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Background: Psoriatic arthritis (PsA) is a complex inflammatory disease with varied clinical characteristics. A pathognomonic characteristic of PsA is enthesitis. Entheseal inflammation ultimately leads to the production of new bone (enthesophytes). Dickkopf-related protein-1 (DKK-1) is a wingless (Wnt) inhibitor that inhibits osteoblast function., Objectives: Assessment of the serum level of DKK-1 and its association with disease activity and enthesopathy in PsA patients., Methods: This observational case-control study included 50 PsA patients and 50 healthy volunteers matched for age and gender. All participants were subjected to full medical history, clinical assessment, PSA activity using Disease Activity Index for Psoriatic Arthritis (DAPSA) score, the severity and extent of psoriasis were determined by the Psoriasis Area and Severity Index (PASI). Ultrasonographic assessment of the entheses was done in accordance with the Madrid Sonographic Enthesitis Index (MASEI). Serum level of DKK-1 and correlation with disease activity and enthesopathy in PsA patients were assessed., Results: There was no significant difference between patients and controls regarding age and sex. The mean value of SPARCC index, DAPSA score and PASI score were 6.74±4.58, 33.24±15.26, and 8.35±10.93, respectively. There was significant difference between patients and controls regarding the serum levels of DKK-1 and MASEI score (p<0.0001). There was a significant positive correlation between serum DKK-1 and MASEI (r: 0.43527, p: 0.00158), MASEI inflammatory (r: 0.37958, p: 0.00655), and MASEI damage (r: 0.38384, p: 0.00593)., Conclusions: Serum DKK-1 levels were elevated in PsA patients and were found to be correlated with MASEI score for enthesopathy., (Copyright © 2023 Elsevier España, S.L.U. and Sociedad Española de Reumatología y Colegio Mexicano de Reumatología. All rights reserved.)

Background: Developments in outcome measures in the rheumatic diseases are promoted by the development of successful treatments. Giant cell arteritis (GCA) is a multifaceted disorder and, therefore, measurement of multiple outcomes is relevant to this illness. It is a privilege to analyze and monitor/transfer long-term patients' management outcomes particularly if the same outcomes are used in practice and in trials., Objective: To classify the outcome measures for GCA with a discriminative ability to identify the disease activity status and response to therapy., Methods: This study was composed of two steps, instrument design (item generation) and judgmental evidence. A panel of 13 experts was used to validate the instrument through quantitative (content validity) and qualitative (cognitive interviewing) methods. Content validity index was used to assess content validity quantitatively., Results: Five items achieved high content validity where item-content validity index score was >0.79, and in the meantime achieved high content validity response score reflecting greater agreement among panel members. Through qualitative methods, items were improved until saturation was achieved. This agreed with the expert panel ranking of the items included in GCA disease outcome measures set., Conclusion: For daily clinical practice, outcome measures should reflect the patients' disease activity status and have to be easily assessed and recorded. The study identified composite outcome measures for GCA able to assess the disease state and monitor response to therapy. Key Points • Despite the cohort studies published in giant cell arteritis (GCA), there are no fully validated outcome measures for use in standard practice or clinical trials. • There is a gap in international standards for assessing GCA disease activity. • Identifying disease specific outcome measures is vital for monitoring response to therapy, treatment case series and therapeutic clinical trials in GCA. • This study was carried out aiming to classify the outcome measures for GCA with a discriminative ability to identify the disease activity status and response to therapy., (© 2023. The Author(s), under exclusive licence to International League of Associations for Rheumatology (ILAR).)

Objectives: Assessment of serum levels of IL-23 in PsA patients and its correlation with depression, anxiety, and disease activity., Methods: Eighty psoriatic arthritis (PsA) patients and eighty healthy volunteers matched for age and gender were included in this observational case-control study. All participants suspected to detailed history, clinical assessment, PsA activity using Disease Activity Index for Psoriatic Arthritis (DAPSA) score, the severity and extent of psoriasis was assessed by the Psoriasis Area and Severity Index (PASI), and ultrasonographic assessments of the entheses were examined according to the Madrid Sonographic Enthesitis Index (MASEI). Depression and anxiety were assessed by Hospital Anxiety and Depression Scale (HADS). Serum IL-23 was measured and correlated with disease activity, depression, and anxiety., Results: There was no significant difference between patients and controls regarding demographic data. Thirty-six PsA patients (45%) had anxiety and 28 patients (35%) had depression, while in the control group, 16 persons (20%) had anxiety and 12 (15%) had depression, with significant differences between the 2 groups (p < 0.0001). There were significant differences in HADS anxiety and depression scores between patients and controls with significant positive correlations between HADS depression, anxiety scores and IL-23, DAPSA, PASI, and MASEI scores (p < 0.05). IL-23 was positively correlated with DAPSA, PASI, and HADS scores; we observed that interleukin 23, higher DAPSA, and PASI were independently associated with depression and anxiety., Conclusion: Serum interleukin-23 levels were elevated in PsA patients and were found to be correlated with depression, anxiety, and disease activity. Key Points • Psoriatic arthritis is a multidimensional disorder with psychiatric drawbacks. • Interleukin-23 is a proinflammatory cytokines that was correlated with depression and anxiety in PsA patients. • Interleukin-23 was correlated with disease activity in PsA. • Depression and anxiety were positively correlated with disease activity in PsA., (© 2022. The Author(s).)

Objective: The aim of this study was to reach a consensus on an updated version of the recommendations for the diagnosis and Treat-to-Target management of osteoporosis that is effective and safe for individuals with chronic kidney disease (CKD) G4-G5D/kidney transplant., Methods: Delphi process was implemented (3 rounds) to establish a consensus on 10 clinical domains: (1) study targets, (2) risk factors, (3) diagnosis, (4) case stratification, (5) treatment targets, (6) investigations, (7) medical management, (8) monitoring, (9) management of special groups, (10) fracture liaison service. After each round, statements were retired, modified, or added in view of the experts' suggestions, and the percent agreement was calculated. Statements receiving rates of 7-9 by more than 75% of experts' votes were considered as achieving consensus., Results: The surveys were sent to an expert panel ( n = 26), of whom 23 participated in the three rounds (2 were international experts and 21 were national). Most of the participants were rheumatologists (87%), followed by nephrologists (8.7%), and geriatric physicians (4.3%). Eighteen recommendations, categorized into 10 domains, were obtained. Agreement with the recommendations (rank 7-9) ranged from 80 to 100%. Consensus was reached on the wording of all 10 clinical domains identified by the scientific committee. An algorithm for the management of osteoporosis in CKD has been suggested., Conclusion: A panel of international and national experts established a consensus regarding the management of osteoporosis in CKD patients. The developed recommendations provide a comprehensive approach to assessing and managing osteoporosis for all healthcare professionals involved in its management., Competing Interests: The authors have no conflicts of interest to declare., (Copyright © 2022 by The Author(s). Published by S. Karger AG, Basel.)