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1. Ocular Manifestations in Juvenile Behçet’s Disease: A Registry-Based Analysis from the AIDA Network

Author: Carla Gaggiano, Abdurrahman Tufan, Silvana Guerriero, Gaafar Ragab, Jurgen Sota, Stefano Gentileschi, Stefania Costi, Ibrahim A. Almaghlouth, Andrea Hinojosa-Azaola, Samar Tharwat, Petros P. Sfikakis, Giuseppe Lopalco, Matteo Piga, Giovanni Conti, George Fragoulis, Angela Mauro, Ezgi D. Batu, Seza Ozen, Maria Tarsia, Francesco La Torre, Perla A. Kawakami-Campos, Antonio Vitale, Valeria Caggiano, Riza C. Kardaş, Gian Marco Tosi, Bruno Frediani, Tadej Avčin, José Hernández-Rodríguez, Luca Cantarini, Claudia Fabiani, and the AIDA Network
Subjects: Autoinflammatory diseases, Behçet’s disease, Paediatric ophthalmology, Rare disease registries, Retinal vasculitis, Uveitis, Ophthalmology, RE1-994
Abstract: Abstract Introduction This study aims to characterize ocular manifestations of juvenile Behçet’s disease (jBD). Methods This was a registry-based observational prospective study. All subjects with jBD from the Autoinflammatory Diseases Alliance (AIDA) Network BD Registry showing ocular manifestations before 18 years were enrolled. Results We included 27 of 1000 subjects enrolled in the registry (66.7% male patients, 45 affected eyes). The median (interquartile range [IQR]) age at ocular involvement was 14.2 (4.7) years. Uveitis affected 91.1% of eyes (anterior 11.1%, posterior 40.0%, panuveitis 40.0%), retinal vasculitis 37.8% and other manifestations 19.8%. Later onset (p = 0.01) and male predominance (p = 0.04) characterized posterior involvement. Ocular complications occurred in 51.1% of eyes. Patients with complications had earlier onset (p
Published: 2024
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2. OP-095 Predictive markers in cord blood for prematurity-associated morbidities

Author: Seza Ozen, Gozdem Kayki, Sule Yigit, and Erdal Sag
Subjects: Pediatrics, RJ1-570
Published: 2024
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3. The Potential Role of Cell-Death Mechanisms in the Pathogenesis of Familial Mediterranean Fever Attacks: Granzyme A and Beyond

Author: Ece Yaglikara, Oguz Boluk, Yagmur Bayindir, Yelda Bilginer, Medine Aysin Tasar, Seza Ozen, and Erdal Sag
Subjects: familial mediterranean fever, granzyme, pyroptosis, Medicine (General), R5-920
Abstract: Background: FMF is the most common autoinflammatory disease. The activation of the pyrin inflammasome is the mainstay of the pathogenesis, which might lead to a specific cell-death mechanism, pyroptosis. Pyroptosis is a programmed inflammatory cell death mediated by gasdermin proteins, featuring cell swelling, membrane rupture, and release of inflammatory contents Aim: In this study we aimed to analyze the cell-death mechanisms in the pathogenesis of FMF attacks. Methods: Twenty-five FMF patients were included, and PFAPA patients (n = 10) and healthy controls (HC, n = 10) served as controls. We collected plasma samples from FMF and PFAPA patients during the attack and the attack-free period. We measured the soluble plasma levels of sFas, sFasL, granzyme A, granzyme B, perforin, granulysin, IL-2, IL-4, IL-10, IL-6, IL-17A, TNF-α, and IFN-γ by commercial pre-defined cytometric bead array kits. Results: There was no significant difference between groups in terms of sex and age between FMF patients and HCs, but PFAPA patients were younger than other groups due to the nature of the disease. We then analyzed the components of apoptosis and pyroptosis. The levels of sFasL (p = 0.035) and granzyme A (p = 0.038) in FMF patients were significantly increased during the attack period and decreased to levels comparable to HCs during the attack-free period. This increase was not seen in the PFAPA patients, with comparable levels with the HC group both during attack period and attack-free period. During the attack period of FMF patients, granzyme B (p = 0.145) and perforin (p = 0.203) levels were also increased; however, the differences were not statistically significant. The levels of sFasL, granzyme A, granzyme B, and perforin were closely correlated with each other during the attack period of FMF patients. Conclusions: Our study on death pathways during an FMF attack, suggests an upregulation in both pyroptosis through the granzyme-gasdermin pathway and apoptosis with the increased FasL and perforin levels, which was different from PFAPA patients. These findings might shed light on the reason for the nature of self-limited attacks, but further studies are needed to prove this hypothesis.
Published: 2024
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4. Risk for cancer development in familial Mediterranean fever and associated predisposing factors: an ambidirectional cohort study from the international AIDA Network registries

Author: Antonio Vitale, Valeria Caggiano, Abdurrahman Tufan, Gaafar Ragab, Ezgi Deniz Batu, Piero Portincasa, Emma Aragona, Jurgen Sota, Giovanni Conti, Amato De Paulis, Donato Rigante, Alma Nunzia Olivieri, Ali Şahin, Francesco La Torre, Giuseppe Lopalco, Marco Cattalini, Maria Cristina Maggio, Antonella Insalaco, Petros P. Sfikakis, Elena Verrecchia, Derya Yildirim, Hamit Kucuk, Riza Can Kardas, Ahmed Hatem Laymouna, Mahmoud Ghanema, Moustafa Ali Saad, Seher Sener, Hulya Ercan Emreol, Seza Ozen, Nour Jaber, Mohamad Khalil, Agostino Di Ciaula, Carla Gaggiano, Giuseppe Malizia, Andrea Affronti, Serena Patroniti, Meri Romeo, Jessica Sbalchiero, Francesca Della Casa, Ilaria Mormile, Sara Silvaroli, Maria Francesca Gicchino, Neşe Çabuk Çelik, Maria Tarsia, Anastasios Karamanakos, José Hernández-Rodríguez, Paola Parronchi, Daniela Opris-Belinski, Patrizia Barone, Andreas Recke, Stefania Costi, Paolo Sfriso, Henrique A. Mayrink Giardini, Stefano Gentileschi, Ewa Wiesik-Szewczyk, Ibrahim Vasi, Roberta Loconte, Karina Jahnz-Różyk, Eduardo Martín-Nares, Jiram Torres-Ruiz, Alberto Cauli, Alessandro Conforti, Giacomo Emmi, Francesca Li Gobbi, Giovanni Rosario Biasi, Riccardo Terribili, Piero Ruscitti, Emanuela Del Giudice, Samar Tharwat, Antonio Luca Brucato, Benson Ogunjimi, Andrea Hinojosa-Azaola, Alberto Balistreri, Claudia Fabiani, Bruno Frediani, and Luca Cantarini
Subjects: autoinflammatory diseases, FMF, tumor, neoplasm, rare diseases, treatment, Immunologic diseases. Allergy, RC581-607
Abstract: ObjectiveInflammation has been associated with an increased risk for cancer development, while innate immune system activation could counteract the risk for malignancies. Familial Mediterranean fever (FMF) is a severe systemic inflammatory condition and also represents the archetype of innate immunity deregulation. Therefore, the aim of this study is to investigate the risk for cancer development in FMF.MethodsThe risk ratio (RR) for malignancies was separately compared between FMF patients and fibromyalgia subjects, Still’s disease patients and Behçet’s disease patients. Clinical variables associated with cancer development in FMF patients were searched through binary logistic regression.Results580 FMF patients and 102 fibromyalgia subjects, 1012 Behçet’s disease patients and 497 Still’s disease patients were enrolled. The RR for the occurrence of malignant neoplasms was 0.26 (95% Confidence Interval [CI.] 0.10-0.73, p=0.006) in patients with FMF compared to fibromyalgia subjects; the RR for the occurrence of malignant cancer was 0.51 (95% CI. 0.23-1.16, p=0.10) in FMF compared to Still’s disease and 0.60 (95% CI. 0.29-1.28, p=0.18) in FMF compared to Behçet’s disease. At logistic regression, the risk of occurrence of malignant neoplasms in FMF patients was associated with the age at disease onset (β1 = 0.039, 95% CI. 0.001-0.071, p=0.02), the age at the diagnosis (β1 = 0.048, 95% CI. 0.039-0.085, p=0.006), the age at the enrolment (β1 = 0.05, 95% CI. 0.007-0.068, p=0.01), the number of attacks per year (β1 = 0.011, 95% CI. 0.001- 0.019, p=0.008), the use of biotechnological agents (β1 = 1.77, 95% CI. 0.43-3.19, p=0.009), the use of anti-IL-1 agents (β1 = 2.089, 95% CI. 0.7-3.5, p=0.002).ConclusionsThe risk for cancer is reduced in Caucasic FMF patients; however, when malignant neoplasms occur, this is more frequent in FMF cases suffering from a severe disease phenotype and presenting a colchicine-resistant disease.
Published: 2024
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5. 5,6-dimethylxanthenone-4-acetic acid (DMXAA), a partial STING agonist, competes for human STING activation

Author: Burcu Temizoz, Takayuki Shibahara, Kou Hioki, Tomoya Hayashi, Kouji Kobiyama, Michelle Sue Jann Lee, Naz Surucu, Erdal Sag, Atsushi Kumanogoh, Masahiro Yamamoto, Mayda Gursel, Seza Ozen, Etsushi Kuroda, Cevayir Coban, and Ken J. Ishii
Subjects: STING, partial agonist, DMXAA derivative, SAVI, HHMX, Immunologic diseases. Allergy, RC581-607
Abstract: 5,6-dimethylxanthenone-4-acetic acid (DMXAA) is a mouse-selective stimulator of interferon gene (STING) agonist exerting STING-dependent anti-tumor activity. Although DMXAA cannot fully activate human STING, DMXAA reached phase III in lung cancer clinical trials. How DMXAA is effective against human lung cancer is completely unknown. Here, we show that DMXAA is a partial STING agonist interfering with agonistic STING activation, which may explain its partial anti-tumor effect observed in humans, as STING was reported to be pro-tumorigenic for lung cancer cells with low antigenicity. Furthermore, we developed a DMXAA derivative—3-hydroxy-5-(4-hydroxybenzyl)-4-methyl-9H-xanthen-9-one (HHMX)—that can potently antagonize STING-mediated immune responses both in humans and mice. Notably, HHMX suppressed aberrant responses induced by STING gain-of-function mutations causing STING-associated vasculopathy with onset in infancy (SAVI) in in vitro experiments. Furthermore, HHMX treatment suppressed aberrant STING pathway activity in peripheral blood mononuclear cells from SAVI patients. Lastly, HHMX showed a potent therapeutic effect in SAVI mouse model by mitigating disease progression. Thus, HHMX offers therapeutic potential for STING-associated autoinflammatory diseases.
Published: 2024
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6. The pyrin inflammasome, a leading actor in pediatric autoinflammatory diseases

Author: Saverio La Bella, Armando Di Ludovico, Giulia Di Donato, Ozge Basaran, Seza Ozen, Marco Gattorno, Francesco Chiarelli, and Luciana Breda
Subjects: pyrin, inflammasome, familial Mediterranean fever, FMF, autoinflammatory diseases, IL-1, Immunologic diseases. Allergy, RC581-607
Abstract: The activation of the pyrin inflammasome represents a highly intriguing mechanism employed by the innate immune system to effectively counteract pathogenic agents. Despite its key role in innate immunity, pyrin has also garnered significant attention due to its association with a range of autoinflammatory diseases (AIDs) including familial Mediterranean fever caused by disruption of the MEFV gene, or in other genes involved in its complex regulation mechanisms. Pyrin activation is strictly dependent on homeostasis-altering molecular processes, mostly consisting of the disruption of the small Ras Homolog Family Member A (RhoA) GTPases by pathogen toxins. The downstream pathways are regulated by the phosphorylation of specific pyrin residues by the kinases PKN1/2 and the binding of the chaperone 14-3-3. Furthermore, a key role in pyrin activation is played by the cytoskeleton and gasdermin D, which is responsible for membrane pores in the context of pyroptosis. In addition, recent evidence has highlighted the role of steroid hormone catabolites and alarmins S100A8/A9 and S100A12 in pyrin-dependent inflammation. The aim of this article is to offer a comprehensive overview of the most recent evidence on the pyrin inflammasome and its molecular pathways to better understand the pathogenesis behind the significant group of pyrin-related AIDs.
Published: 2024
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7. Galantamine attenuates autoinflammation in a mouse model of familial mediterranean fever

Author: Ibrahim T. Mughrabi, Mahendar Ochani, Mirza Tanovic, Ping Wang, Betty Diamond, Barbara Sherry, Valentin A. Pavlov, Seza Ozen, Daniel L. Kastner, Jae Jin Chae, and Yousef Al-Abed
Subjects: Autoinflammation, Inflammatory reflex, Galantamine, Vagus nerve, FMF, Splenomegaly, Therapeutics. Pharmacology, RM1-950, Biochemistry, QD415-436
Abstract: Abstract Background Autoinflammatory diseases, a diverse group of inherited conditions characterized by excessive innate immune activation, have limited therapeutic options. Neuroimmune circuits of the inflammatory reflex control innate immune overactivation and can be stimulated to treat disease using the acetylcholinesterase inhibitor galantamine. Methods We tested the efficacy of galantamine in a rodent model of the prototypical autoinflammatory disease familial Mediterranean fever (FMF). Multiple chronic disease markers were evaluated in animals that received long-term galantamine treatment compared to vehicle. Results Long-term treatment with galantamine attenuated the associated splenomegaly and anemia which are characteristic features of this disease. Further, treatment reduced inflammatory cell infiltration into affected organs and a subcutaneous air pouch. Conclusions These findings suggest that galantamine attenuates chronic inflammation in this mouse model of FMF. Further research is warranted to explore the therapeutic potential of galantamine in FMF and other autoinflammatory diseases.
Published: 2022
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8. A patient-driven registry on Behçet’s disease: the AIDA for patients pilot project

Author: Carla Gaggiano, Alessandra Del Bianco, Jurgen Sota, Stefano Gentileschi, Piero Ruscitti, Roberto Giacomelli, Matteo Piga, Francesca Crisafulli, Sara Monti, Giacomo Emmi, Amato De Paulis, Antonio Vitale, Maria Tarsia, Valeria Caggiano, Rossana Nuzzolese, Veronica Parretti, Claudia Fabiani, Giuseppe Lopalco, Armin Maier, Marco Cattalini, Donato Rigante, Marcello Govoni, Francesca Li Gobbi, Serena Guiducci, Paola Parronchi, Achille Marino, Francesco Ciccia, Maria Cristina Maggio, Emma Aragona, Elena Bartoloni, Annamaria Iagnocco, Ombretta Viapiana, Gian Domenico Sebastiani, Silvana Guerriero, Antonella Insalaco, Emanuela Del Giudice, Giovanni Conti, Patrizia Barone, Alma Nunzia Olivieri, Antonio Brucato, Francesco Carubbi, Paola Triggianese, Angela Mauro, Gian Marco Tosi, Alex Fonollosa, Henrique Ayres Mayrink Giardini, Gaafar Ragab, Samar Tharwat, José Hernández-Rodríguez, Petros P. Sfikakis, Katerina Laskari, Anastasios Karamanakos, Gerard Espinosa, Farhad Shahram, Haner Direskeneli, Andrea Hinojosa-Azaola, Daniela Opris-Belinski, Ibrahim A. AlMaghlouth, Gülen Hatemi, Mehmet Akif Eksin, Fatos Önen, Ewa Więsik-Szewczyk, Nurullah Akkoç, Abdurrahman Tufan, Ali Şahin, Şükran Erten, Seza Ozen, Ezgi Deniz Batu, Bruno Frediani, Alberto Balistreri, and Luca Cantarini
Subjects: Behçet’s disease, patient-driven registries, rare diseases, autoinflammatory diseases, patient involvement, patient-reported outcomes, Medicine (General), R5-920
Abstract: IntroductionThis paper describes the creation and preliminary results of a patient-driven registry for the collection of patient-reported outcomes (PROs) and patient-reported experiences (PREs) in Behçet’s disease (BD).MethodsThe project was coordinated by the University of Siena and the Italian patient advocacy organization SIMBA (Associazione Italiana Sindrome e Malattia di Behçet), in the context of the AIDA (AutoInflammatory Diseases Alliance) Network programme. Quality of life, fatigue, socioeconomic impact of the disease and therapeutic adherence were selected as core domains to include in the registry.ResultsRespondents were reached via SIMBA communication channels in 167 cases (83.5%) and the AIDA Network affiliated clinical centers in 33 cases (16.5%). The median value of the Behçet’s Disease Quality of Life (BDQoL) score was 14 (IQR 11, range 0–30), indicating a medium quality of life, and the median Global Fatigue Index (GFI) was 38.7 (IQR 10.9, range 1–50), expressing a significant level of fatigue. The mean Beliefs about Medicines Questionnaire (BMQ) necessity-concern differential was 0.9 ± 1.1 (range – 1.8–4), showing that the registry participants prioritized necessity belief over concerns to a limited extent. As for the socioeconomic impact of BD, in 104 out of 187 cases (55.6%), patients had to pay from their own pocket for medical exams required to reach the diagnosis. The low family socioeconomic status (p
Published: 2023
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9. Editorial: DADA2 and other monogenic vasculitides

Author: Pui Y. Lee, Ezgi D. Batu, and Seza Ozen
Subjects: deficiency of adenosine deaminase 2 (DADA2), STING-associated vasculopathy of infancy (SAVI), monogenic vasculitis, autoinflammatory diseases, ADA2, Immunologic diseases. Allergy, RC581-607
Published: 2022
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10. The Effect of Biologics in the Treatment of Multisystem Inflammatory Syndrome in Children (Mis-C): A Single-Center Propensity-Score-Matched Study

Author: Ozge Basaran, Ezgi Deniz Batu, Ummusen Kaya Akca, Erdal Atalay, Muserref Kasap Cuceoglu, Seher Sener, Zeynep Balık, Erdem Karabulut, Selman Kesici, Tevfik Karagoz, Yasemin Ozsurekci, Yelda Bilginer, Ali Bulent Cengiz, and Seza Ozen
Subjects: multisystem inflammatory syndrome in children (MIS-C), children, comparison, management, biologic, outcomes, Pediatrics, RJ1-570
Abstract: Multisystem inflammatory syndrome in children (MIS-C) is a serious condition characterized by excessive inflammation that can arise as a complication of SARS-CoV-2 infection in children. While our understanding of COVID-19 and MIS-C has been advancing, there is still uncertainty regarding the optimal treatment for MIS-C. In this study, we aimed to compare the clinical and laboratory outcomes of MIS-C patients treated with IVIG plus corticosteroids (CS) to those treated with IVIG plus CS and an additional biologic drug. We used the propensity score (PS)-matching method to assess the relationships between initial treatment and outcomes. The primary outcome was a left ventricular ejection fraction of less than 55% on day 2 or beyond and/or the requirement of inotrope support on day 2 or beyond. We included 79 MIS-C patients (median age 8.51 years, 33 boys) followed in our center. Among them, 50 children (25 in each group) were allocated to the PS-matched cohort sample. The primary outcome was observed in none of the patients in the IVIG and CS group, while it occurred in eight patients in the IVIG plus CS and biologic group (p = 0.04). MIS-C is a disorder that may progress rapidly and calls for extensive care. For definitive recommendations, further studies, including randomized control trials, are required.
Published: 2023
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11. Frequency of juvenile idiopathic arthritis and associated uveitis in pediatric rheumatology clinics in Turkey: A retrospective study, JUPITER

Author: Sezgin Sahin, Ceyhun Acari, Hafize Emine Sonmez, Fatma Zehra Kilic, Erdal Sag, Hatice Adiguzel Dundar, Amra Adrovic, Selcan Demir, Kenan Barut, Yelda Bilginer, Betul Sozeri, Erbil Unsal, Seza Ozen, and Ozgur Kasapcopur
Subjects: Juvenile idiopathic arthritis, Frequency, Uveitis, HLA-B27, ANA, Turkey, Pediatrics, RJ1-570, Diseases of the musculoskeletal system, RC925-935
Abstract: Abstract Background Juvenile idiopathic arthritis (JIA), is the most common pediatric rheumatologic disorder with unknown etiology. Currently, no population-based data are available regarding the distribution of categories and frequency of uveitis in patients with JIA in Turkey. The purpose of this study was to evaluate the frequency of JIA-associated uveitis (JIAU) and distribution of JIA categories in a Turkish JIA cohort. Methods This was a retrospective study of 500 randomized patients in four pediatric rheumatology clinics in Turkey. Results Oligoarticular JIA (oJIA) was the most common JIA disease category in this study cohort (38.8%). The frequencies of the other categories were as follows: enthesitis-related arthritis (ERA), 23.2%; rheumatoid factor (RF)–negative polyarthritis, 15.6%; systemic arthritis, 12.2%; juvenile psoriatic arthritis, 5.2%; undifferentiated arthritis, 2.8%; and RF-positive polyarthritis, 2.2%. JIA-associated uveitis was observed in 6.8% of patients at a mean (Standard Deviation, SD) age of 9.1 (3.8) years over a mean JIA disease duration of 4 (1.9) years. Uveitis developed after joint disease, with a mean (SD) duration of 1.8 (1.9) years. Patients with oJIA had the highest rate of uveitis (12.9%) followed by patients with ERA (5.2%) and polyarticular RF-negative disease (3.8%). Compared with persistent oJIA, the extended oJIA category had a > 3-fold higher risk of uveitis (11.3% vs 27.7%; odds ratio, 3.38 [95% Confidence Interval, 1.09–10.4]). The most frequently administered drug after development of uveitis was tumor necrosis factor–alpha inhibitors (38.2%). Five patients (14.7%) had uveitis-related complications that required surgical intervention. Conclusions Turkish pediatric patients with JIA experience a lower frequency of oJIA and higher frequency of ERA than their white European counterparts; the occurrence of uveitis is also somewhat lower than expected. Geographic and ethnic factors may affect these differences and need further investigation.
Published: 2021
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12. Plasma Proteomic Analysis Reveals the Potential Role of Lectin and Alternative Complement Pathways in IgA Vasculitis Pathogenesis

Author: Selcan Demir, Idil Yet, Melis Sardan Ekiz, Erdal Sag, Yelda Bilginer, Omur Celikbicak, Incilay Lay, and Seza Ozen
Subjects: Henoch–Schönlein purpura, IgA vasculitis, pathogenesis, proteomic, lectin complement pathway, alternative complement pathway, Medicine (General), R5-920
Abstract: Background: IgA vasculitis (IgAV) is the most common form of childhood vasculitis. A better understanding of its pathophysiology is required to identify new potential biomarkers and treatment targets. Objective: to assess the underlying molecular mechanisms in the pathogenesis of IgAV using an untargeted proteomics approach. Methods: Thirty-seven IgAV patients and five healthy controls were enrolled. Plasma samples were collected on the day of diagnosis before any treatment was initiated. We used nano-liquid chromatography–tandem mass spectrometry (nLC–MS/MS) to investigate the alterations in plasma proteomic profiles. For the bioinformatics analyses, databases including Uniprot, PANTHER, KEGG, Reactome, Cytoscape, and IntAct were used. Results: Among the 418 proteins identified in the nLC–MS/MS analysis, 20 had significantly different expressions in IgAV patients. Among them, 15 were upregulated and 5 were downregulated. According to the KEGG pathway and function classification analysis, complement and coagulation cascades were the most enriched pathways. GO analyses showed that the differentially expressed proteins were mainly involved in defense/immunity proteins and the metabolite interconversion enzyme family. We also investigated molecular interactions in the identified 20 proteins of IgAV patients. We extracted 493 interactions from the IntAct database for the 20 proteins and used Cytoscape for the network analyses. Conclusion: Our results clearly suggest the role of the lectin and alternate complement pathways in IgAV. The proteins defined in the pathways of cell adhesion may serve as biomarkers. Further functional studies may lead the way to better understanding of the disease and new therapeutic options for IgAV treatment.
Published: 2023
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13. Familial Mediterranean fever-related miR-197-3p targets IL1R1 gene and modulates inflammation in monocytes and synovial fibroblasts

Author: Yeliz Z. Akkaya-Ulum, Tayfun Hilmi Akbaba, Zeynep Tavukcuoglu, Jae Jin Chae, Engin Yilmaz, Seza Ozen, and Banu Balci-Peynircioglu
Subjects: Medicine, Science
Abstract: Abstract Familial Mediterranean fever (FMF); is an autosomal recessively inherited autoinflammatory disease caused by the mutations in the Mediterranean Fever (MEFV) gene. Recent studies have shown that epigenetic control mechanisms, particularly non-coding RNAs, may play a role in the pathogenesis of autoinflammation. microRNAs (miRNAs) are small non-coding RNAs that play critical roles in regulating host gene expression at the post-transcriptional level. The phenotypic heterogeneity of FMF disease suggests that FMF may not be a monogenic disease, suggesting that epigenetic factors may affect phenotypic presentation. Here we examined the potential anti-inflammatory effect of miR-197-3p, which is a differentially expressed miRNA in FMF patients, by using inflammation related functional assays. We monitored gene expression levels of important cytokines, as well as performed functional studies on IL-1β secretion, caspase-1 activation, apoptosis assay, and cell migration assay. These experiments were used to evaluate the different stages of inflammation following pre-miR-197 transfection. Anti-miR-197 transfections were performed to test the opposite effect. 3′UTR luciferase activity assay was used for target gene studies. Our results obtained by inflammation-related functional assays demonstrated an anti-inflammatory effect of miR-197-3p in different cell types (synovial fibroblasts, monocytes, macrophages). 3′UTR luciferase activity assay showed that miR-197-3p directly binds to the interleukin-1beta (IL-1β) receptor, type I (IL1R1) gene, which is one of the key molecules of the inflammatory pathways. This study may contribute to understand the role of miR-197-3p in autoinflammation process. Defining the critical miRNAs may guide the medical community in a more personalized medicine in autoinflammatory diseases.
Published: 2021
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14. Next Generation Sequencing Based Multiplex Long-Range PCR for Routine Genotyping of Autoinflammatory Disorders

Author: Ferhat Guzel, Micol Romano, Erdi Keles, David Piskin, Seza Ozen, Hakan Poyrazoglu, Ozgur Kasapcopur, and Erkan Demirkaya
Subjects: autoinflammation, next generation sequencing - NGS, long range PCR, multiplex, genetic diagnosis, Immunologic diseases. Allergy, RC581-607
Abstract: BackgroundDuring the last decade, remarkable progress with massive sequencing has been made in the identification of disease-associated genes for AIDs using next-generation sequencing technologies (NGS). An international group of experts described the ideal genetic screening method which should give information about SNVs, InDels, Copy Number Variations (CNVs), GC rich regions. We aimed to develop and validate a molecular diagnostic method in conjunction with the NGS platform as an inexpensive, extended and uniform coverage and fast screening tool which consists of nine genes known to be associated with various AIDs.MethodsFor the validation of basic and expanded panels, long-range multiplex models were setup on healthy samples without any known variations for MEFV, MVK, TNFRSF1A, NLRP3, PSTPIP1, IL1RN, NOD2, NLRP12 and LPIN2 genes. Patients with AIDs who had already known causative variants in these genes were sequenced for analytical validation. As a last step, multiplex models were validated on patients with pre-diagnosis of AIDs. All sequencing steps were performed on the Illumina NGS platform. Validity steps included the selection of related candidate genes, primer design, development of screening methods, validation and verification of the product. The GDPE (Gentera) bioinformatics pipeline was followed.ResultsAlthough there was no nonsynonymous variation in 21 healthy samples, 107 synonymous variant alleles and some intronic and UTR variants were detected. In 10 patients who underwent analytical validation, besides the 11 known nonsynonymous variant alleles, 11 additional nonsynonymous variant alleles and a total of 81 synonymous variants were found. In the clinical validation phase, 46 patients sequenced with multiplex panels, genetic and clinical findings were combined for diagnosis.ConclusionIn this study, we describe the development and validation of an NGS-based multiplex array enabling the “long-amplicon” approach for targeted sequencing of nine genes associated with common AIDs. This screening tool is less expensive and more comprehensive compared to other methods and more informative than traditional sequencing. The proposed panel offers advantages to WES or hybridization probe equivalents in terms of CNV analysis, high sensitivity and uniformity, GC-rich region sequencing, InDel detection and intron covering.
Published: 2021
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15. Pleural effusion as an atypical presentation of Kawasaki disease: a case report and review of the literature

Author: Elif Arslanoglu Aydin, Selcan Demir, Orkun Aydin, Yelda Bilginer, and Seza Ozen
Subjects: Kawasaki disease, Pleural effusion, Pulmonary involvement, Medicine
Abstract: Abstract Background Kawasaki disease is an acute, febrile vasculitis of childhood that affects medium-sized arteries, predominantly the coronary arteries. It is a multisystem disease; therefore, it may present with non-cardiac findings of disease. Case presentation Here, we report the case of 7-year-old Turkish girl who presented with symptoms of fever, chest pain, and vomiting, who was diagnosed as having Kawasaki disease. We also present a literature review on pulmonary involvement due to Kawasaki disease. Conclusion Pediatricians should consider the diagnosis of Kawasaki disease in the presence of pneumonia and pleural effusion that is nonresponsive to antibiotic therapy. This will prevent delay in diagnosis and the adverse consequences of the disease.
Published: 2019
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16. Different histological classifications for Henoch-Schönlein purpura nephritis: which one should be used?

Author: Marija Jelusic, Mario Sestan, Rolando Cimaz, and Seza Ozen
Subjects: Henoch-Schönlein purpura, IgA Vasculitis, Glomerulonephritis, Biopsy, Histology, Children, Pediatrics, RJ1-570, Diseases of the musculoskeletal system, RC925-935
Abstract: Abstract Background Nephritis is the most important chronic complication of IgA Vasculitis (IgAV)/Henoch-Schönlein purpura (IGAV/HSP) and thus the main prognostic factor of this most common childhood vasculitis. Since the prognosis and treatment selection depends on the mode of interpretation of biopsy material, in this manuscript we have presented several issues related to the uneven application of different histological classifications in IgAV/Henoch-Schönlein purpura nephritis (HSPN). The nephritis of IgAV/IGAV/HSP will be abbreviated as HSPN for this paper. Main body In clinical practice we use different histological classifications for HSPN. It is not known which of these classifications best correlates with severity of renal disease and renal outcome in IgAV/IGAV/HSP. One of the major problem with existing histological classifications is that there is no consensus on the implementation of biopsy in the treatment of HSPN. There is a histologic classification system conventionally used in HSPN, of the International Study of Kidney Disease in Children (ISKDC). On the other hand there is the new classification system suggested for IgA nephropathy, the Oxford classification. The latter has been validated only in IgA nephropathy. There are also two further histologic classifications of Haas and Koskela that have been developed. Current treatment strategies in HSPN are not standardised nor predominantly based on histological classification. Conclusion One of the possible solutions to problems related to the application of different histological classification in HSPN is the implementation of multicenter multinational prospective studies with joint collaboration between pediatric rheumatologists, nephrologists and nephropathologists to correlate the clinical features and outcome with the classification systems as well among the classifications. This classification should be the basis for the construction of guidelines for the treatment of patients with HSPN.
Published: 2019
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17. Towards a new set of classification criteria for PFAPA syndrome

Author: Federica Vanoni, Roberta Caorsi, Sandra Aeby, Marie Cochard, Jordi Antón, Stefan Berg, Riva Brik, Pavla Dolezalova, Isabelle Koné-Paut, Benedicte Neven, Seza Ozen, Pascal Pillet, Silvia Stojanov, Carine Wouters, Marco Gattorno, and Michaël Hofer
Subjects: Autoinflammatory diseases, PFAPA, Pediatrics, RJ1-570, Diseases of the musculoskeletal system, RC925-935
Abstract: Abstract Background Diagnosis of Periodic Fever, Aphthous stomatitis, Pharyngitis and Cervical Adenitis (PFAPA) syndrome is currently based on the modified Marshall’s criteria, but no validated evidence based classification criteria for PFAPA has been established so far. Methods A multistep process, based on the Delphi and Nominal Group Technique was conducted. After 2 rounds of e-mail Delphi survey involving 21 experts in autoinflammation we obtained a list of variables that were discussed in an International Consensus Conference. Variables reaching the 80% of consensus between participants were included in the new classification criteria. In the second phase the new classification criteria and the modified Marshall’s criteria were applied on a cohort of 80 pediatric PFAPA patients to compare their performance. Results The Delphi Survey was sent to 22 participants, 21 accepted to participate. Thirty variables were obtained from the survey and have been discussed at the Consensus Conference. Through the Nominal Group Technique we obtained a new set of classification criteria. These criteria were more restrictive in respect to the modified Marshall’s criteria when applied on our cohort of patients. Conclusion Our work led us to identify a new set of classification criteria for PFAPA syndrome, but they resulted to be too restrictive to be applied in daily clinical practice for the diagnosis of PFAPA.
Published: 2018
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18. A web-based collection of genotype-phenotype associations in hereditary recurrent fevers from the Eurofever registry

Author: Riccardo Papa, Matteo Doglio, Helen J. Lachmann, Seza Ozen, Joost Frenkel, Anna Simon, Bénédicte Neven, Jasmin Kuemmerle-Deschner, Huri Ozgodan, Roberta Caorsi, Silvia Federici, Martina Finetti, Maria Trachana, Jurgen Brunner, Liliana Bezrodnik, Mari Carmen Pinedo Gago, Maria Cristina Maggio, Elena Tsitsami, Wafaa Al Suwairi, Graciela Espada, Anna Shcherbina, Guzide Aksu, Nicolino Ruperto, Alberto Martini, Isabella Ceccherini, Marco Gattorno, and for the Paediatric Rheumatology International Trials Organisation (PRINTO) and the Eurofever Project
Subjects: Hereditary recurrent fevers, FMF, Caps, Traps, MKD, Infevers, Medicine
Abstract: Abstract Background Hereditary recurrent fevers (HRF) are a group of rare monogenic diseases leading to recurrent inflammatory flares. A large number of variants has been described for the four genes associated with the best known HRF, namely MEFV, NLRP3, MVK, TNFRSF1A. The Infevers database ( http://fmf.igh.cnrs.fr/ISSAID/infevers ) is a large international registry collecting variants reported in these genes. However, no genotype-phenotype associations are provided, but only the clinical phenotype of the first patient(s) described for each mutation. The aim of this study is to develop a registry of genotype-phenotype associations observed in patients with HRF, enrolled and validated in the Eurofever registry. Results Genotype-phenotype associations observed in all the patients with HRF enrolled in the Eurofever registry were retrospectively analyzed. For autosomal dominant diseases (CAPS and TRAPS), all mutations were individually analyzed. For autosomal recessive diseases (FMF and MKD), homozygous and heterozygous combinations were described. Mean age of onset, disease course (recurrent or chronic), mean duration of fever episodes, clinical manifestations associated with fever episodes, atypical manifestations, complications and response to treatment were also studied. Data observed in 751 patients (346 FMF, 133 CAPS, 114 MKD, 158 TRAPS) included in the Eurofever registry and validated by experts were summarized in Tables. A total of 149 variants were described: 46 TNFRSF1A and 27 NLRP3 variants, as well as various combinations of 48 MVK and 28 MEFV variants were available. Conclusions We provide a potentially useful tool for physicians dealing with HRF, namely a registry of genotype-phenotype associations for patients enrolled in the Eurofever registry. This tool is complementary to the Infevers database and will be available at the Eurofever and Infevers websites.
Published: 2017
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19. Proceedings of the 23rd Paediatric Rheumatology European Society Congress: part one

Author: F. De Benedetti, J. Anton, M. Gattorno, H. Lachmann, I. Kone-Paut, S. Ozen, J. Frenkel, A. Simon, A. Zeft, E. Ben-Chetrit, H. M. Hoffman, Y. Joubert, K. Lheritier, A. Speziale, J. Guido, Roberta Caorsi, Federica Penco, Alice Grossi, Antonella Insalaco, Maria Alessio, Giovanni Conti, Federico Marchetti, Alberto Tommasini, Silvana Martino, Romina Gallizzi, Annalisa Salis, Francesca Schena, Francesco Caroli, Alberto Martini, Gianluca Damonte, Isabella Ceccherini, Marco Gattorno, Marie-Louise Frémond, Carolina Uggenti, Lien Van Eyck, Isabelle Melki, Darragh Duffy, Vincent Bondet, Yoann Rose, Bénédicte Neven, Yanick Crow, Mathieu P. Rodero, Yvonne Kusche, Johannes Roth, Katarzyna Barczyk-Kahlert, Giovanna Ferrara, Annalisa Chiocchetti, Silvio Polizzi, Josef Vuch, Diego Vozzi, Anna Mondino, Erica Valencic, Serena Pastore, Andrea Taddio, Flavio Faletra, Umberto Dianzani, Ugo Ramenghi, Qing Zhou, Xiaomin Yu, Erkan Demirkaya, Natalie Deuitch, Deborah Stone, Wanxia Tsai, Amanda Ombrello, Tina Romeo, Elaine F. Remmers, JaeJin Chae, Massimo Gadina, Steven Welch, Seza Ozen, Rezan Topaloglu, Mario Abinun, Daniel L. Kastner, Ivona Aksentijevich, Donatella Vairo, Rosalba Monica Ferraro, Giulia Zani, Jessica Galli, Micaela De Simone, Marco Cattalini, Elisa Fazzi, Silvia Giliani, Ebun Omoyinmi, Ariane Standing, Dorota Rowczenio, Annette Keylock, Sonia Melo Gomes, Fiona Price-Kuehne, Sira Nanthapisal, Claire Murphy, Thomas Cullup, Lucy Jenkins, Kimberly Gilmour, Despina Eleftheriou, Helen Lachmann, Philip Hawkins, Nigel Klein, Paul Brogan, Anita Dhanrajani, Mercedes Chan, Stephanie Pau, Janet Ellsworth, Jaime Guzman, Florence A. Aeschlimann, Marinka Twilt, Simon W. Eng, Shehla Sheikh, Ronald M. Laxer, Diane Hebert, Damien Noone, Christian Pagnoux, Susanne M. Benseler, Rae S. Yeung, Christoph Kessel, Katrin Lippitz, Toni Weinhage, Claas Hinze, Helmut Wittkowski, Dirk Holzinger, Niklas Grün, Dirk Föll, Pieter Van Dijkhuizen, Federica Del Chierico, Clara Malattia, Alessandra Russo, Denise Pires Marafon, Nienke M. ter Haar, Silvia Magni-Manzoni, Sebastiaan J. Vastert, Bruno Dallapiccola, Berent Prakken, Fabrizio De Benedetti, Lorenza Putignani, Berna Eren Fidanci, Kenan Barut, Serap Arıcı, Dogan Simsek, Mustafa Cakan, Ezgi D. Batu, Sezgin Şahin, Ayşenur Kısaarslan, Ebru Yilmaz, Özge Basaran, Ferhat Demir, Kubra Ozturk, Zübeyde Gunduz, Betül Sozeri, Balahan Makay, Nuray Ayaz, Onder Yavascan, Ozlem Aydog, Yelda Bilginer, Zelal Ekinci, Dilek Yıldız, Faysal Gök, Muferret Erguven, Erbil Unsal, Ozgur Kasapcopur, For the FMF Arthritis Vasculitis and Orphan Disease Research in Paediatric Rheumatology (FAVOR), Hafize E. Sönmez, Betül Sözeri, Yonatan Butbul, Seza Özen, Claudia Bracaglia, Giusi Prencipe, Manuela Pardeo, Geneviève Lapeyre, Emiliano Marasco, Walter Ferlin, Robert Nelson, Cristina de Min, N. Ruperto, H. I. Brunner, P. Quartier, T. Constantin, E. Alexeeva, K. Marzan, N. Wulffraat, R. Schneider, S. Padeh, V. Chasnyk, C. Wouters, J. B. Kuemmerle-Deschner, T. Kallinich, B. Lauwerys, E. Haddad, E. Nasonov, M. Trachana, O. Vougiouka, K. Leon, E. Vritzali, A. Martini, D. Lovell, PRINTO/PRCSG, Stefano Volpi, Claudia Pastorino, Francesca Kalli, Alessia Omenetti, Sabrina Chiesa, Arinna Bertoni, Paolo Picco, Gilberto Filaci, Elisabetta Traggiai, Marie-Louise Fremond, Naoki Kitabayashi, Olivero Sacco, Isabelle Meyts, Marie-Anne Morren, Carine Wouters, Eric Legius, Isabelle Callebaut, Christine Bodemer, Frederic Rieux-Laucat, Mathieu Rodero, Nadia Jeremiah, Alexandre Belot, Eric Jeziorski, Didier Bessis, Guilhem Cros, Gillian I. Rice, Bruno Charbit, Anne Hulin, Nihel Khoudour, Consuelo Modesto Caballero, Monique Fabre, Laureline Berteloot, Muriel Le Bourgeois, Philippe Reix, Thierry Walzer, Despina Moshous, Stéphane Blanche, Alain Fischer, Brigitte Bader-Meunier, Frédéric Rieux-Laucat, K. Annink, N. ter Haar, S. Al-Mayouf, G. Amaryan, K. Barron, S. Benseler, P. Brogan, L. Cantarini, M. Cattalini, A. Cochino, F. Dedeoglu, A. De Jesus, O. Dellacasa, E. Demirkaya, P. Dolezalova, K. Durrant, G. Fabio, R. Gallizzi, R. Goldbach-Mansky, E. Hachulla, V. Hentgen, T. Herlin, M. Hofer, H. Hoffman, A. Insalaco, A. Jansson, I. Koné-Paut, A. Kozlova, J. Kuemmerle-Deschner, R. Laxer, S. Nielsen, I. Nikishina, A. Ombrello, E. Papadopoulou-Alataki, A. Ravelli, D. Rigante, R. Russo, Y. Uziel, Nienke ter Haar, Jerold Jeyaratnam, Anna Simon, Matteo Doglio, Jordi Anton, Consuelo Modesto, Pierre Quartier, Esther Hoppenreijs, Luca Cantarini, Loredana Lepore, Inmaculada Calvo Penades, Christina Boros, Rita Consolini, Donato Rigante, Ricardo Russo, Jana Pachlopnik Schmid, Thirusha Lane, Nicolino Ruperto, Joost Frenkel, Chiara Passarelli, Elisa Pisaneschi, Virginia Messia, Antonio Novelli, Fabrizio Debenedetti, P. A. Brogan, X. Wei, Martina Finetti, Francesca Orlando, Elisabetta Cortis, Angela Miniaci, Nicola Ruperto, Charlotte Eijkelboom, Pavla Dolezalova, Isabelle Koné-Paut, Marija Jelusic-Drazic, Liliana Bezrodnik, Mari Carmen Pinedo, Valda Stanevicha, Marielle van Gijn, Silvia Federici, Hermann Girschick, Gerd Ganser, Susan Nielsen, Troels Herlin, Sulaiman Mohammed Al-Mayouf, Michael Hofer, Jasmin Kuemmerle-Deschner, Susanne Schalm, Annette Jansson, on behalf of PRINTO and Eurofever registry, Marta Marchi, Chiara Marini, Angelo Ravelli, Alberto Garaventa, Sonia Carta, Enrica Balza, Patrizia Castellani, Caterina Pellecchia, Silvia Borghini, Maria Libera Trotta, Anna Rubartelli, Andrew Henrey, Thomas Loughin, Roberta Berard, Natalie Shiff, Roman Jurencak, Susanne Benseler, Lori Tucker, on behalf of ReACCh-Out Investigators, Charalampia Papadopoulou, Ying Hong, Petra Krol, Yiannis Ioannou, Clarissa Pilkington, Hema Chaplin, Stephania Simou, Marietta Charakida, Lucy Wedderburn, Lynn R. Spiegel, Sara Ahola Kohut, Jennifer Stinson, Paula Forgeron, Miriam Kaufman, Nadia Luca, Khush Amaria, Mary Bell, J Swart, F. Boris, E. Castagnola, A. Groll, G. Giancane, G. Horneff, H. I. Huppertz, T. Wolfs, E. Alekseeva, V. Panaviene, F. Uettwiller, V. Stanevicha, L. M. Ailioaie, E. Tsitami, S. Kamphuis, G. Susic, F. Sztajnbok, B. Flato, A. Pistorio, Stephanie J. W. Shoop, Suzanne M. M. Verstappen, Janet E. McDonagh, Wendy Thomson, Kimme L. Hyrich, CAPS, Maarit Tarkiainen, Pirjo Tynjala, Pekka Lahdenne, Janne Martikainen, Acute-JIA Study Group, Meredyth Wilkinson, Christopher Piper, Georg Otto, Claire T. Deakin, Stefanie Dowle, Stefania Simou, Daniel Kelberman, Claudia Mauri, Elizabeth Jury, David Isenberg, Lucy R. Wedderburn, Kiran Nistala, I. Foeldvari, D. J. Lovell, G. Simonini, M. Bereswill, J. Kalabic, Kiem Oen, Brian M. Feldman, Brenden Dufault, Jennifer Lee, Karen Watanabe Duffy, Ciaran Duffy, ReACCh-Out Investigators, N. Tzaribachev, G. Vega-Cornejo, I. Louw, A. Berman, I. Calvo, R. Cuttica, F. Avila-Zapata, R. Cimaz, E. Solau-Gervais, R. Joos, G. Espada, X. Li, M. Nys, R. Wong, S. Banerjee, For Pediatric Rheumatology International Trials Organization (PRINTO)/Pediatric Rheumatology Collaborative Study Group (PRCSG), Rebecca Nicolai, Margherita Verardo, Adele D’Amico, Luisa Bracci-Laudiero, Gian Marco Moneta, Gillian Rice, Anne-Laure Mathieu, Sulliman O. Omarjee, Tracy A. Briggs, James O’Sullivan, Simon Williams, Rolando Cimaz, Eve Smith, Michael W. Beresford, Yanick J. Crow, GENIAL Investigators, UK JSLE Study Group, Madeleine Rooney, Nick Bishop, joyce davidson, Clarissa pilkington, Michael Beresford, Jacqui Clinch, Rangaraj Satyapal, Helen Foster, Janet Gardner Medwin, Janet McDonagh, Sue Wyatt, On Behalf of the British Society for Paediatric and Adolescent Rheumatology, Valentina Litta Modignani, Francesco Baldo, Stefano Lanni, Alessandro Consolaro, Giovanni Filocamo, Helen J. Lachmann, on behalf of Eurofever Registry, Gianmarco Moneta, Camilla Celani, Bilade Cherqaoui, Linda Rossi-Semerano, Perrine Dusser, Véronique Hentgen, Claire Grimwood, Linda Rossi, Isabelle Kone Paut, Veronique Hentgen, Denise Lasigliè, Denise Ferrera, Giulia Amico, Marco Di Duca, Laura Obici, Roberto Ravazzolo, Ryuta Nishikomori, Juan Arostegui, Andrea Petretto, Chiara Lavarello, Elvira Inglese, Federica Vanoni, Michaël Hofer, on behalf of EUROFEVER PROJECT, P. N. Hawkins, T. van der Poll, U. A. Walker, H. H. Tilson, Pascal N. Tyrrell, Raphaela Goldbach-Mansky, Norbert Blank, Hal M. Hoffman, Elisabeth Weissbarth-Riedel, Boris Huegle, Tilmann Kallinich, Ahmet Gul, Marlen Oswald, Fatma Dedeoglu, Aki Hanaya, Takako Miyamae, Manabu Kawamoto, Yumi Tani, Takuma Hara, Yasushi Kawaguchi, Satoru Nagata, Hisashi Yamanaka, Almira Ćosićkić, Fahrija Skokić, Belkisa Čolić, Sanimir Suljendić, Anna Kozlova, Irina Mersiyanova, Mariya Panina, Lily Hachtryan, Vasiliy Burlakov, Elena Raikina, Alexey Maschan, Anna Shcherbina, Banu Acar, Meryem Albayrak, Betul Sozeri, Sezgin Sahin, Amra Adrovic, Nese Inan, Serhan Sevgi, Caroline M. Andreasen, Anne Grethe Jurik, Mia B. Glerup, Christian Høst, Birgitte T. Mahler, Ellen-Margrethe Hauge, Cecilia Lazea, Laura Damian, Calin Lazar, Rodica Manasia, Chloe M. Stephenson, Vimal Prajapati, Paivi M. Miettunen, Dilek Yılmaz, Yavuz Tokgöz, Yasin Bulut, Harun Çakmak, Ferah Sönmez, Elif Comak, Gülşah Kaya Aksoy, Mustafa Koyun, Sema Akman, Yunus Arıkan, Ender Terzioğlu, Osman Nidai Özdeş, İbrahim Keser, Hüseyin Koçak, Ayşen Bingöl, Aygen Yılmaz, Reha Artan, X. Xu, Fatemeh F. Mehregan, Vahid Ziaee, Mohammad H. Moradinejad, Francesco La Torre, Clotilde Alizzi, Pio D’Adamo, G. Junge, J. Gregson, Hasmik Sargsyan, Hulya Zengin, Berna E. Fidanci, Cagla Kaymakamgil, Dilek Konukbay, Dilek Yildiz, Faysal Gok, Iris Stoler, Judith Freytag, Banu Orak, Christine Seib, Lars Esmann, Eva Seipelt, Faekah Gohar, Dirk Foell, Ismail Dursun, Sebahat Tulpar, Sibel Yel, Demet Kartal, Murat Borlu, Funda Bastug, Hakan Poyrazoglu, Zubeyde Gunduz, Kader Kose, Mehmet E. Yuksel, Abdullah Calıskan, Ahmet B. Cekgeloglu, Ruhan Dusunsel, Katerina Bouchalova, Jana Franova, Marcel Schuller, Marie Macku, Katerina Theodoropoulou, Raffaella Carlomagno, Annette von Scheven-Gête, Claudia Poloni, Laura O. Damian, Dan Cosma, Amanda Radulescu, Dan Vasilescu, Liliana Rogojan, Simona Rednic, Mihaela Lupse, Lien De Somer, Pierre Moens, Rocio Galindo Zavala, Laura Martín Pedraz, Esmeralda Núñez Cuadros, Gisela Díaz-Cordovés Rego, Antonio L. Urda Cardona, Ilaria Dal Forno, Sara Pieropan, Ombretta Viapiana, Davide Gatti, Gloria Dallagiacoma, Paola Caramaschi, Domenico Biasi, Daniel Windschall, Ralf Trauzeddel, Hartwig Lehmann, Rainer Berendes, Maria Haller, Manuela Krumrey-Langkammerer, Antje Nimtz-Talaska, Philipp Schoof, Ralf Felix Trauzeddel, Christine Nirschl, Estefania Quesada-Masachs, Carla Aguilar Blancafort, Sara Marsal Barril, Francisca Aguiar, Rita Fonseca, Duarte Alves, Ana Vieira, Alberto Vieira, Jorge A. Dias, Iva Brito, Gordana Susic, Vera Milic, Goran Radunovic, Ivan Boricic, Pauline Marteau, Catherine Adamsbaum, Michel De Bandt, Irène Lemelle, Chantal Deslandre, Tu Anh Tran, Anne Lohse, Elisabeth Solau-Gervais, Pascal Pillet, Julien Wipff, Cécile Gaujoux-Viala, Sylvain Breton, Valérie Devauchelle-Pensec, Sandra Gran, Olesja Fehler, Stefanie Zenker, Michael Schäfers, Thomas Vogl, Severine Guillaume Czitrom, EH Pieter Van Dijkhuizen, Silvia Magni Manzoni, Francesca Magnaguagno, Laura Tanturri de Horatio, Nienke M. Ter Haar, Annemieke S. Littooij, Vitor A. Teixeira, Raquel Campanilho-Marques, Ana F. Mourão, Filipa O. Ramos, Manuela Costa, Wafa A. Madan, Orla G. Killeen, Adriana Rodriguez Vidal, Diana Sueiro Delgado, Maria Isabel Gonzalez Fernandez, Berta Lopez Montesinos, Aleksey Kozhevnikov, Nina Pozdeeva, Mikhail Konev, Evgeniy Melchenko, Vladimir Kenis, Gennadiy Novik, Aysenur Pac Kısaarslan, Butsabong Lerkvaleekul, Suphaneewan Jaovisidha, Witaya Sungkarat, Niyata Chitrapazt, Praman Fuangfa, Thumanoon Ruangchaijatuporn, Soamarat Vilaiyuk, Dan Ø. Pradsgaard, Arne Hørlyck, Anne H. Spannow, Carsten W. Heuck, Talia Diaz, Fernando Garcia, Lorenia De La Cruz, Nadina Rubio, Joanna Świdrowska-Jaros, Elzbieta Smolewska, Mirta Lamot, Lovro Lamot, Mandica Vidovic, Edi Paleka Bosak, Ivana Rados, Miroslav Harjacek, Nikolay Tzaribachev, Polymnia Louka, Romiesa Hagoug, Chiara Trentin, Olga Kubassova, Mark Hinton, Mikael Boesen, Olena A. Oshlianska, Illya A. Chaikovsky, G. Mjasnikov, A. Kazmirchyk, Umberto Garagiola, Irene Borzani, Paolo Cressoni, Fabrizia Corona, Eszter Dzsida, Giampietro Farronato, Antonella Petaccia, Alenka Gagro, Agneza Marija Pasini, Goran Roic, Ozren Vrdoljak, Lucija Lujic, Matija Zutelija-Fattorini, Monika M. Esser, Deepthi R. Abraham, Craig Kinnear, Glenda Durrheim, Mike Urban, Eileen Hoal, Victoria B. Nikolayenko, Kubilay Şahin, Yasar Karaaslan, Adele Civino, Giovanni Alighieri, Sergio Davì, Roberto Rondelli, Andrea Magnolato, Francesca Ricci, Alma Olivieri, Valeria Gerloni, Bianca Lattanzi, Francesca Soscia, Alessandro De Fanti, Stefania Citiso, Lorenzo Quartulli, Maria Cristina Maggio, Manuela Marsili, Maria Antonietta Pelagatti, Valentino Conter, Franca Fagioli, Andrea Pession, Marco Garrone, Mariangela Rinaldi, Jaime De Inocencio, Stella Garay, Daniel J. Lovell, Berit Flato, EPOCA Study Group, Angela Aquilani, Simona Cascioli, Ivan Caiello, Denise Pires-Marafón, Rita Carsetti, Emily Robinson, Salvatore Albani, Wilco de Jager, Sytze de Roock, Trang Duong, Justine Ellis, Kimme Hyrich, Laetitia Jervis, Daniel Lovell, Lucy Marshall, Elizabeth D. Mellins, Kirsten Minden, Jane Munro, Peter A. Nigrovic, Jason Palman, Sunil Sampath, Laura E. Schanberg, Susan D. Thompson, Richard Vesely, Chris Wallace, Chris Williams, Qiong Wu, Nico Wulffraat, Rae S. M. Yeung, M. B. Seyger, D. Arikan, J. K. Anderson, A. Lazar, D. A. Williams, C. Wang, R. Tarzynski-Potempa, J. S. Hymans, Gabriele Simonini, Erika Scoccimarro, Irene Pontikaki, Teresa Giani, Alessandro Ventura, Pier Luigi Meroni, Gaetana Minnone, Marzia Soligo, Luigi Manni, Luisa Bracci Laudiero, Noortje Groot, I. Grein, N. M. Wulffraat, R. Schepp, G. Berbers, C. C. Barbosa Sandoval de Souza, V. Paes Leme Ferriani, G. Pileggi, S. de Roock, Ingrid H. R. Grein, Silvia Scala, Elisa Patrone, Casper Schoemaker, on behalf of Dutch JIA patient organization, Wendy Costello, on behalf of ENCA, Suzanne Parsons, Jean-David Cohen, Damien Bentayou, Marc-Antoine Bernard Brunel, Sonia Trope, Jens Klotsche, Miriam Listing, Martina Niewerth, Gerd Horneff, Angelika Thon, Hans-Iko Huppertz, Kirsten Mönkemöller, Ivan Foeldvari, ICON study group, Achille Marino, Stefano Stagi, Niccolò Carli, Federico Bertini, Adriana S. Díaz-Maldonado, Sally Pino, Pilar Guarnizo, Alfonso Ragnar Torres-Jimenez, Berenice Sanchez-Jara, Eunice Solis-Vallejo, Adriana Ivonne Cespedes-Cruz, Maritza Zeferino-Cruz, Julia Veronica Ramirez-Miramontes, Ankur Kumar, Anju Gupta, Deepti Suri, Amit Rawat, Nandita Kakkar, Surjit Singh, Özge A. Gücenmez, Erbil Ünsal, Bo Magnusson, Karina Mördrup, Anna Vermé, Christina Peterson, Board of the Swedish Pediatric Rheumatology Registry, Caroline Freychet, Jean Louis Stephan, Cathryn E. Harkness, Leanne Foster, Emma Henry, Pauline Taggart, Coskun F. Ozkececi, Esra Kurt, Gokalp Basbozkurt, Daiva Gorczyca, Jacek Postępski, Aleksandra Czajkowska, Bogumiła Szponar, Mariola Paściak, Anna Gruenpeter, Iwona Lachór-Motyka, Daria Augustyniak, Edyta Olesińska, Emediong S. Asuka, Tatyana Golovko, Samuel U. Aliejim, Emilio Inarejos Clemente, Estibaliz Iglesias Jimenez, Joan Calzada Hernandez, Sergi Borlan Fernandez, Clara Gimenez Roca, David Moreno Romo, Natalia Rodriguez Nieva, Juan Manuel Mosquera Angarita, Jordi Anton Lopez, Esmeralda Nuñez-Cuadros, Gisela Diaz-Cordovés, Rocío Galindo-Zavala, Antonio Urda-Cardona, Antonio Fernández-Nebro, Daniel Álvarez de la Sierra, Marina Garcia Prat, Mónica Martínez Gallo, Ricardo Pujol Borrell, Ana M. Marín Sánchez, Etienne Merlin, Sylvie Fraitag, Jean-Louis Stephan, Federico Annoni, Giancarla Di Landro, Sofia Torreggiani, Marta Torcoletti, Georgina Tiller, Jo Buckle, Angela Cox, Peter Gowdie, Roger C. Allen, Jonathan D. Akikusa, Hayde G. Hernández-Huirache, Edel R. Rodea-Montero, William Fahy, Christelle Sordet, Karin B. Berggren, Johanna T. Kembe, Joyce Bos, Wineke Armbrust, Marco van Brussel, Jeanette Cappon, Pieter Dijkstra, Jan Geertzen, Elizabeth Legger, Marion van Rossum, Pieter Sauer, Otto Lelieveld, Levent Buluc, Gur Akansel, Bahar Muezzinoglu, Ljubov Rychkova, Tatyana Knyazeva, Anna Pogodina, Tatyana Belova, Tamara Mandzyak, Ekaterina Kulesh, Alessandro Cafarotti, Cosimo Giannini, Roberta Salvatore, Giuseppe Lapergola, Caterina Di Battista, Maria Loredana Marcovecchio, Raffaella Basilico, Piernicola Pelliccia, Francesco Chiarelli, Luciana Breda, Beverley Almeida, Sarah Tansley, Harsha Gunawardena, Neil McHugh, Juvenile Dermatomyositis Research Group (JDRG), Jessie Aouizerate, Marie De Antonio, Christine Barnerias, Guillaume Bassez, Isabelle Desguerre, Romain Gherardi, Jean-Luc Charuel, François-Jérôme Authier, Cyril Gitiaux, C. H. Spencer, Rabheh Abdul Aziz, Chack-Yung Yu, Brent Adler, Sharon Bout-Tabaku, Katherine Lintner, Melissa Moore-Clingenpeel, Liza McCann, Nicola Ambrose, Mario Cortina-Borja, Juvenile Dermatomyositis Cohort and Biomarker Study (JCDBS), Prasad T. Oommen, Fabian Speth, Johannes-Peter Haas, Working Group “Juvenile Dermatomyositis” of the German Society for Paediatric and Adolescent Rheumatology (GKJR), Claudio Lavarello, Gabriella Giancane, Angela Pistorio, Lisa Rider, Rohit Aggarwal, Sheila K. Oliveira, Ruben Cuttica, Michel Fischbach, Gary Sterba, Karine Brochard, Frank Dressler, Patrizia Barone, Ruben Burgos-Vargas, Elizabeth Candell Chalom, Marine Desjonqueres, Graciela Espada, Anders Fasth, Stella Maris Garay, Rose-Marie Herbigneaux, Claire Hoyoux, Chantal Job Deslandre, Frederick W. Miller, Jiri Vencovsky, Erdal Sag, Gulsev Kale, Haluk Topaloglu, Beril Talim, Francesco Zulian, Tadej Avcin, Roberto Marini, Anne Pagnier, Michel Rodiere, Christine Soler, Rebecca Ten Cate, Yosef Uziel, Jelena Vojinovic, Ana V. Villarreal, Nydia Acevedo, Yuridiana Ramirez, Enrique Faugier, Rocio Maldonado, Bita Arabshahi, John H. Lee, Ian Leibowitz, Lawrence O. Okong’o, Jo Wilmshurst, Monika Esser, Christiaan Scott, Ezgi Deniz Batu, Nagehan Emiroglu, Hafize Emine Sonmez, Gokcen Dilsa Tugcu, Zehra Serap Arici, Ebru Yalcin, Deniz Dogru, Ugur Ozcelik, Mithat Haliloglu, Nural Kiper, Masato Yashiro, Mutsuko Yamada, Toshihiko Yabuuchi, Tomonobu Kikkawa, Nobuyuki Nosaka, Yosuke Fujii, Yukie Saito, Hirokazu Tsukahara, Sulaiman M. Al-Mayouf, Nora AlMutiari, Mohammed Muzaffer, Rawiah shehata, Adel Al-Wahadneh, Reem Abdwani, Safia Al-Abrawi, Mohammed Abu-shukair, Zeyad El-Habahbeh, Abdullah Alsonbul, Aleksandra Szabat, Monika Chęć, Violetta Opoka-Winiarska, Biman Saikia, Ranjana W. Minz, Christine Arango, Clara Malagon, Maria D. P. Gomez, Angela C. Mosquera, Ricardo Yepez, Tatiana Gonzalez, Camilo Vargas, GRIP study group, Marta Balzarin, Biagio Castaldi, Elena Reffo, Francesca Sperotto, Giorgia Martini, Alessandra Meneghel, Ornella Milanesi, Ozgur Kasapçopur, Maria Teresa Terreri, Ekaterina Alexeeva, Maria Katsicas, Mikhail Kostik, Thomas Lehman, W.-Alberto Sifuentes-Giraldo, Vanessa Smith, Flavio Sztajnbok, Tadey Avcin, Maria Jose Santos, Dana Nemcova, Cristina Battagliotti, Liora Harel, Mahesh Janarthanan, Kathryn Torok, Nicola Helmus, Eileen Baildem, Michael Blakley, Kim Fligelstone, Antonia Kienast, Clare Pain, Amanda Saracino, Gabriele Simoni, Lisa Weibel, Maria K. Osminina, Nathalia A. Geppe, Olga V. Niconorova, Olesya V. Karashtina, Oksana V. Abbyasova, Olga V. Shpitonkova, Sinem Durmus, Hafize Uzun, Angela Mauro, Eleonora Fanti, Fabio Voller, Franca Rusconi, Fernando Garcia-Rodriguez, Ana V. Villarreal-Treviño, Angel J. Flores-Pineda, Paola B. Lara-Herrea, Diego R. Salinas-Encinas, Talia Diaz-Prieto, Maria R. Maldonado-Velazquez, Sarbelio Moreno-Espinosa, Enrique Faugier-Fuentes, Mirella Crapanzano, Ilaria Parissenti, Man S. Parihar, Pandiarajan Vignesh, ManojKumar Rohit, Kavitha Gopalan, Savita V. Attri, Alan Salama, David Jayne, Mark Little, Yulia Kostina, Galina Lyskina, Olga Shpitonkova, Alena Torbyak, Olga Shirinsky, Maria Francesca Gicchino, Maria Cristina Smaldone, Mario Diplomatico, Alma Nunzia Olivieri, C H. Spencer, Richard McClead, Hiren Patel, Chung-Yung Yu, Dita Cebecauerová, Tomáš Dallos, Edita Kabíčková, Martin Kynčl, Daniela Chroustová, Jozef Hoza, Dana Němcová, Vladimír Tesař, Pavla Doležalová, Tuncay Hazirolan, Fatih Ozaltin, Fabiola Almeida, Isabela H. Faria de Paula, Maíra M. Sampaio, Fernando N. Arita, Andressa G. Alves, Maria Carolina Santos, Eunice M. Okuda, Silvana B. Sacchetti, Fernanda Falcini, Marini Francesca, Gemma Lepri, Marco Matucci-Cerinic, Maria Luisa Brandi, Hakan Kisaoglu, Sema Misir, Selim Demir, Yuksel Aliyazicioglu, Mukaddes Kalyoncu, Carlos Eduardo Ramalho, Fabiola D. Almeida, Joan Calzada-Hernández, Rosa Bou, Estíbaliz Iglesias, Judith Sánchez-Manubens, Fredy Hermógenes Prada Martínez, Clara Giménez Roca, Sergi Borlan Fernández, Marek Bohm, Kamran Mahmood, Valentina Leone, Mark Wood, Ken-Ichi Yamaguchi, Satoshi Fujikawa, Working Group of Behçet’s Disease, Pediatric Rheumatology Association of Japan (PRAJ), Kyu Yeun Kim, Do Young Kim, Dong Soo Kim, Maka Ioseliani, Ivane Chkhaidze, Maia Lekishvili, Nana Tskhakaia, Shorena Tvalabeishvili, Aleksandre Kajrishvili, Maiko Takakura, Masaki Shimizu, Natsumi Inoue, Mao Mizuta, Akihiro Yachie, Giovanni Corsello, Maryam Piram, Carla Maldini, Sandra Biscardi, Nathalie Desuremain, Catherine Orzechowski, Emilie Georget, Delphine Regnard, Isabelle Kone-Paut, Alfred Mahr, Mihaela Sparchez, Zeno Sparchez, Nydia Acevedo Silva, Ana V. Villarreal Treviño, Yuridiana Ramirez Loyola, Talia Diaz Prieto, Enrique Faugier Fuentes, Maria D. R. Maldonado Velazquez, Pilar Perez, Sagar Bhattad, Ranjana Minz, Jitendra Shandilya, Pediatric Allergy and Immunology Unit, PGIMER, Chandigarh, Ana Villarreal, Yuridiana Ramírez, Zeynep Birsin Özçakar, Suat Fitoz, Fatos Yalcinkaya, Annacarin Horne, Francesca Minoia, Francesca Bovis, Sergio Davi, Priyankar Pal, Kimo Stein, Sandra Enciso, Michael Jeng, Despoina Maritsi, Randy C. Cron, Anne Thorwarth, Sae Lim von Stuckrad, Angela Rösen-Wolff, Hella Luksch, Patrick Hundsdoerfer, Peter Krawitz, Nuray Aktay Ayaz, Doğan Simsek, Şebnem Sara Kılıc, Emine Sonmez, Aysenur Pac Kisaarslan, Ozge Altug Gucenmez, Z. Serap Arıcı, Fatih Kelesoglu, Zelal Ekinci Ekinci, Maria Miranda-Garcia, Carolin Pretzer, Michael Frosch, F. Gohar, Angela McArdle, Niamh Callan, Belinda Hernandez, Miha Lavric, Oliver FitzGerald, Stephen R. Pennington, Joachim Peitz, Joern Kekow, Ariane Klein, Anna C. Schulz, Frank Weller-Heinemann, Anton Hospach, J-Peter Haas, BIKER collaborative group, Karen Put, Jessica Vandenhaute, Anneleen Avau, Annemarie van Nieuwenhuijze, Ellen Brisse, Tim Dierckx, Omer Rutgeerts, Josselyn E. Garcia-Perez, Jaan Toelen, Mark Waer, Georges Leclercq, An Goris, Johan Van Weyenbergh, Adrian Liston, Patrick Matthys, Carine H. Wouters, Yasuo Nakagishi, Michael J. Ombrello, Victoria Arthur, Anne Hinks, Patricia Woo, International Childhood Arthritis Genetics (INCHARGE) Consortium, Barbara Stanimirovic, Biljana Djurdjevic-Banjac, Olivera Ljuboja, Boris Hugle, MArgarita Onoufriou, Olga Vougiouka, Kenza Bouayed, Sanae El Hani, Imane Hafid, Nabiha Mikou, Nunu Shelia, Mari Laan, Jaanika Ilisson, and Chris Pruunsild
Subjects: Pediatrics, RJ1-570, Diseases of the musculoskeletal system, RC925-935
Published: 2017
Full Text: View/download PDF

20. Proceedings of the 23rd Paediatric Rheumatology European Society Congress: part three

Author: Riccardo Papa, Alessandro Consolaro, Francesca Minoia, Roberta Caorsi, Gianmichele Magnano, Marco Gattorno, Angelo Ravelli, Paolo Picco, Roberto Pillon, Denise Pires Marafon, Lidia Meli, Claudia Bracaglia, Andrea Taddio, Fabrizio De Benedetti, Enes Turan, Sara Sebnem Kilic, Yasuhiko Itoh, Tomoko Shigemori, Shingo Yamanishi, Hidehiko Nagasaki, Ela Tarakci, Nilay Arman, Devrim Tarakci, Yusuf S. Akgul, Ozgur Kasapcopur, Emily Wilson, Hanna Lythgoe, Eve Smith, Jenny Preston, Michael W. Beresford, Lynn R. Spiegel, Jennifer Stinson, Mark Connelly, Adam Huber, Nadia Luca, Argerie Tsimicalis, Stephanie Luca, Naweed Tajuddin, Roberta Berard, Julie Barsalou, Sarah Campillo, Brian Feldman, Shirley Tse, Paul Dancey, Ciaran Duffy, Nicole Johnson, Patrick McGrath, Natalie Shiff, Lori Tucker, Charles Victor, Chitra Lalloo, Lauren Harris, Joseph Cafazzo, Kristin Houghton, Ronald Laxer, Madeleine Rooney, Roisin Campbell, Catherine Wright, Wineke Armbrust, Otto Lelieveld, Jolanda Tuinstra, Nico Wulffraat, Joyce Bos, Jeanette Cappon, Marion van Rossum, Mariët Hagedoorn, Anna Vermé, Ylva Lampela, Ayse Huri Ozdogan, S. Ugurlu, K. Barut, A. Androvic, O. Kasapçopu, Jody Etheridge, Katie Dobson, Sue Kemp, AnnaCarin Horne, Karin Palmblad, Malin Höglund, Natalia Stepanenko, Svetlana Salugina, Evgeny Fedorov, Irina Nikishina, Maria Kaleda, Kenan Barut, Amra Adrovic, Sezgin Sahin, Laurence Toumoulin, Johnny Frossard, Stephanie Archimbaut, Anne Paitier, Rolande Guastalli, Severine Guillaume Czitrom, Sirirat Charuvanij, Chollada Chaiyadech, Takako Miyamae, Hisashi Yamanaka, Cecile Picard, Guillaume Thouvenin, Caroline Kannengiesser, Jean-Christophe Dubus, Nadia Jeremiah, Frédéric Rieux-Laucat, Bruno Crestani, Véronique Secq, Christelle Ménard, Martine Reynaud-Gaubert, Françoise Thivolet-Bejui, Philippe Reix, Alexandre Belot, Ezgi Deniz Batu, Hafize Emine Sonmez, Abdulsamet Erden, Ekim Z. Taskiran, Omer Karadag, Umut Kalyoncu, İbrahim Oncel, Berkan Kaplan, Zehra Serap Arici, Cagri Mesut Temucin, Haluk Topaloglu, Yelda Bilginer, Mehmet Alikasifoglu, Seza Ozen, Lien Van Eyck, Ellen De Langhe, Isabelle Jéru, Erika Van Nieuwenhove, Vasiliki Lagou, Paul J. Baker, Jocelyn Garcia-Perez, James Dooley, Lien De Somer, Raf Sciot, Pierre-Yves Jeandel, Julia Ruuth-Praz, Bruno Copin, Myrna Medley-Hashim, Andre Megarbane, Sinisa Savic, An Goris, Serge Amselem, Adrian Liston, Seth Masters, Carine Wouters, Nami Okamoto, Yuko Sugita, Kousuke Shabana, Takuji Murata, Hiroshi Tamai, Juliana Ferenczová, Erika Banóova, Pavol Mrážik, Veronika Vargova, Dubravko Bajramovic, Ksenija Stekic Novacki, Kristina Potocki, Marijan Frkovic, Marija Jelusic, Olga Kostareva, Svetlana Arsenyeva, Anna Shapovalenko, Lennart Jans, Nele Herregods, Jacob Jaremko, Rik Joos, Joke Dehoorne, Xenofon Baraliakos, Sofia Ramiro, Julio C. Casasola-Vargas, Désirée van der Heijde, Robert Landewé, Ruben Burgos-Vargas, Shirley M. Tse, Gerd Horneff, Kristina Unnebrink, Jaclyn K. Anderson, Aysenur Paç Kisaarslan, Betül Sözeri, Zübeyde Gündüz, Gökmen Zararsız, Hakan Poyrazoğlu, Ruhan Düşünsel, Kazutaka Ouchi, Shinji Akioka, Hiroshi Kubo, Norio Nakagawa, Hajime Hosoi, Lovro Lamot, Fran Borovecki, Sanja Kapitanovic, Kristina Gotovac, Mandica Vidovic, Mirta Lamot, Edi Paleka Bosak, Miroslav Harjacek, Ricardo A. Russo, María M. Katsicas, Ruben Burgos Vargas, Ana L. Ortiz-Peyegahud, Zhang Pingping, Mou Yikun, Qi Jun, Jiang Yutong, Gu Jieruo, Mikhail M. Kostik, Shilova Ekaterina, Ilia Avrusin, Yuriy Korin, Olga Kopchak, Eugenia Isupova, Irina Chikova, Panova Tatyana, Margarita Dubko, Vera Masalova, Ludmila Snegireva, Tatyana Kornishina, Olga Kalashnikova, Vyacheslav Chasnyk, Tatyana Likhacheva, N. Ruperto, H. I. Brunner, P. Quartier, T. Constantin, E. Alexeeva, R. Schneider, I. Kone-Paut, K. Schikler, K. Marzan, N. Wulffraat, S. Padeh, V. Chasnyk, C. Wouters, J. B. Kuemmerle-Deschner, T. Kallinich, B. Lauwerys, E. Haddad, E. Nasonov, M. Trachana, O. Vougiouka, K. Leon, A. Speziale, K. Lheritier, E. Vritzali, A. Martini, D. Lovell, PRINTO/PRCSG, Nienke Ter Haar, Rianne Scholman, Wilco de Jager, Tamar Tak, Pieter Leliefeld, Bas Vastert, Sytze de Roock, Ariane de Ganck, Nadia Ryter, Miha Lavric, Dirk Foell, Renee F. Modica, Kathleen G. Lomax, Pamela Batzel, Armelle Cassanas, Melissa E. Elder, Rina Denisova, Ekaterina Alexeeva, Saniya Valieva, Tatyana Bzarova, Kseniya Isayeva, Tatyana Sleptsova, Olga Lomakina, Alexandra Chomahidze, Margarita Soloshenko, Meyry Shingarova, Elena Kachshenko, Wilco De Jager, Sebastiaan J. Vastert, Gerdien Mijnheer, Berent J. Prakken, Nico M. Wulffraat, Hafize E. Sönmez, Asuman N. Karhan, Ezgi D. Batu, Zehra S. Arıcı, Ersin Gümüş, Hülya Demir, Aysel Yüce, Seza Özen, Jasmina Ahluwalia, Bhavneet Bharti, Sweta Rajpal, Varun Uppal, Alaknanda Walia, Surjit S. Samlok, Narender Kumar, Clarissa C. Valões, Beatriz C. Molinari, Ana Claudia G. Pitta, Natali W. Gormezano, Sylvia C. Farhat, Kátia Kozu, Adriana M. Sallum, Simone Appenzeller, Ana Paula Sakamoto, Maria T. Terreri, Rosa M. Pereira, Claudia S. Magalhães, Cássia Maria Barbosa, Francisco Hugo Gomes, Eloisa Bonfá, Clovis A. Silva, Kubra Ozturk, Zelal Ekinci, Maie Helal, Natalia Cabrera, Jean Christophe Lega, Jocelyne Drai, Rene Ecochard, O. V. Shpitonkova, N. S. Podchernyaeva, Y. O. Kostina, N. G. Dashkova, M. K. Osminina, Gozde Yucel, Ahmet Arvas, Nandini Moorthy, Paraskevi Dimou, Angela Midgley, Matthew Peak, Simon C. Satchell, Rachael D. Wright, Rachel Corkhill, Eve M. Smith, Sagar Bhattad, Amit Rawat, Surjit Singh, Anju Gupta, Deepti Suri, Martin de Boer, Taco Kuijpers, Vignesh Pandiarajan, Sapna Sandal, Sebastian Giraldo, Roy Sanguino, Adriana S. Diaz, Selcuk Uzuner, Gizem Durcan, Ali Guven Kilicoglu, Ayhan Bilgic, Kayhan Bahali, Sinem Durmus, Hafize Uzun, Nur Canpolat, Salim Caliskan, Lale Sever, Tomomi Sato, Fuminori Kimura, Wafaa Suwairi, Reem Abdwani, Abdulaziz Al Rowais, Jubran Al qanatish, Abdulrahman Al Asiri, Ekaterina Gaidar, Mikhail Kostik, Elena Serogodskaya, Tatyana Nikitina, Evgenia Isupova, Elham Sardar, Perrine Dusser, Antoine Rousseau, Marc Labetoulle, Emanuel Barreau, Bahram Bodaghi, Isabelle Kone-Paut, Ivan Foeldvari, Jordi Anton, Rosa Bou, Sheila Angeles-Han, Regitze Bangsgaard, Gabriele Brumm, Tamas Constantin, Clive Edelsten, Jens Klotsche, Kirsten Minden, Elisabetta Miserocchi, Susan Nielsen, Gabriele Simonini, Arnd Heiligenhaus, Juan Manuel Mosquera Angarita, Carmen Garcia de Vicuña, Maria Victoria Hernandez, Alfredo Adan, Victor Llorens, Rosa Alcobendas, Susana Noval, Juan Carlos Lopez Robledillo, Isabel Valls, Mari Carmen Pinedo, Alejandro Fonollosa, Jaime de Inocencio, Pilar Tejada, Beatriz Bravo, Manuel Torribio, María Jesús García de Yebenes, Jordi Antón, Uveitis Working Group of the Spanish Pediatric Rheumatology Society, Lorenza Maria Argolini, Irene Pontikaki, Maria Orietta Borghi, Laura Cesana, Barbara Castiglioni, Maurizio Gattinara, Pierluigi Meroni, Pierre Quartier, Veronique Despert, Sylvaine Poignant, Amandine Baptiste, Caroline Elie, Laurent Kodjikian, Dominique Monnet, Michel Weber, Laura Moal, LuuLy Pham, Emmanuel Barreau, Cherif Titah, Pascal Dureau, Vanessa Cecchin, Maria Elisabetta Zannin, Daniele Ferrari, Francesco Comacchio, Rolando Cimaz, Fernanda Falcini, Antonella Petaccia, Stefania Viola, Luciana Breda, Francesco La Torre, Fabio Vittadello, Giorgia Martini, Francesco Zulian, Caroline Galeotti, Guillaume Sarrabay, Olivier Fogel, Isabelle Touitou, Corinne Miceli-Richard, Isabelle Koné-Paut, Hala Etayari, Hashad Soad, Ihab El Kadry, Habibullah Eatamadi, Kais AlAlgawi, Mustafa Al Maini, Khulood Khawaja, Sophie Van den Berghe, Ilse de Schryver, Ann Raes, Lídia L. C. Teixeira, Ana Duarte, Sandra Sousa, Filipe Vinagre, Maria J. Santos, Nataly S. Shevchenko, Ludmila F. Bogmat, Marina V. Demyanenko, Navdha R. Ramchurn, Mark Friswell, Rebecca A. James, Lucy R. Wedderburn, Reshma Pattani, Clarissa A. Pilkington, Sandrine Compeyrot-Lacassagne, Ana V. Villarreal, Nydia Acevedo, Enrique Faugier, Rocio Maldonado, Dilek Yılmaz, Hilal Bektaş Uysal, Elena Kamenets, Ekaterina Zaharova, Stefka Radenska-Lopovok, Joao Nascimento, Helena Sofia, Carla Zilhão, Rui Almeida, Margarida Guedes, Murat Deveci, Svetlana Rodionovskaya, Vera Vinnikova, Irina Tsymbal, Edyta Olesińska, Jacek Postępski, Agnieszka Mroczkowska-Juchkiewicz, Agnieszka Pawłowska-Kamieniak, Beata Chrapko, Damjana Ključevšek, Nina Emeršič, Nataša Toplak, Tadej Avčin, Faina Rokhlina, Galina Glazyrina, Natalia Kolyadina, Kwangnam Kim, Sinae Eom, Daeyoung Kim, Jungwoo Rhim, Francesca Ricci, Paola Montesano, Barbara Bonafini, Veronica Medeghini, Ilaria Parissenti, Antonella Meini, Marco Cattalini, Paolo Airò, Nataliya Panko, Nataliya Shevchenko, Iryna Lebec, Yevgeniya Zajceva, Sara Rostlund, Marie André, Takuma Hara, Takayuki Kishi, Yumi Tani, Aki Hanaya, Satoru Nagata, Velma Selmanovic, Aida Omercahic-Dizdarevic, Adisa Cengic, Almira Cosickic, Aida Omerčahić Dizdarević, Gemma Lepri, Clara Malattia, Eleonora Bellucci, Marco Matucci-Cerinic, Anton Solovyev, Elena Fedotova, Ana Victoria Villarreal, Talia Diaz, Yuridiana Ramirez, Teresa Giani, Achille Marino, Daniel Hunt, Muthana Al Obaidi, Veli Veli, Charalampia Papadopoulou, Jochen Kammermeier, Anna Poluha, Gangadhara C. Bharmappanavara, Alison Kelly, Lindsay Shaw, Giovanna Ferrara, Michele Luzzati, Mattia Giovannini, Liliana Jurado, Juliana Chamorro, Lorena Sarmiento, Ester Conversano, Maria Francesca Gicchino, Giulia Macchini, Carmela Granato, Assunta Tirelli, Alma N. Olivieri, Marija Perica, Lana Tambić Bukovac, Reza Sinaei, Vadood Javadi Parvaneh, Reza Shiari, Khosro Rahmani, Fatemeh F. Mehregan, Mehrnoush Hassas Yeganeh, Inmaculada Calvo Penadés, Berta López Montesinos, Ma Isabel González Fernández, Adriana Rodríguez Vidal, Anand Prahalad Rao, Ayesha Romana, Jyothi Raghuram, Ankur Kumar, Vishali Gupta, Elif Comak, Gülşah Kaya Aksoy, Aygen Yılmaz, Atike Atalay, Mustafa Koyun, Reha Artan, Sema Akman, Maria I. Kaleda, Irina P. Nikishina, Sergei K. Soloviev, Victor A. Malievsky, Ekaterina V. Nikolaeva, Agnieszka Gazda, Beata Kołodziejczyk, Lidia Rutkowska-Sak, Angela Mauro, Pierluigi Marzuillo, Stefano Guarino, and Angela La Manna
Subjects: Pediatrics, RJ1-570, Diseases of the musculoskeletal system, RC925-935
Published: 2017
Full Text: View/download PDF

21. Proceedings of the 23rd Paediatric Rheumatology European Society Congress: part two

Author: Olga Lomakina, Ekaterina Alekseeva, Sania Valieva, Tatiana Bzarova, Irina Nikishina, Elena Zholobova, Svetlana Rodionovskaya, Maria Kaleda, Yasuo Nakagishi, Masaki Shimizu, Mao Mizuta, Akihiro Yachie, Yuko Sugita, Nami Okamoto, Kousuke Shabana, Takuji Murata, Hiroshi Tamai, Eve M. Smith, Peng Yin, Andrea L. Jorgensen, Michael W. Beresford, on behalf of On behalf of the UK JSLE Cohort Study, Antonio Eleuteri, Beatrice Goilav, Laura Lewandowski, Angel Phuti, Dawn Wahezi, Tamar Rubinstein, Caroline Jones, Paul Newland, Stephen Marks, Rachel Corkhill, Diana Ekdawy, Clarissa Pilkington, Kjell Tullus, Chaim Putterman, Chris Scott, Antony C. Fisher, Andrea Jorgensen, Ezgi Deniz Batu, Can Kosukcu, Ekim Taskiran, Sema Akman, Kubra Ozturk, Betul Sozeri, Erbil Unsal, Zelal Ekinci, Yelda Bilginer, Mehmet Alikasifoglu, Seza Ozen, Hanna Lythgoe, Hermine I. Brunner, Gaurav Gulati, Jordan T. Jones, Mekibib Altaye, Jamie Eaton, Mark Difrancesco, Joo Guan Yeo, Jingyao Leong, Loshinidevi D/O Thana Bathi, Thaschawee Arkachaisri, Salvatore Albani, Nagla Abdelrahman, Michael W Beresford, Valentina Leone, UK JSLE study group supported by the National Institute of Health Research Clinical Research Network, Noortje Groot, D. Shaikhani, I. E. M. Bultink, M. Bijl, R. J. E. M. Dolhain, Y. K. O. Teng, E. Zirkzee, K. de Leeuw, R. Fritsch-Stork, S. S. M. Kamphuis, Rachael D. Wright, Reem Abdawani, Laila Al Shaqshi, Ibrahim Al Zakwani, Natali W. Gormezano, David Kern, Oriany L. Pereira, Gladys C. C. Esteves, Adriana M. Sallum, Nadia E. Aikawa, Rosa M. Pereira, Clovis A. Silva, Eloisa Bonfa, Jessica Beckmann, Nora Bartholomä, Nils Venhoff, Philipp Henneke, Ulrich Salzer, Ales Janda, Alina Lucica Boteanu, Sandra Garrote Corral, Alberto Sifuentes Giraldo, Mariluz Gámir Gámir, Antonio Zea Mendoza, Amra Adrovic, Reyhan Dedeoglu, Sezgin Sahin, Kenan Barut, Aida Koka, Funda Oztunc, Ozgur Kasapcopur, Ana Luisa Rodriguez-Lozano, Francisco Rivas-Larrauri, Silvestre García de la Puente, Andressa G. F. Alves, Maria F. D. A. Giacomin, Juliana Farhat, Alfésio L. F. Braga, Adriana M. E. Sallum, Lúcia M. D. A. Campos, Luiz A. A. Pereira, Ana J. D. F. C. Lichtenfels, Clóvis A. Silva, Sylvia C. L. Farhat, Banu Acar, Z. Birsin Ozcakar, Nilgün Çakar, Nermin Uncu, Gökçe Gür, Semanur Özdel, Fatoş Yalçınkaya, Christiaan Scott, Nicky Brice, Peter Nourse, Christine Arango, Angela C. Mosquera, Clara Malagon, Ana P. Sakamoto, Marco F. C. D. Silva, Ananadreia S. Lopes, Gleice C. S. Russo, Adriana E. M. Sallum, Katia Kozu, Eloisa Bonfá, Claudia Saad-Magalhães, Rosa M. R. Pereira, Claudio A. Len, Maria T. Terreri, Deepti Suri, Siyaram Didel, Amit Rawat, Surjit Singh, Despoina Maritsi, MArgarita Onoufriou, Olga Vougiouka, Maria Tsolia, Edi Paleka Bosak, Mandica Vidović, Mirta Lamot, Lovro Lamot, Miroslav Harjaček, Erika Van Nieuwenhove, Adrian Liston, Carine Wouters, Fatemeh Tahghighi, Vahid Ziaee, Seid-Reza Raeeskarami, Francisca Aguiar, Sandra Pereira, Mariana Rodrigues, Cláudia Moura, Gustavo Rocha, Hercília Guimarães, Iva Brito, Rita Fonseca, Gerd Horneff, Ariane Klein, Kirsten Minden, Hans-Iko Huppertz, Frank Weller-Heinemann, Jasmin Kuemmerle-Deschner, J-Peter Haas, Anton Hospach, BIKER collaborative group, Ricardo Menendez-Castro, Boris Huegle, Johannes-Peter Haas, Joost Swart, Gabriella Giancane, Francesca Bovis, Elio Castagnola, Andreas Groll, Daniel J. Lovell, Tom Wolfs, Michael Hofer, Violeta Panaviene, Susan Nielsen, Jordi Anton, Florence Uettwiller, Valda Stanevicha, Maria Trachana, Denise Pires Marafon, Constantin Ailioaie, Elena Tsitsami, Sylvia Kamphuis, Troels Herlin, Pavla Doležalová, Gordana Susic, Berit Flatø, Flavio Sztajnbok, Angela Pistorio, Alberto Martini, Nico Wulffraat, Nicolino Ruperto, Marco Gattorno, Antonio Brucato, Martina Finetti, George Lazaros, Silvia Maestroni, Mara Carraro, Davide Cumetti, Alessandra Carobbio, Monia Lorini, Alessandro Rimini, Renzo Marcolongo, Anna Valenti, Gian Luca Erre, Riccardo Belli, Fiorenzo Gaita, Maria Pia Sormani, Massimo Imazio, Mario Abinun, Nicola Smith, Tim Rapley, Flora McErlane, Lianne Kearsley-Fleet, Kimme L. Hyrich, Helen Foster, Nikolay Tzaribachev, Andrew Zeft, Rolando Cimaz, John Bohnsack, Thomas Griffin, Ruy Carrasco, Jason Dare, Ivan Foeldvari, Richard Vehe, Teresa Simon, Hermine Brunner, S. Verazza, S. Davì, A. Consolaro, A. Insalaco, V. Gerloni, R. Cimaz, F. Zulian, S. Pastore, F. Corona, G. Conti, P. Barone, M. Cattalini, E. Cortis, L. Breda, A. N. Olivieri, A. Civino, R. Podda, D. Rigante, F. La Torre, G. D’Angelo, M. Jorini, R. Gallizzi, M. C. Maggio, R. Consolini, A. De Fanti, M. G. Alpigiani, A. Martini, A. Ravelli, on behalf of Italian Pediatric Rheumatology Study Group, Aysenur Pac Kısaarslan, Zubeyde Gunduz, Ruhan Dusunsel, Ismail Dursun, Hakan Poyrazoglu, Ekaterina Kuchinskaya, Farida Abduragimova, Mikhail Kostik, Erik Sundberg, Soley Omarsdottir, Lena Klevenvall, Helena Erlandsson-Harris, Gokalp Basbozkurt, Ozge Erdemli, Dogan Simsek, Fatih Yazici, Yildirim Karsioglu, Aysen Tezcaner, Dilek Keskin, Huseyin Ozkan, Cengizhan Acikel, Erkan Demirkaya, Ilonka Orbán, Krisztina Sevcic, Valentin Brodszky, Emese Kiss, Ismaiel A. Tekko, Madeleine Rooney, James McElnay, Cliff Taggart, Helen McCarthy, Ryan F. Donnelly, Drug Delivery Group, Mary Slatter, Zohreh Nademi, Mark Friswell, Sharmila Jandial, Terence Flood, Sophie Hambleton, Andrew Gennery, Andrew Cant, Phoi-Ngoc Duong, Isabelle Koné-Paut, Giovanni Filocamo, María Luz Gamir, Helga Sanner, Laura Carenini, Mesut Topdemir, Yildirim Karslioglu, Faysal Gok, Nadezhda Tsurikova, Elena Ligostaeva, Navdha R. Ramchurn, O. Kostareva, I. Nikishina, S. Arsenyeva, S. Rodionovskaya, M. Kaleda, D. Alexeev, Ismail Dursun Dursun, Sara Murias, Estefania Barral, Rosa Alcobendas, Eugenia Enriquez, Agustin Remesal, Jaime de Inocencio, Tania M. Castro, Simone A. Lotufo, Tatjana Freye, Raffaella Carlomagno, Thomas Zumbrunn, Jan Bonhoeffer, Elvira Cannizzaro Schneider, Daniela Kaiser, Michaël Hofer, Véronique Hentgen, Andreas Woerner, Juvenile Inflammatory Rheumatism (JIR) Cohort, Tobias Schwarz, Jens Klotsche, Martina Niewerth, Gerd Ganser, ICON study group, Jerold Jeyaratnam, Nienke ter Haar, Donato Rigante, Fatma Dedeoglu, Ezgi Baris, Sebastiaan Vastert, Joost Frenkel, Jonathan S. Hausmann, Kathleen G. Lomax, Ari Shapiro, Karen L. Durrant, P. A. Brogan, M. Hofer, J. B. Kuemmerle-Deschner, B. Lauwerys, A. Speziale, K. Leon, X. Wei, R. M. Laxer, Sara Signa, Marta Rusmini, Elena Campione, Sabrina Chiesa, Alice Grossi, Alessia Omenetti, Roberta Caorsi, Gianmaria Viglizzo, Isabella Ceccherini, Silvia Federici, Helen Lachmann, Nicola Ruperto, on behalf of PRINTO and Eurofever Registry, Federica Vanoni, on behalf of PRINTO and Eurofever Project, Sonia Melo Gomes, Ebun Omoyinmi, Juan I. Arostegui, Eva Gonzalez-Roca, Despina Eleftheriou, Nigel Klein, Paul Brogan, Stefano Volpi, Elettra Santori, Paolo Picco, Claudia Pastorino, Gillian Rice, Alessandra Tesser, Yanick Crow, Fabio Candotti, Ada B. Sinoplu, Gozde Yucel, Gizem Pamuk, Laura O. Damian, Cecilia Lazea, Mihaela Sparchez, Paulina Vele, Laura Muntean, Adriana Albu, Simona Rednic, Calin Lazar, Leonardo O. Mendonça, Alessandra Pontillo, Jorge Kalil, Fabio M. Castro, Myrthes T. Barros, Manuela Pardeo, Virginia Messia, Fabrizio De Benedetti, Antonella Insalaco, Giorgia Malighetti, Chiara Gorio, Francesca Ricci, Ilaria Parissenti, Paola Montesano, Barbara Bonafini, Veronica Medeghini, Marco Cattalini, Lucio Giordano, Giulia Zani, Rosalba Ferraro, Donatella Vairo, Silvia Giliani, Maria Cristina Maggio, Girolamo Luppino, Giovanni Corsello, Maria Isabel Gonzalez Fernandez, Berta Lopez Montesinos, Adriana Rodriguez Vidal, Juan I. Arostegui Gorospe, Inmaculada Calvo Penades, Nadia K. Rafiq, Karen Wynne, Khalid Hussain, Paul A. Brogan, Elizabeth Ang, Nicholas Ng, Ayla Kacar, Ozge Altug Gucenmez, Balahan Makay, Sevket Erbil Unsal, Yasin Sahin, Tufan Kutlu, Fugen Cullu-Cokugras, Hasret Ayyildiz-Civan, Tulay Erkan, Sana Al Zuhbi, Eiman Abdalla, Ricardo A. Russo, María M. Katsicas, Francesca Minoia, Angelo Ravelli, Sagar Bhattad, Anju Gupta, Vignesh Pandiarajan, Ritambhra Nada, Kaara Tiewsoh, Philip Hawkins, Dorota Rowczenio, Sarka Fingerhutova, Jana Franova, Leona Prochazkova, Eva Hlavackova, Pavla Dolezalova, Havva Evrengül, Selçuk Yüksel, Mustafa Doğan, Dolunay Gürses, Harun Evrengül, Silvia De Pauli, Serena Pastore, Anna Monica Bianco, Giovanni Maria Severini, Andrea Taddio, Alberto Tommasini, Svetlana O. Salugina, Evgeny Fedorov, Elena Kamenets, Ekaterina Zaharova, Tatiana Sleptsova, Ekaterina Alexeeva, Kirill Savostyanov, Alexander Pushkov, Tatyana Bzarova, Saniya Valieva, Rina Denisova, Kseniya Isayeva, Evgeniya Chistyakova, Margarita Soloshenko, Elena Kaschenko, Utako Kaneko, Chihaya Imai, Akihiko Saitoh, Vitor A. Teixeira, Filipa O. Ramos, Manuela Costa, Yonatan Butbul Aviel, Shafe Fahoum, Riva Brik, Zeynep Birsin Özçakar, Banu Acar Celikel, Fatos Yalcinkaya, Benedetta Schiappapietra, Sergio Davi’, Federica Mongini, Luisa Giannone, Cecilia Bava, Maria Giannina Alpigiani, Alessandro Consolaro, Dragana S. Lazarevic, Jelena Vojinovic, Jelena Basic, Valentina Muratore, Valentina Marzetti, Neus Quilis, Belen Serrano Benavente, Alessandra Alongi, Adele Civino, Lorenzo Quartulli, Giedre Januskeviciute, Pieter van Dijkhuizen, N. Groot, W. van Dijk, A. Kardolus, Raul Gutiérrez Suárez, Ellen B. Nordal, Veronika G. Rypdal, Lillemor Berntson, Maria Ekelund, Kristiina Aalto, Suvi Peltoniemi, Marek Zak, Mia Glerup, Ellen D. Arnstad, Anders Fasth, Marite Rygg, the Nordic Study Group of Pediatric Rheumatology (NoSPeR), Ana Catarina Duarte, Sandra Sousa, Lídia Teixeira, Ana Cordeiro, Mª José Santos, Ana Filipa Mourão, Maria José Santos, Mónica Eusébio, Ana Lopes, Filipa Oliveira-Ramos, Manuel Salgado, Paula Estanqueiro, José Melo-Gomes, Fernando Martins, José Costa, Carolina Furtado, Ricardo Figueira, Jaime C. Branco, João E. Fonseca, Helena Canhão, Ana F. Mourão, Maria Jose Santos, Andrea Coda, Samuel Cassidy, Kerry West, Gordon Hendry, Debra Grech, Julie Jones, Fiona Hawke, Davinder Singh Grewal, Charlene Foley, Orla Killeen, Emma MacDermott, Douglas Veale, Ursula Fearon, Dilek Konukbay, Ela Tarakci, Nilay Arman, Sezgin Şahin, Jane Munro, Esi Morgan, Meredith Riebschleger, Jennifer Horonjeff, Vibeke Strand, Clifton Bingham, Ma. Theresa M. Collante, Margarita Ganeva, Stefan Stefanov, Albena Telcharova, Dimitrina Mihaylova, Radoslava Saraeva, Reni Tzveova, Radka Kaneva, Adelina Tsakova, Katya Temelkova, GRANT Medical University, Sofia 68/, Maria Mercedes C. Picarelli, Luiz C. Danzmann, Florencia Barbé-Tuana, Lucas K. Grun, Marcus H. Jones, Marijan Frković, Karla Ištuk, Ika Birkić, Saša Sršen, Marija Jelušić, Alan Easton, Rachael Quarmby, Raju Khubchandani, Mercedes Chan, Radoslav Srp, Katerina Kobrova, Dana Nemcova, Jozef Hoza, Michal Uher, Melania Saifridova, Lenka Linkova, Sirirat Charuvanij, Isree Leelayuwattanakul, Thita Pacharapakornpong, Sakda A.-O. Vallipakorn, Butsabong Lerkvaleekul, Soamarat Vilaiyuk, Stefano Lanni, Sergio Davì, Randy Q. Cron, Chiara Passarelli, Elisa Pisaneschi, Antonio Novelli, Claudia Bracaglia, Ivan Caiello, Kathy de Graaf, Florence Guilhot, Walter Ferlin, Grant Schulert, Alexi A. Grom, Robert Nelson, Cristina de Min, Dirk Holzinger, Christoph Kessel, Ndate Fall, Alexei Grom, Wilco de Jager, Raffaele Strippoli, Anna Horne, Stephan Ehl, Sandra Ammann, Kai Lehmberg, Karin Beutel, Dirk Foell, AnnaCarin Horne, Laura Pagani, Graciela Espada, Yi-jin Gao, Susan Shenoi, Sheila Weitzman, Giusi Prencipe, Antonia Pascarella, Walter G. Ferlin, Laurence Chatel, Philippe Jacqmin, Kathy De Graaf, Maria Ballabio, Zoë Johnson, Geneviève Lapeyre, Fabrizio de Benedetti, de Min Cristina, Hiroyuki Wakiguchi, Shunji Hasegawa, Reiji Hirano, Fumiko Okazaki, Tamaki Nakamura, Hidenobu Kaneyasu, Shouichi Ohga, Kazuko Yamazaki, Tomo Nozawa, Taichi Kanetaka, Shuichi Ito, Shumpei Yokota, Kirsty McLellan, Ishbel MacGregor, Neil Martin, Joyce Davidson, Sandra Hansmann, Andreas Eikelberg, Iris Haug, Sabrina Schuller, Susanne M. Benseler, Single Hub and Access point for paediatric Rheumatology in Europe (SHARE), Liliia S. Nazarova, Kseniia V. Danilko, Viktor A. Malievsky, Tatiana V. Viktorova, Angela Mauro, Angela Barnicoat, Jane Hurst, Nathalie Canham, Sandrine Lacassagne, Anastasia Wiener, Boris Hügle, Bernd Denecke, Ivan Costa-Filho, Johannes Peter Haas, Klaus Tenbrock, David Popp, Arjan Boltjes, Frank Rühle, Stefanie Herresthal, Femke van Wijk, Joachim Schultze, Monika Stoll, Luisa Klotz, Thomas Vogl, Johannes Roth, Estefania Quesada-Masachs, Daniel Álvarez de la Sierra, Marina Garcia Prat, Ana M. Marín Sánchez, Ricardo Pujol Borrell, Sara Marsal Barril, Mónica Martínez Gallo, Consuelo Modesto Caballero, Iryna Chyzheuskaya, Lyudmyla M. Byelyaeva, Rostislav M. Filonovich, Helena K. Khrustaleva, Larisa I. Zajtseva, Tamara M. Yuraga, Thomas Giner, Lukas Hackl, Julia Albrecht, Reinhard Würzner, Juergen Brunner, Marta Minute, Fulvio Parentin, Agostino Nocerino, Mette Nørgaard, Mikel Alberdi-Saugstrup, Marek S. Zak, Susan M. Nielsen, Ellen Nordal, Klaus G. Müller, Nordic Study Group of Pediatric Rheumatology (NoSPeR), Mojca Zajc Avramovič, Vita Dolžan, Nataša Toplak, Tadej Avčin, N. Ruperto, D. J. Lovell, C. Wallace, M. Toth, I. Foeldvari, J. Bohnsack, D. Milojevic, C. Rabinovich, D. Kingsbury, K. Marzan, P. Quartier, K. Minden, E. Chalom, G. Horneff, R. M. Kuester, J. Dare, M. Heinrich, H. Kupper, J. Kalabic, H. I. Brunner, on behalf of PRINTO and PRCSG, Ruben Burgos-Vargas, Tamas Constantin, Joke Dehoorne, Valda Stanevica, Katarzyna Kobusinska, Zbigniew Zuber, Richard Mouy, Ingrida Rumba-Rozenfelde, Chantal Job-Deslandre, Ronald Pederson, Jack Bukowski, Tina Hinnershitz, Bonnie Vlahos, Paula Keskitalo, Salla Kangas, Paula Vähäsalo, Raul A. Chavez Valencia, David Martino, Anne-Louise Ponsonby, Rachel Chiaroni-Clarke, Braydon Meyer, Roger C. Allen, Jonathan D. Akikusa, Jeffrey M. Craig, Richard Saffrey, Justine A. Ellis, Carol Wallace, Yosef Uziel, Gary Sterba, Rayfel Schneider, Ricardo Russo, Athimalaipet V. Ramanan, Jana Pachlopnik Schmid, Kim E Nichols, Paivi Miettunen, Toshiyuki Kitoh, Norman T. Ilowite, Jan-Inge Henter, Alexei A Grom, Edward M. Behrens, Tadej Avcin, Maurizio Aricò, Sriharsha Grevich, Peggy Lee, Sarah Ringold, Brian Leroux, Hannah Leahey, Megan Yuasa, Jessica Foster, Jeremy Sokolove, Lauren Lahey, William Robinson, Joshua Newson, Anne Stevens, Stephanie J. W. Shoop, Suzanne M. M. Verstappen, Wendy Thomson, Janet E. McDonagh, CAPS, Timothy Beukelman, Yuki Kimura, Marc Natter, Norm Ilowite, Kelly Mieszkalski, Grendel Burrell, Brian Best, Helen Bristow, Shannon Carr, Anne Dennos, Rachel Kaufmann, Laura Schanberg, for the CARRA Registry Investigators, Gabriele Simonini, Francesca Lancini, Margaux Gerbaux, Phu-Quoc Lê, Laurence Goffin, Valérie Badot, Céline La, Laure Caspers, François Willermain, Alina Ferster, Maria Ceci, Francesco Licciardi, Marco Turco, Francesca Santarelli, Davide Montin, Claudia Toppino, Clotilde Alizzi, Bruno Papia, Beatrice Vergara, Umberto Corpora, Luca Messina, Maria Tsinti, Vasiliko Dermentzoglou, Panagiotis Tziavas, Marija Perica, Lana Tambić Bukovac, Mustafa Çakan, Nuray Aktay Ayaz, Gonca Keskindemirci, Michael Lang, Catherine Laing, Susanne Benseler, Tommy Gerschman, Nadia Luca, Heinrike Schmeling, Anastasia Dropol, Jaymi Taiani, Nicole Johnson, Brian Rusted, Panagiota Nalbanti, Polyxeni Pratsidou, Grigoris Pardalos, Vasiliki Tzimouli, Anna Taparkou, Maria Stavrakidou, Fotios Papachristou, Florence Kanakoudi-Tsakalidou, Peter Bale, Emily Robinson, Jason Palman, Elizabeth Ralph, Kimberly Gilmour, Clare Heard, Lucy R. Wedderburn, Yara Barrense-Dias, Antonarakis Gregory, Dhouib Amira, Scolozzi Paolo, Hanquinet Sylviane, Hofer Michaël, Nataliya Panko, Salah Shokry, Liudmila Rakovska, Sally Pino, Adriana Diaz-Maldonado, Pilar Guarnizo, Sofia Torreggiani, Paolo Cressoni, Umberto Garagiola, Giancarla Di Landro, Giampietro Farronato, Fabrizia Corona, Samantha Bell, Parveen Bhatti, Lee Nelson, Beth A. Mueller, T. A. Simon, A. Baheti, N. Ray, Z. Guo, Anasuya Hazra, Thomas Stock, Ronnie Wang, Charles Mebus, Christine Alvey, Manisha Lamba, Sriram Krishnaswami, Umberto Conte, Min Wang, Daniel Kingsbury, Elena Koskova, Elzbieta Smolewska, Richard K. Vehe, Daniel Lovell, Tomohiro Kubota, Junko Yasumura, Toshitaka Kizawa, Masato Yashiro, Tsuyoshi Yamatou, Yuichi Yamasaki, Syuji Takei, Yoshifumi Kawano, Ulrika Järpemo Nykvist, Bo Magnusson, Rikard Wicksell, Karin Palmblad, Gunnar L. Olsson, Mohammadreza Modaressi, Mohammad-Hassan Moradinejad, Valentina Seraya, Alisa Vitebskaya, Veronica Moshe, Gil Amarilyo, Liora Harel, Phillip J Hashkes, Amir Mendelson, Noa Rabinowicz, Yonit Reis, Zane Dāvidsone, Arina Lazareva, Ruta Šantere, Dace Bērziņa, Valda Staņēviča, Giulia Camilla Varnier, Susan Maillard, Cristina Ferrari, Silvia Zaffarano, Juvenile Dermatomyositis Research Group and European Federation of Immunological Societies, Judith Wienke, Felicitas Bellutti Enders, Lucas L. van den Hoogen, Jorre S. Mertens, Timothy R. Radstake, Henny G. Hotten, Ruth Fritsch, Lucy Wedderburn, Kiran Nistala, Berent Prakken, Annet van Royen-Kerkhof, Mohammad Alhemairi, Mohammed Muzaffer, Pieter Van Dijkhuizen, Claire T. Deakin, Stefania Simou, Maria De Iorio, Qiong Wu, Tania Amin, Lee Dossetter, Juvenile Dermatomyositis Research Group (JDRG), Raquel Campanilho-Marques, Claire Deakin, Clarissa A. Pilkington, on behalf of Juvenile Dermatomyositis Research Group (JDRG), Silvia Rosina, Sirisucha Soponkanaporn, on behalf of the UK Juvenile Dermatomyositis Research Group (JDRG), Zehra S. Arıcı, Gökçen D. Tuğcu, Ezgi D. Batu, Hafize E. Sönmez, Deniz Doğru-Ersöz, Beril Talim, Nural Kiper, Seza Özen, Alexander Solyom, Ezgi Batu, John Mitchell, Ariana Kariminejad, Fatemeh Hadipour, Zahra Hadipour, Marta Torcoletti, Carlo Agostoni, Maja Di Rocco, Pranoot Tanpaiboon, Andrea Superti-Furga, Luisa Bonafé, Nur Arslan, Norberto Guelbert, Karoline Ehlert, Giedre Grigelioniene, Ratna Puri, Edward Schuchman, Pilar Gomez, Tatiana Gonzalez, Ricardo Yepez, Camilo Vargas, GRIP study group, Falcini Fernanda, Gemma Lepri, Alessandra Ferrari, Marco Matucci-Cerinic, Antonella Meini, Gian Marco Moneta, Emiliano Marasco, Rebecca Nicolai, Luisa Bracci-Laudiero, Olga Kopchak, Alexander Mushkin, Alexey Maletin, Catalina Mosquera, Rita A. Amorim, Juliana Molina, Gustavo Moreira, Flávia H. Santos, Melissa Fraga, Livia Keppeke, Vanessa M. Silva, Camila Hirotsu, Sergio Tufik, Maria Teresa Terreri, Vinícius L. Braga, Maria Beatriz Fonseca, Vania Schinzel, Maria Teresa R. Terreri, Liliana Jorge, Liana Guerra, Edson Amaro Junior, Maria Cristina Castiglione, Alessandra Tricarico, Emily Boulter, Andre Schultz, Kevin Murray, Fernanda Falcini, Stefano Stagi, Eleonora Bellucci, Ingrid H. R. Grein, Gecilmara Pileggi, Natália B. F. Pinto, Aline L. de Oliveira, Lyudmila Belyaeva, Rostislav Filonovich, Helena Khrustaleva, Larisa Zajtseva, Jaanika Ilisson, Chris Pruunsild, Olivier Gilliaux, Francis Corazza, Christophe Lelubre, on behalf of PANLAR Pediatric Rheumatology Study Group, Zoilo Morel, Claudia Saad-Magalhães C, Luis Lira, Mabel Ladino, Ruth Eraso, Ivonne Arroyo, Clovis Silva, Carlos Rose, and PANLAR Pediatric Rheumatology Study Group
Subjects: Pediatrics, RJ1-570, Diseases of the musculoskeletal system, RC925-935
Published: 2017
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22. Vasculitis in Systemic Autoinflammatory Diseases

Author: Selcan Demir, Erdal Sag, Fatma Dedeoglu, and Seza Ozen
Subjects: vasculitis, autoinflammatory diseases, inflammasomopathies, relopathies, interferonopathies, Behcet disease, Pediatrics, RJ1-570
Abstract: Autoinflammatory diseases (AID) are diseases of the innate immune system, characterized by recurrent episodes of localized or systemic inflammation. Vasculitis may accompany AID. The causes of the association of vasculitis with monogenic AID are still debated. Among the monogenic AID, Familial Mediterranean Fever (FMF) is the most common. IgA-related vasculitis (IgAV) and Polyarteritis Nodosa (PAN) involving small and/or medium-sized vessels have an increased frequency among FMF patients. There are also case reports revealing vasculitic features in Cryopyrin-Associated Periodic Fever Syndrome (CAPS), Tumor Necrosis Factor Receptor-Associated Periodic Syndrome (TRAPS), Mevalonate Kinase Deficiency (MKD), also known as Hyper IgD syndrome (HIDS), Deficiency of IL-1 Receptor Antagonist (DIRA) and Pyogenic Arthritis, Pyoderma gangrenosum, and Acne (PAPA) patients. Central nervous system vasculitis and vasculopathy have been reported in DIRA and PAPA patients whereas small vessel involvement affecting skin has been reported in CAPS, TRAPS, and MKD patients. Alternatively, vasculitis can also be a leading feature especially in the recently defined monogenic AID (Otulipenia, Deficiency of Adenosine Deaminase 2-DADA2, Haploinsufficiency of A20) and interferonopathies (STING-associated vasculopathy with onset in infancy-SAVI). DADA2 often presents as a PAN-like disease. In otulipenia, patients have painful subcutaneous nodules caused by septal panniculitis with small and medium vessel vasculitis. Haploinsufficiency of A20 (also called Familial Behcet-like Autoinflammatory Syndrome) results in a phenotype very similar to the variable vessel vasculitis of Behcet's disease with recurrent oral-genital ulcers, in addition to, skin rash, uveitis, and polyarthritis. SAVI is an autoinflammatory vasculopathy with increased Interferon (IFN) signature, causing severe skin lesions resulting in ulceration, necrosis, and in some cases, amputation. Behcet's Disease (BD) is a multifactorial polygenic AID characterized by recurrent attacks of oral-genital ulcers, skin lesions, uveitis and a unique vasculitis affecting both arteries and veins of all sizes. Many clinical features overlap with other autoinflammatory diseases and overexpression of proinflammatory cytokines is an important feature of the disease.
Published: 2018
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23. Vasculitis Pathogenesis: Can We Talk About Precision Medicine?

Author: Seza Ozen and Ezgi Deniz Batu
Subjects: systemic vasculitis, genome-wide association studies, monogenic vasculitis, biomarker, precision medicine, Immunologic diseases. Allergy, RC581-607
Abstract: Precision medicine is designing the medical care by taking into account the individual variability for each person. We have tried to address whether the existing data may guide precision medicine in primary systemic vasculitides (PSV). We have reviewed genome-wide association studies (GWAS) data, lessons from monogenic mimics of these diseases, and biomarker studies in immunoglobulin A vasculitis/Henoch–Schönlein purpura, Kawasaki disease, anti-neutrophil cytoplasmic antibody-associated vasculitis, polyarteritis nodosa (PAN), Takayasu arteritis, and Behçet’s disease (BD). GWAS provide insights about the pathogenesis of PSV while whole exome sequencing studies lead to discovery of monogenic vasculitides, phenotype of which could mimic other types of vasculitis such as PAN and BD. Monogenic vasculitides form a subgroup of vasculitis which are caused by single gene alterations and discovery of these diseases has enabled more specific therapies in these patients. With increasing number of studies on biomarkers, new targets for treatment appear and better and structured follow-up of PSV patients will become possible. Proteomics and metabolomics studies are required to better categorize our patients with PSV so that we can manage them appropriately and offer more targeted therapy.
Published: 2018
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24. Pediatric Nephrology and Rheumatology Practice Patterns in Granulomatosis with Polyangiitis: A Midwest Pediatric Nephrology Consortium Study

Author: Cristin D. W. Kaspar, Keia Sanderson, Seza Ozen, Priya S. Verghese, Megan Lo, Timothy E. Bunchman, Scott E. Wenderfer, and Jason Kidd
Subjects: Diseases of the genitourinary system. Urology, RC870-923
Abstract: Objective. To assess practice pattern similarities and differences amongst pediatric rheumatologists and nephrologists in the management of pediatric Granulomatosis with Polyangiitis (GPA). Methods. A voluntary survey was distributed to the Midwest Pediatric Nephrology Consortium Group (MWPNC) and an international pediatric rheumatology email listserv in 2016-2017. Data were collected on general practice characteristics and preferences for induction management under three clinical scenarios (A-C): newly diagnosed GPA with glomerulonephritis, GPA with rapidly progressive glomerulonephritis, and GPA with pulmonary hemorrhage. In addition, individual preferences for GPA maintenance medications, disease monitoring, and management of GPA with end-stage renal disease were ascertained. Results. There was a 68% response rate from the MWPNC membership and equal numbers of rheumatology respondents. Survey results revealed Rituximab plus Cyclophosphamide is a more common induction choice for rheumatologists than nephrologists in induction Scenarios A and B, whereas Cyclophosphamide is more commonly chosen by nephrologists in Scenario A. Plasmapheresis rates increased for Scenarios A, B, and C for both specialties, but were overall low. There was no clear consensus on the duration of maintenance therapy nor diagnostic work-up. Rheumatologists more frequently chose Rituximab for maintenance and induction compared to nephrologists. There was also a higher than expected proportion of Mycophenolate Mofetil use for both specialties. Conclusion. This survey has revealed important differences in the way that rheumatologists and nephrologists manage this disease. It highlights the need for well-designed clinical trials in pediatric GPA patients and reveals that both specialties must be represented during consensus-building and clinical trial design efforts.
Published: 2018
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25. 5,6-dimethylxanthenone-4- acetic acid (DMXAA), a partial STING agonist, competes for human STING activation.

Author: Temizoz, Burcu, Takayuki Shibahara, Kou Hioki, Tomoya Hayashi, Kouji Kobiyama, Jann Lee, Michelle Sue, Surucu, Naz, Sag, Erdal, Atsushi Kumanogoh, Masahiro Yamamoto, Mayda Gursel, Seza Ozen, Seza, Etsushi Kuroda, Coban, Cevayir, and Ishii, Ken J.
Subjects: ACETIC acid, MONONUCLEAR leukocytes, GAIN-of-function mutations
Abstract: 5,6-dimethylxanthenone-4-acetic acid (DMXAA) is a mouse-selective stimulator of interferon gene (STING) agonist exerting STING-dependent anti-tumor activity. Although DMXAA cannot fully activate human STING, DMXAA reached phase III in lung cancer clinical trials. How DMXAA is effective against human lung cancer is completely unknown. Here, we show that DMXAA is a partial STING agonist interfering with agonistic STING activation, which may explain its partial anti-tumor effect observed in humans, as STING was reported to be pro-tumorigenic for lung cancer cells with low antigenicity. Furthermore, we developed a DMXAA derivative—3-hydroxy-5-(4-hydroxybenzyl)-4-methyl-9H-xanthen-9-one (HHMX)—that can potently antagonize STING-mediated immune responses both in humans and mice. Notably, HHMX suppressed aberrant responses induced by STING gain-of-function mutations causing STING-associated vasculopathy with onset in infancy (SAVI) in in vitro experiments. Furthermore, HHMX treatment suppressed aberrant STING pathway activity in peripheral blood mononuclear cells from SAVI patients. Lastly, HHMX showed a potent therapeutic effect in SAVI mouse model by mitigating disease progression. Thus, HHMX offers therapeutic potential for STING-associated autoinflammatory diseases. [ABSTRACT FROM AUTHOR]
Published: 2024
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26. Report of 2 pediatric cases with atypical Cogan's syndrome and a systematic review

Author: Muserref Kasap Cuceoglu, Ozge Basaran, Ezgi Deniz Batu, Ummusen Kaya Akca, Erdal Atalay, Seher Sener, Zeynep Balik, Yagmur Bayindir, Emil Aliyev, Rahsan Gocmen, Sibel Kadayifcilar, Umut Akyol, Yelda Bilginer, and Seza Ozen
Subjects: Rheumatology
Published: 2022

27. Interstitial lung disease in autoinflammatory disease in childhood: A systematic review of the literature

Author: Halime Nayir Buyuksahin, Ozge Basaran, Zeynep Balık, Yelda Bilginer, Seza Ozen, and Deniz Dogru
Subjects: Pulmonary and Respiratory Medicine, Pediatrics, Perinatology and Child Health
Abstract: The lung is one of the target organs in the systemic involvement of autoinflammatory disease (AID), and interstitial lung disease (ILD) is the primary phenotype of lung involvement in AID. In this review, we aimed to conduct a systematic review of the available literature to highlight ILD in AID.We conducted a systematic literature search in PubMed/MEDLINE and Scopus from the inception of the databases to January 2022. References were first screened by title and then by abstract by two authors. Eighteen original papers were selected for full-text review.During the literature search, we identified 18 relevant articles describing 52 cases of AID and ILD. Of those, 44 patients had stimulator of interferon genes-associated vasculopathy with onset in infancy (SAVI), six had coatomer protein complex (COPA) syndrome, one had haploinsufficiency of A20, and one had mevalonate kinase deficiency. Pulmonary fibrosis, cyst formation, and ground glass areas were the most common findings in chest tomography of patients with COPA syndrome and SAVI. Janus kinase inhibitors were used to treat most of the patients with SAVI, which stabilized ILD.ILD should be considered carefully in children with AID, especially those with interferonopathy.
Published: 2022

28. Secukinumab in enthesitis-related arthritis and juvenile psoriatic arthritis: a randomised, double-blind, placebo-controlled, treatment withdrawal, phase 3 trial

Author: Hermine I Brunner, Ivan Foeldvari, Ekaterina Alexeeva, Nuray Aktay Ayaz, Inmaculada Calvo Penades, Ozgur Kasapcopur, Vyacheslav G Chasnyk, Markus Hufnagel, Zbigniew Żuber, Grant Schulert, Seza Ozen, Adelina Rakhimyanova, Athimalaipet Ramanan, Christiaan Scott, Betul Sozeri, Elena Zholobova, Ruvie Martin, Xuan Zhu, Sarah Whelan, Luminita Pricop, Alberto Martini, Daniel Lovell, and Nicolino Ruperto
Subjects: Adult, Adolescent, Arthritis, Psoriatic, Immunology, Symptom Flare Up, Arthritis, Juvenile, General Biochemistry, Genetics and Molecular Biology, Treatment Outcome, Double-Blind Method, Rheumatology, Antirheumatic Agents, Humans, Immunology and Allergy, Child
Abstract: BackgroundTreatment options in patients with enthesitis-related arthritis (ERA) and juvenile psoriatic arthritis (JPsA) are currently limited. This trial aimed to demonstrate the efficacy and safety of secukinumab in patients with active ERA and JPsA with inadequate response to conventional therapy.MethodsIn this randomised, double-blind, placebo-controlled, treatment-withdrawal, phase 3 trial, biologic-naïve patients (aged 2 to ResultsA total of 86 patients (median age, 14 years) entered open-label secukinumab in TP1. In TP2, responders (ERA, 44/52; JPsA, 31/34) received secukinumab or placebo. The study met its primary end point and demonstrated a statistically significant longer time to disease flare in TP2 for ERA and JPsA with secukinumab versus placebo (27% vs 55%, HR, 0.28; 95% CI 0.13 to 0.63; pConclusionsSecukinumab demonstrated significantly longer time to disease flare than placebo in children with ERA and JPsA with a consistent safety profile with the adult indications of psoriatic arthritis and axial spondyloarthritis.Trial registration numberNCT03031782.
Published: 2022

29. New-Onset Ocular Myasthenia after Multisystem Inflammatory Syndrome in Children

Author: Pınar Yavuz, Osman Oguz Demir, Yasemin Ozsurekci, Seza Ozen, Banu Anlar, and Goknur Haliloglu
Subjects: Pediatrics, Perinatology and Child Health
Published: 2022

30. A clinical overview of paediatric sarcoidosis: multicenter experience from Turkey

Author: Vafa Guliyeva, Fatma Gul Demirkan, Ramazan Emre Yiğit, Esra Esen, Yagmur Bayındır, Ruya Torun, Gulsah Kılbas, Deniz Gezgin Yıldırım, Gulcin Otar Yener, Mustafa Cakan, Ferhat Demir, Kübra Özturk, Esra Baglan, Selcuk Yuksel, Sevcan A Bakkaloglu, Balahan Bora Makay, Ayşenur Pac Kısaaslan, Merih Oray, Yelda Bilginer, Rukiye Eker Ömeroğlu, Seza Ozen, Betul Sozeri, and Nuray Aktay Ayaz
Subjects: Rheumatology
Abstract: Objectives We aimed to outline the demographic data, clinical spectrum, treatment approach of sarcoidosis in a large group of patients and sought to figure out the variations of early-onset (EOS) and late-onset pediatric sarcoidosis (LOS). Methods The study followed a retrospective-descriptive design, with the analysis of medical records of cases diagnosed as pediatric sarcoidosis. Results Fifty-two patients were included in the study. The median age at disease onset and follow-up duration were 83 (28.2-119) and 24 (6-48) months, respectively. Ten (19.2%) cases had EOS (before 5th birthday) and 42 (80.7%) patients had LOS. The most common clinical findings at the time of the disease onset were ocular symptoms (40.4%) followed by joint manifestation (25%), dermatologic symptoms (13.5%), and features related to multi-organ involvement (11.5%). Anterior uveitis was the most common (55%) one among ocular manifestations. Patients with EOS displayed joint, eye, and dermatological findings more commonly than patients with LOS. The recurrence rate of disease in patients with EOS (5.7%) and LOS (21.1%) were not statistically different (p=0.7). Conclusions Patients with EOS and LOS may present with variable clinical features and studies addressing pediatric sarcoidosis cases in collaboration between disciplines will enhance the awareness of this rare disease among physicians and assist early diagnosis with lesser complications.
Published: 2023

31. Dysregulation of miRNA-30e-3p targeting IL-1β in an international cohort of systemic autoinflammatory disease patients

Author: Tayfun Hilmi Akbaba, Yeliz Z. Akkaya-Ulum, Ezgi Deniz Batu, Federica Penco, Helmut Wittkowski, Benjamin Kant, Marielle E. van Gijn, Dirk Foell, Marco Gattorno, Seza Ozen, and Banu Balci-Peynircioglu
Subjects: Drug Discovery, Molecular Medicine, Genetics (clinical)
Published: 2023

32. OA39 Development of a Childhood Lupus Low Disease Activity State definition: recommendations from the International Childhood Lupus Treat-to-Target Task Force

Author: Eve M D Smith, Amita Aggarwal, Jenny Ainsworth, Eslam Al-Abadi, Tadej Avcin, Lynette Bortey, Jon Burnham, Coziana Ciurtin, Christian M Hedrich, Sylvia Kamphuis, Deborah Levy, Laura Lewandowski, Naomi Maxwell, Eric Morand, Seza Ozen, Clare Pain, Angelo Ravelli, Claudia Saad Magalhaes, Clarissa Pilkington, Dieneke Schonenberg, Chris Scott, Kjell Tullus, and Michael W Beresford
Subjects: Rheumatology, Pharmacology (medical)
Abstract: Background/Aims International interest in development of treat-to-target (T2T) in both childhood-onset systemic lupus erythematosus (cSLE) and adult-onset SLE (aSLE) is increasing. T2T could facilitate more effective and structured use of treatments, aggressively controlling disease activity, preventing organ damage, and improving health-related quality of life. The first step is the selection of an appropriate target. Remission is deemed the ultimate target, but may not be attainable by all. Low disease activity (LDA), based on the principle of “tolerable” disease activity on stable treatment, with low corticosteroid dosage, may be more appropriate for some patients. The aim of this study was to derive a consensus-based cSLE appropriate definition of LDA, building upon existing aSLE definitions to improve applicability to cSLE, whilst maintaining sufficient unity to ensure that future T2T studies including adolescents and adults together are possible. Methods The International cSLE T2T Task Force, including 18 specialists from paediatric rheumatology/nephrology, and adult rheumatology undertook a series of Delphi surveys, exploring views on aSLE LDA targets. Two virtual consensus meetings were held, utilising a modified nominal group technique to debate, modify, and vote upon topics underpinning the cSLE LDA target and its criteria. Agreement of > 80% was considered consensus. Results The task force agreed that the LDA target should encompass cSLE as a whole and be based upon the aSLE Lupus Low Disease Activity State definition (LLDAS), with modifications to make it more applicable to cSLE (cLLDAS, all 100% agreement). A conceptual definition of cLLDAS was defined: ‘A state, which if sustained, is associated with a low likelihood of adverse outcome (considering disease activity, damage, and medication toxicity)’ (100% agreement). Five cLLDAS criteria were agreed, as detailed within Table 1. The final cLLDAS definition was endorsed by the Paediatric Rheumatology European Society (PReS) Executive Council and PReS cSLE Working Party Chair, on behalf of the Society. Conclusion A cSLE, age-appropriate definition of cLLDAS has been generated, preserving sufficient unity with the aSLE LLDAS definition to encourage life-course research. The development and validation of targets has been a key enabler for T2T trials, therefore this initiative represents a significant step forward for cSLE. Disclosure E.M.D. Smith: None. A. Aggarwal: None. J. Ainsworth: None. E. Al-Abadi: None. T. Avcin: None. L. Bortey: None. J. Burnham: None. C. Ciurtin: None. C.M. Hedrich: None. S. Kamphuis: None. D. Levy: None. L. Lewandowski: None. N. Maxwell: None. E. Morand: None. S. Ozen: None. C. Pain: None. A. Ravelli: None. C. Saad Magalhaes: None. C. Pilkington: None. D. Schonenberg: None. C. Scott: None. K. Tullus: None. M.W. Beresford: None.
Published: 2023

33. Feasibility of canakinumab withdrawal in colchicine-resistant familial Mediterranean fever

Author: Seher Sener, Veysel Cam, Ezgi Deniz Batu, Muserref Kasap Cuceoglu, Zeynep Balik, Emil Aliyev, Yagmur Bayindir, Ozge Basaran, Yelda Bilginer, and Seza Ozen
Subjects: Rheumatology, Pharmacology (medical)
Abstract: Objectives There is no consensus on canakinumab treatment tapering and discontinuation strategies in colchicine-resistant FMF patients. In this study, we aimed to establish a treatment management and discontinuation protocol in paediatric FMF patients treated with canakinumab. Methods Fifty-eight FMF patients treated with canakinumab were included. Since 2020, we have applied a protocol based on our experience whereby canakinumab is administered monthly in the first 6 months, followed by bimonthly for 6 months, and a final period of every 3 months (for 6 months). The patients were divided into two groups: 2012–2019 (group A) and 2020–2022 (group B). Results In group A (n = 33), the median duration of canakinumab treatment was 2.5 years [interquartile range (IQR) 1.9–3.7]. A total of 25 of 33 patients discontinued canakinumab after a median of 2.1 years (IQR 1.8–3.4). In two patients, canakinumab was restarted because of relapse. In group B (n = 25), canakinumab was discontinued in 18 patients at the end of 18 months. After a median follow-up of 0.8 years (IQR 0.6–1.1), two patients had a relapse and canakinumab treatment was reinitiated. The remaining 16 patients still have clinically inactive disease and are receiving only colchicine. When we compared the characteristics between groups A and B, there were no significant differences regarding demographics, clinical features, and outcomes. Conclusion This is the largest study in the literature suggesting a protocol for discontinuing canakinumab in paediatric FMF patients. It was possible to discontinue canakinumab successfully in more than half of the patients in 18 months. Thus we suggest that this protocol can be used in paediatric FMF patients.
Published: 2023

34. Two siblings with Majeed syndrome and neutropenia

Author: Muserref Kasap Cuceoglu, Ezgi Deniz Batu, Adalet Elcin Yildiz, Ummusen Kaya Akca, Erdal Atalay, Seher Sener, Zeynep Balik, Ozge Basaran, Yelda Bilginer, and Seza Ozen
Subjects: Rheumatology
Published: 2022

35. A new tool supporting the diagnosis of childhood-onset Behçet’s disease: venous wall thickness

Author: Erdal Atalay, Berna Oguz, Seher Sener, H Nursun Ozcan, Erdal Sag, Ummusen Kaya Akca, Muserref Kasap Cuceoglu, Zeynep Balik, Jale Karakaya, Omer Karadag, Ozge Basaran, Ezgi Deniz Batu, Yelda Bilginer, and Seza Ozen
Subjects: Rheumatology, Pharmacology (medical)
Abstract: Objectives The lower extremity venous wall thickness (VWT) of Behçet’s disease (BD) patients was reported to be significantly increased in adults, suggesting its use for the support of BD diagnosis. This prospective study aimed to investigate the lower extremity VWT in childhood-onset definite and incomplete BD patients and compare it to healthy age-matched controls. Methods Paediatric patients classified with BD according to the 2015 international paediatric BD criteria in our centre were included in the study. Intima-media thickness of the lower extremity veins to evaluate VWT was measured by ultrasonography, including common femoral vein (CFV), femoral vein (FV), vena saphena magna, vena saphena parva and popliteal vein (PV). Results In this cross-sectional study, VWT was measured in 35 patients (63% male) and 27 healthy controls (55% male). Thirteen (37%) of 35 patients met the criteria for the diagnosis of BD. The remaining 22 (63%) had incomplete BD and met two criteria. The median VWT values of both definite and incomplete BD patients were significantly higher than the control group in all veins on both sides. Regarding the best cut-off values of VWT for all lower extremity veins, the sensitivity rates were between 63% and 86%, while specificity rates were between 71% and 100%. Conclusion Increased VWT was present not only in BD patients with vascular involvement but also in those without. We suggest that VWT may be a new criterion in supporting the diagnosis of childhood BD both in definite and incomplete BD patients.
Published: 2022

36. The 2021 EULAR/American College of Rheumatology Points to Consider for Diagnosis, Management and Monitoring of the Interleukin‐1 Mediated Autoinflammatory Diseases: Cryopyrin‐Associated Periodic Syndromes, Tumour Necrosis Factor Receptor‐Associated Periodic Syndrome, Mevalonate Kinase Deficiency, and Deficiency of the Interleukin‐1 Receptor Antagonist

Author: Micol Romano, Z. Serap Arici, David Piskin, Sara Alehashemi, Daniel Aletaha, Karyl Barron, Susanne Benseler, Roberta A. Berard, Lori Broderick, Fatma Dedeoglu, Michelle Diebold, Karen Durrant, Polly Ferguson, Dirk Foell, Jonathan S. Hausmann, Olcay Y. Jones, Daniel Kastner, Helen J. Lachmann, Ronald M. Laxer, Dorelia Rivera, Nicolino Ruperto, Anna Simon, Marinka Twilt, Joost Frenkel, Hal M. Hoffman, Adriana A. de Jesus, Jasmin B. Kuemmerle‐Deschner, Seza Ozen, Marco Gattorno, Raphaela Goldbach‐Mansky, and Erkan Demirkaya
Subjects: Fever, Hereditary Autoinflammatory Diseases, Immunology, Receptors, Interleukin-1, General Biochemistry, Genetics and Molecular Biology, Article, United States, Cryopyrin-Associated Periodic Syndromes, Interleukin 1 Receptor Antagonist Protein, Rheumatology, Child, Preschool, Quality of Life, Humans, Immunology and Allergy, Mevalonate Kinase Deficiency, Inflammatory diseases Radboud Institute for Molecular Life Sciences [Radboudumc 5], Interleukin-1
Abstract: BackgroundThe interleukin-1 (IL-1) mediated systemic autoinflammatory diseases, including the cryopyrin-associated periodic syndromes (CAPS), tumour necrosis factor receptor-associated periodic syndrome (TRAPS), mevalonate kinase deficiency (MKD) and deficiency of the IL-1 receptor antagonist (DIRA), belong to a group of rare immunodysregulatory diseases that primarily present in early childhood with variable multiorgan involvement. When untreated, patients with severe clinical phenotypes have a poor prognosis, and diagnosis and management of these patients can be challenging. However, approved treatments targeting the proinflammatory cytokine IL-1 have been life changing and have significantly improved patient outcomes.ObjectiveTo establish evidence-based recommendations for diagnosis, treatment and monitoring of patients with IL-1 mediated autoinflammatory diseases to standardise their management.MethodsA multinational, multidisciplinary task force consisting of physician experts, including rheumatologists, patients or caregivers and allied healthcare professionals, was established. Evidence synthesis, including systematic literature review and expert consensus (Delphi) via surveys, was conducted. Consensus methodology was used to formulate and vote on statements to guide optimal patient care.ResultsThe task force devised five overarching principles, 14 statements related to diagnosis, 10 on therapy, and nine focused on long-term monitoring that were evidence and/or consensus-based for patients with IL-1 mediated diseases. An outline was developed for disease-specific monitoring of inflammation-induced organ damage progression and reported treatments of CAPS, TRAPS, MKD and DIRA.ConclusionThe 2021 EULAR/American College of Rheumatology points to consider represent state-of-the-art knowledge based on published data and expert opinion to guide diagnostic evaluation, treatment and monitoring of patients with CAPS, TRAPS, MKD and DIRA, and to standardise and improve care, quality of life and disease outcomes.
Published: 2022

37. Biologics for immunoglobulin A vasculitis: targeting vasculitis or comorbid disease?

Author: Bayram Farisogullari, Muserref Kasap Cuceoglu, Hakan Oral, Gozde Kubra Yardimci, Yelda Bilginer, Seza Ozen, and Omer Karadag
Subjects: Adult, Vasculitis, Biological Products, IgA Vasculitis, Emergency Medicine, Internal Medicine, Humans, Child, Rituximab, Immunoglobulin A
Abstract: In this study, we aimed to evaluate the clinical features and treatments, including the use of biological disease-modifying anti-rheumatic drugs (bDMARDs) in a large cohort of pediatric and adult immunoglobulin A vasculitis (IgAV). Since data on the use of bDMARDs in IgAV are very limited, we collated the reasons for use of bDMARDs during the disease course. Patients who were enrolled in the Hacettepe University Vasculitis Research Centre (HUVAC) registry were included. In this prospective database dating from 2014, there were 436 IgAV patients classified as IgAV according to Ankara 2008 and/or American College of Rheumatology 1990 criteria. 88 adults and 330 pediatric IgAV patients were included as the main study group. Concomitant spondyloarthritis (SpA) was observed only in adult patients (10% vs 0% in children, p 0.001). IgAV relapse was more common in adults than in children (p: 0.017). Adult patients were mostly treated with corticosteroid (p 0.001) and conventional synthetic disease-modifying anti-rheumatic drug treatment ( 0.001), while more than half of the pediatric patients were followed up without immunosuppressive treatment. Ten (11%) adult patients used biologics. Among them, two patients used rituximab due to IgAV disease activity, three used infliximab due to SpA, three used etanercept due to SpA (one patient had a pediatric onset enthesitis-related arthritis), and two used anakinra due to recurrent familial Mediterranean fever attacks. This is the first study evaluating the use of all bDMARDs for any reason in the IgAV cohorts in the literature. None of the pediatric patients used biologics. Our data suggest biologics are mainly used for comorbid inflammatory diseases over refractory vasculitis in adult IgAV.
Published: 2022

38. Treatment of childhood-onset Takayasu arteritis: switching between anti-TNF and anti-IL-6 agents

Author: Seher Sener, Ozge Basaran, Ummusen Kaya Akca, Erdal Atalay, Muserref Kasap Cuceoglu, Zeynep Balik, Emil Aliyev, Yagmur Bayindir, Ezgi Deniz Batu, Tuncay Hazirolan, Yelda Bilginer, and Seza Ozen
Subjects: Male, Adolescent, Interleukin-6, Adalimumab, Antibodies, Monoclonal, Humanized, Takayasu Arteritis, Treatment Outcome, Rheumatology, Antirheumatic Agents, Humans, Prednisone, Female, Tumor Necrosis Factor Inhibitors, Pharmacology (medical), Prospective Studies, Child, Immunosuppressive Agents, Acute-Phase Proteins, Retrospective Studies
Abstract: Objectives Biologics are new treatment alternatives in Takayasu arteritis (TA), although data in childhood are limited. The aim of this study was to share our experience in seven childhood-onset TA patients who received a TNF-α inhibitor (adalimumab) or an IL-6 receptor inhibitor (tocilizumab) and the effect of switching therapy. Methods We retrospectively evaluated the medical treatment records of seven patients with TA, followed between August 2005 and January 2021 at the Pediatric Rheumatology Department of Hacettepe University Faculty of Medicine. Results The median age of patients was 14 (IQR 4) years, and six were female. All of the patients had severe disease and high acute-phase reactants. The patients initially received only steroids or steroids+CYC. Prednisone was decreased, and biologic agents were started once the acute phase reactants decreased, and the Indian Takayasu Activity Score (ITAS) returned to normal. Initially, four patients received tocilizumab (TCZ) [median 25.5 (IQR 41) months] and three patients received adalimumab (ADA) [median 13 (IQR 31) months]. However, due to the progression of MR angiography findings or persistent elevation in acute-phase reactants, the biologic agents were switched from TCZ to ADA in four patients and from ADA to TCZ in three patients. The patients' median follow-up time after changing was 50 (IQR 77) months, and median ITAS was evaluated as ‘0’ after 2 (IQR 4) months. Conclusions In conclusion, both TNF-α and IL-6 inhibitors are effective alternatives in treating patients with childhood-onset TA. However, prospective randomized controlled trials are needed for the comparison of their effectiveness.
Published: 2022

39. The performances of the ILAR, ASAS, and PRINTO classification criteria in ERA patients: a comparison study

Author: Ummusen Kaya Akca, Ezgi Deniz Batu, Seher Sener, Zeynep Balik, Muserref Kasap Cuceoglu, Erdal Atalay, Ozge Basaran, Yelda Bilginer, and Seza Ozen
Subjects: Adult, Male, Rheumatology, Spondylarthritis, Humans, Female, Sacroiliitis, General Medicine, Child, Magnetic Resonance Imaging, Arthritis, Juvenile, Retrospective Studies
Abstract: Enthesitis-related arthritis (ERA) could be considered the pediatric equivalent of ankylosing spondylitis in adults albeit with certain significant differences. We aim to evaluate the sensitivity and specificity of the International League of Associations for Rheumatology (ILAR), the Assessment of Spondyloarthritis International Society (ASAS), and the preliminary Pediatric Rheumatology International Trials Organization (PRINTO) classification criteria in ERA patients.The medical records of ERA patients who were followed up between January 2005 and September 2020 have been analyzed. The control group consisted of patients with oligoarticular JIA (n = 146), polyarticular JIA (n = 55), and psoriatic arthritis (n = 20).This retrospective study included 108 ERA (73.1% male) and 221 control patients (25.8% male). The median age at diagnosis for ERA and control patients were 12.5 and 4.0 years, respectively (p 0.001). Arthritis was observed more frequently in the control group at diagnosis and in the follow-up (p 0.001 for both), while enthesitis, sacroiliac joint tenderness, and inflammatory back pain were more common in the ERA group both at diagnosis and in the follow-up (p 0.001 for all). In sacroiliac imaging, 70.1% of ERA patients had positive findings suggestive of sacroiliitis at diagnosis and 78% in the follow-up. The sensitivities of ILAR, PRINTO, ASAS criteria for axial SpA, and peripheral SpA at diagnosis were 74.0%, 57.4%, 21.3%, and 85.1%, respectively which increased to 82.4%, 78.7%, 35.1%, and 92.5%, respectively at follow-up. The specificities were 100%, 100%, 99.1%, and 90.9%, respectively at both diagnosis and follow-up.The ASAS criteria for peripheral SpA were the most sensitive while ILAR and the preliminary PRINTO criteria were the most specific criteria for classifying ERA patients.The ASAS criteria for peripheral SpA were the most sensitive criteria for classifying ERA patients. The use of ASAS axial SpA criteria may provide early detection of axial involvement.
Published: 2022

40. A Child with Refractory and Relapsing Anti-3-Hydroxy-3-Methylglutaryl-Coenzyme A Reductase Myopathy: Case-Based Review

Author: Seher Sener, Ezgi Deniz Batu, Seher Sari, Muserref Kasap Cuceoglu, Adalet Elcin Yildiz, Beril Talim, Ustun Aydingoz, Seza Ozen, and Goknur Haliloglu
Subjects: Neurology, Neurology (clinical)
Abstract: Background/Objective: Anti-3-hydroxy-3-methylglutaryl-coenzyme A reductase (anti-HMGCR) myopathy is rare in children. Here, we present a boy with relapsing refractory anti-HMGCR myopathy along with a systematic literature review. Case Report: 17-year-old boy with five years of muscle weakness, rash, high creatinine kinase (CK) levels, and muscle biopsy compatible with inflammatory myopathy was diagnosed with juvenile dermatomyositis. He was treated with corticosteroids, intravenous immunoglobulin (IVIG), and methotrexate. His muscle weakness improved with this treatment although never completely resolved. CK levels decreased from ∼15000 U/L to ∼3000 U/L. At the age of 15, muscle weakness relapsed after an upper respiratory tract infection; pulse corticosteroid treatment was administered. The re-evaluated muscle biopsy showed a necrotizing pattern and the HMGCR antibody was positive confirming anti-HMGCR myopathy when he was 16. The diagnostic delay was 50 months. Disease activity was monitored by Medical Research Council score, MRI and functional tests. Despite corticosteroids, methotrexate, IVIG, cyclosporine A, and rituximab therapies, muscle weakness improved only slightly during the first three months and remained stable afterwards. Results of the Literature Search: We identified 16 articles describing 50 children (76% female) with anti-HMGCR myopathy by reviewing the English literature up to March 1st, 2022. Proximal muscle weakness was the most common clinical symptom (70.8%). Corticosteroids (84.8%), IVIG (58.7%), and methotrexate (56.5%) were preferred in most cases. Complete remission was achieved in nine patients (28.1%). Conclusion: Diagnosis and management of children with anti-HMGCR myopathy are challenging. Complete remission is achieved in only one third of these patients. Imaging biomarkers may aid treatment.
Published: 2023

41. Impact of the COVID-19 pandemic on the frequency of the pediatric rheumatic diseases

Author: Yasemin Ozsurekci, Seher Sener, Yelda Bilginer, Erdal Atalay, Muserref Kasap Cuceoglu, Seza Ozen, Ezgi Deniz Batu, Zeynep Balık, Ummusen Kaya Akca, and Özge Başaran
Subjects: Male, medicine.medical_specialty, Pediatrics, Adolescent, Immunology, Familial Mediterranean fever, Arthritis, Observational Research, Rheumatology, COVID‐19, Rheumatic Diseases, Internal medicine, Pandemic, Prevalence, medicine, Humans, Immunology and Allergy, Child, Children, Pandemics, Retrospective Studies, business.industry, Medical record, COVID-19, medicine.disease, Coronavirus disease, IgA vasculitis, Child, Preschool, Macrophage activation syndrome, Rheumatic disease, Female, Kawasaki disease, business
Abstract: The impact of the COVID-19 pandemic, and implemented restrictions on the frequency of pediatric rheumatic diseases remain unknown, while they have probably prevented common infections in children. We present the effects of the COVID-19 on our pediatric rheumatology practice in a main referral center. We retrospectively reviewed the medical records of patients presenting to pediatric rheumatology department in 4 years before March 2020 and compared it to the pandemic year (March 2020–March 2021). Since there was an overall decrease in patient numbers, we calculated the percentage according to the total number of that year. A total of 32,333 patients were evaluated. The mean annual number of patients decreased by 42% during the COVID-19 pandemic. When follow-up visits (25,156) were excluded, there were 2818 new diagnoses of rheumatic diseases. In the pre-pandemic period, familial Mediterranean fever (FMF) (n = 695, 28.1%) was the most frequent, whereas in the pandemic period multisystem inflammatory syndrome in children (MIS-C) (n = 68, 19.2%) was the most common diagnosis. There were no significant differences in the percentages of juvenile idiopathic arthritis, autoimmune diseases, rare autoinflammatory diseases, and other vasculitides. However, there was a significant decrease in patients diagnosed with FMF, IgA vasculitis (IgAV), acute rheumatic fever (ARF), classic Kawasaki disease (KD), and macrophage activation syndrome (MAS) (all p
Published: 2021

42. Clinical course of COVID-19 infection in paediatric familial Mediterranean fever patients

Author: Ummusen, Kaya Akca, Seher, Sener, Zeynep, Balık, Sibel, Gurlevik, Pembe Derin, Oygar, Erdal, Atalay, Muserref Kasap, Cuceoglu, Ozge, Basaran, Ezgi Deniz, Batu, Ozlem, Teksam, Yelda, Bilginer, Yasemin, Ozsurekci, and Seza, Ozen
Subjects: Rheumatology, SARS-CoV-2, COVID-19, Humans, Child, Colchicine, Familial Mediterranean Fever
Abstract: Objective To evaluate the course of coronavirus-19 (COVID-19) infection in paediatric familial Mediterranean fever (FMF) patients and to investigate the risk factors for COVID-19 infection. Methods Medical records of 100 consecutive paediatric FMF patients and their COVID-19 infection status were evaluated. Age- and gender-matched control group consisted of 51 patients with positive results for severe acute respiratory syndrome coronavirus 2. Results Twenty-five of 100 paediatric FMF patients were detected to have COVID-19 infection. A history of contact with a COVID-19 case was present in ∼95% of patients in both the FMF and control groups with COVID-19 infection. Asymptomatic infection was detected in two patients in the paediatric FMF group (8.0%) and 17 patients in the control group (33.3%) (P = .017). Mild disease was observed in 23 paediatric FMF patients (92.0%) and 28 control patients (54.9%) (P = .001), whereas moderate disease was present in only 6 control patients (11.7%) (0 vs 11.7%, P = .074). Severe or critical disease was not observed in any patients. Conclusion Paediatric FMF patients receiving colchicine had no moderate COVID-19 disease compared to the control group. We suggest that colchicine use may tune down the severity of the disease even if it does not prevent COVID-19 infection.
Published: 2021

43. Feasibility of Conducting Comparative Effectiveness Research and Validation of a Clinical Disease Activity Score for Chronic Nonbacterial Osteomyelitis

Author: Eveline Y. Wu, Melissa Oliver, Joshua Scheck, Sivia Lapidus, Ummusen Kaya Akca, Shima Yasin, Sara M. Stern, Antonella Insalaco, Manuela Pardeo, Gabriele Simonini, Edoardo Marrani, Xing Wang, Bin Huang, Leonard K. Kovalick, Natalie Rosenwasser, Gabriel Casselman, Adriel Liau, Yurong Shao, Claire Yang, Doaa Mosad Mosa, Lori Tucker, Hermann Girschick, Ronald M. Laxer, Jonathan D. Akikusa, Christian Hedrich, Karen Onel, Fatma Dedeoglu, Marinka Twilt, Polly J. Ferguson, Seza Ozen, and Yongdong Zhao
Abstract: IntroductionProspective comparative effectiveness research in chronic nonbacterial osteomyelitis (CNO) is lacking.ObjectivesStudy objectives were to: 1) determine the use and safety of each consensus treatment plan (CTP) regimen for CNO, 2) the feasibility of usingchronic nonbacterialosteomyelitis international registry (CHOIR) data for comparative effectiveness research, and 3) develop and validate a CNO clinical disease activity score (CDAS) using CHOIR.MethodsConsenting children or young adults with CNO were enrolled into CHOIR. Demographic, clinical, and imaging data were prospectively collected. The CNO CDAS was developed through a Delphi survey and nominal group technique. External validation surveys were administered to CHOIR participants.Results140 (76%) CHOIR participants enrolled between August 2018 and September 2020 received at least one CTP regimen. Baseline characteristics from the three groups were well matched. Patient pain, patient global assessment, and clinical CNO lesion count were key variables included in the CNO CDAS. The CDAS showed a strong correlation with patient/parent report of difficulty using a limb, back, or jaw and patient/parent report of disease severity, but a weak correlation with patient/parent report of fatigue, sadness, and worry. The change in CDAS was significant in patients reporting disease worsening or improvement. The CDAS significantly decreased after initiating second-line treatments from median 12 (8-15.5) to 5 (3-12). While second-line treatments were well tolerated, psoriasis was the most common adverse event.ConclusionThe CNO CDAS was developed and validated for disease monitoring and assessment of treatment effectiveness. CHOIR provided a comprehensive framework for future comparative effectiveness research.Key messagesThechronic nonbacterialosteomyelitis international registry (CHOIR) provides comprehensive prospective data for comparison of treatment effectivenessThe clinical disease activity score (CDAS) has content and construct validity to assess CNO
Published: 2022

44. Hypersensitivity to Biological Treatments in Juvenile Idiopathic Arthritis: How Should It Be Managed?

Author: Muserref Kasap Cuceoglu, Ozge Basaran, Ozge Soyer, and Seza Ozen
Subjects: General Medicine
Abstract: Juvenile idiopathic arthritis (JIA) is one of the most frequent diseases in the practice of pediatric rheumatology. JIA treatments have been modified and improved with the use of biological drugs along with technological innovations. However, different types of hypersensitivity reactions to biological drugs have also been reported. Anaphylaxis and infusion reactions occurring during the intravenous infusion require a critical approach in the acute period. On the other hand, the detection of drug-related late-type reactions and the development of antibodies to the agent highlight the need for an understanding of the drug-induced etiology to prevent the patient from continuing the treatment with the culprit drug. The chronic disease process, concomitant immune dysregulation, and multiple drug use may result in these hypersensitivity reactions. In this review, the hypersensitivity reactions to the biological treatments used in patients with juvenile idiopathic arthritis and the management of these conditions are discussed.
Published: 2022

45. The Comparison of Pediatric Patients with Familial Mediterranean Fever Originated from Turkey and Crimea

Author: Mikhail, Kostik, Ummusen, Akca Kaya, Olga V, Zhogova, Erdal, Sag, Evgeny N, Suspitsin, Viktoriya I, Nizhnik, Anastasiya V, Tumakova, Sergey V, Ivanovskiy, Natalia V, Lagunova, Yelda, Bilginer, and Seza, Ozen
Abstract: We aimed to evaluate the clinical and laboratory features and MEFV allele distribution in Crimean Tatar familial Mediterranean fever patients and to compare them with Turkish familial Mediterranean fever patients and healthy controls.All newly diagnosed familial Mediterranean fever patients with Crimean Tatar nationality (n = 18) in Children's Regional Hospital in Simferopol were enrolled in the study and were compared to 40 familial Mediterranean fever cases followed up at Hacettepe University, Ankara, Turkey. The distribution of MEFV alleles was assessed in the 127 unrelated healthy Crimean Tatar adults aged 20 years or more from different parts of the Crimea peninsula.Age and gender distribution, the frequency of colchicine resistance, and colchicine intolerance were similar between Turkish and Crimean Tatar children with familial Mediterranean fever. The duration of familial Mediterranean fever attack was shorter in Turkish patients than in Crimean Tatar (2.0 vs. 3.0 days, P.001). Chest pain was more frequent in Turkish familial Mediterranean fever patients, whereas arthralgia, arthritis, and erysipeloid rash were more common in Crimean TatarT. MEFV allele distribution in Crimean Tatar was M694V-81%, M680I and V726A 9.5% both, and 68.6%, 14.3%, and 12.9% in Turkish, consequently. Homozygous carriers were 11%, compound-heterozygous was 6%, and heterozygous was 83%, compared to Turkish being 45%, 30%, and 25%, respectively. The allele distribution in healthy Crimean Tatar and Turkish was 10.2% and M694V was 7.1%, M680I was 1.6%, and V726A was 1.6%.The similar MEFV allele prevalence in both populations suggests the high prevalence of familial Mediterranean fever and the high number of undiagnosed patients in the Crimea peninsula. Younger age at onset, shorter duration of attacks, the prevalence of articular involvement, and erysipeloid rash were distinctive features of familial Mediterranean fever in Crimean Tatar.
Published: 2022

46. Clinical features, treatment and outcome of pediatric patients with severe cutaneous manifestations in IgA vasculitis: Multicenter international study

Author: Mario Sestan, Nastasia Kifer, Betul Sozeri, Ferhat Demir, Kadir Ulu, Clovis A. Silva, Reinan T. Campos, Ezgi Deniz Batu, Oya Koker, Matej Sapina, Sasa Srsen, Martina Held, Alenka Gagro, Adriana Rodrigues Fonseca, Marta Rodrigues, Donato Rigante, Giovanni Filocamo, Francesco Baldo, Merav Heshin-Bekenstein, Teresa Giani, Janne Kataja, Marijan Frkovic, Nicolino Ruperto, Seza Ozen, and Marija Jelusic
Subjects: Anesthesiology and Pain Medicine, Settore MED/38 - PEDIATRIA GENERALE E SPECIALISTICA, Rheumatology, Henoch-Schonlein purpura
Published: 2023

47. Meet Our Section Editor

Author: Seza Ozen
Subjects: Rheumatology
Published: 2023

48. Establishing core domain sets for Chronic Nonbacterial Osteomyelitis (CNO) and Synovitis, Acne, Pustulosis, Hyperostosis, Osteitis (SAPHO): A report from the OMERACT 2020 special interest group

Author: Yongdong Zhao, Seza Ozen, Alhanouf Alsaleem, Fatma Dedeoglu, Samir Shah, Sivia K. Lapidus, Athimalaipet V Ramanan, Alexander C. Theos, Melissa Oliver, Aleksander Lenert, Cassyanne L. Aguiar, Karen Onel, A. Jayatilleke, Jonathan D Akikusa, Lori B. Tucker, Anja Schnabel, Matthew C Hollander, Beverley Shea, Farzana Nuruzzaman, Christian M. Hedrich, Polly J. Ferguson, Eveline Y. Wu, Philip J. Mease, Gabriele Simonini, Micol Romano, and Emily Fox
Subjects: Adult, medicine.medical_specialty, Hyperostosis, Core domain, Rheumatology, Synovitis, Acne Vulgaris, medicine, Humans, Child, Osteitis, Acne, business.industry, Osteomyelitis, Acquired Hyperostosis Syndrome, medicine.disease, Pustulosis, Dermatology, Anesthesiology and Pain Medicine, Public Opinion, medicine.symptom, business
Abstract: Objective A working group was established to develop a core domain set (CDS) for Chronic Nonbacterial Osteomyelitis (CNO) and Synovitis, Acne, Pustulosis, Hyperostosis, Osteitis (SAPHO) following the OMERACT filter 2.1. Methods A scoping review to identify disease-related manifestations was performed, followed by a special interest group (SIG) session at OMERACT2020 to begin the CNO/SAPHO CDS framework. Results Candidate items were identified from the scoping review and most fell under Life Impact and Pathophysiology Manifestation core areas. A SIG agreed on the need to develop a CDS for CNO and SAPHO (100%) and for children and adults (91%). Conclusion Based on candidate items identified, qualitative research and Delphi surveys will be performed as next steps.
Published: 2021

49. The role of vascular inflammation markers in deficiency of adenosine deaminase 2

Author: Seza Ozen, Muserref Kasap Cuceoglu, Sule Unal, Erdal Sag, Yelda Bilginer, and Ummusen Kaya Akca
Subjects: medicine.medical_specialty, Adenosine Deaminase, Gastroenterology, Pathogenesis, 03 medical and health sciences, 0302 clinical medicine, Rheumatology, Internal medicine, medicine, Humans, Neurological findings, 030212 general & internal medicine, Inflammation, 030203 arthritis & rheumatology, Vascular inflammation, business.industry, Plasma levels, ADENOSINE DEAMINASE 2, Phenotype, Polyarteritis Nodosa, Anesthesiology and Pain Medicine, Potential biomarkers, Intercellular Signaling Peptides and Proteins, Biomarker (medicine), Tumor Necrosis Factor Inhibitors, business
Abstract: The first objective was to assess the role of vascular inflammatory factors in the pathogenesis of deficiency of adenosine deaminase 2 (DADA2) and to compare these markers among DADA2 patients with different phenotypes. We also aimed to investigate differences between DADA2 patients with vasculitic features and classic polyarteritis nodosa (PAN) for the aforementioned markers.The study included eighteen DADA2 patients, ten PAN patients, and eight healthy controls. Plasma levels of sST2, sRAGE, Tie-2, sCD40L, Tie-1, sFlt-1, LIGHT, TNF-α, PlGF, IL-6, IL-18, IL-10, MCP-1 were studied by cytometric bead-based multiplex assay panel.Among the DADA2 patients, five had hematological manifestations, 13 had vasculitic findings, and accompanying immunological findings were present in seven patients. Nine patients had neurological findings, five of whom had neuropathy. Plasma levels of Tie-1 and sFlt-1 were higher in the overall DADA2 patients compared to healthy controls and PAN patients (p0.001 and p = 0.004, respectively). DADA2 patients with PAN-like features had higher sRAGE, Tie-2, and TNF-α levels compared to PAN patients (p = 0.013, p = 0.003, and p = 0.001, respectively). In DADA2 patients with hematological findings, plasma IL-18 levels were higher than those with PAN-like phenotype (p = 0.001). Finally, DADA2 patients with neuropathy had higher sRAGE concentrations than patients without neuropathy and healthy controls (p = 0.03 and p = 0.008, respectively).We suggest that the high plasma IL-18 levels observed in DADA2 patients with hematologic manifestations may be associated with an activated IFNγ pathway, and lack of response to anti-TNF treatment. We identified sRAGE as a potential biomarker of neuropathy in DADA2 patients. Higher concentrations of Tie-1, Tie-2, sFlt-1, sRAGE, and TNF-α distinguished DADA2 patients with PAN-like features from PAN patients.
Published: 2021

50. Update in familial Mediterranean fever

Author: Seza Ozen
Subjects: Mutation, business.industry, Familial Mediterranean fever, Disease, Pyrin, Gene mutation, medicine.disease, MEFV, medicine.disease_cause, Bioinformatics, Pyrin domain, Familial Mediterranean Fever, Phenotype, Rheumatology, Disease Presentation, Humans, Medicine, Epigenetics, Colchicine, business
Abstract: Purpose of review Familial Mediterranean fever (FMF) is the prototypic autoinflammatory disease. Although the gene associated with the disease was identified 24 years ago, we still have to learn about the pathogenesis of its inflammation and the variation in the phenotype. In this review, we discuss some recent findings in FMF, such as changes in our understanding of the genetics, aims to define new criteria, and factors contributing to the disease presentation. Recent findings We finally have learned why a mutation causing this disease was selected in ancient times; MEFV gene mutations confer resistance to the microbe of plague. A group of experts have outlined recommendations for the analysis of the genetics of FMF. These recommendations complement the new classification criteria, which includes genetic results. In the past year, a number of studies have addressed the contributing factors to the inflammation caused by the mutations in pyrin; this has included epigenetic studies as well. Finally, we have long-term data for the use of anti-IL1 treatment in colchicine-resistant patients. Summary We now have recommendations for assessing genetic analysis of the MEFV gene and how to reliably classify a patient as FMF. We await further data to understand the contributing genetic and environmental factors that affect the inflammation and final phenotype in FMF and the extent of the disease presentation.
Published: 2021

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