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1. HER2-low non-metastatic breast cancer in Qatar—a nationwide retrospective cohort study to evaluate the response to neoadjuvant chemotherapy: a real-world analysis

Author

Ahmed Kardousha, Wafaa Shehada, Ahmed Basha, Sahar Nasser, Mufid El Mistiri, Anas Hamad, Salha Bujassoum Al-Bader, and Shereen Elazzazy

Subjects
breast cancer, Her2- low, neo-adjuvant chemotherapy, non-metastatic, real-world data, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
Abstract

Globally, breast cancer is the most prevalent cancer and one of the leading causes of cancer-related death among women. HER2-low breast cancer represents a recently identified molecular category within breast cancer characterized by tumors displaying only slight overexpression of HER2 or lacking gene amplification. To illustrate, HER2-low tumors typically have an IHC (immune histochemistry) score of 1+ or 2+ with negative amplification. Nonetheless, recent findings indicate that even a slight amplification of HER2 could notably influence both therapeutic responses and prognostic outcomes. Our study aims to unveil the impact of HER2-low expression on the response to anthracycline and taxane-based neoadjuvant chemotherapy (NACT) in comparison to the HER2-negative group in non-metastatic breast cancer. This is a retrospective cohort study. All patients’ profiles with non-metastatic, HER2-low, and HER2-negative breast cancers who were administered neo-adjuvant chemotherapy and had surgery performed within the period spanning from 1 January 2018 to 30 August 2022 were enrolled. HER2-positive breast cancer patients were excluded. The evaluation of patients’ responses was conducted through the examination of surgical pathology reports to compare the two study groups (HER2-low and HER2-negative). The primary objective was evaluating the response to NACT comparing the objective response rate (ORR) in each of the two groups of HER2-low and HER2-negative patients. The total number of patients included was 262 patients; the majority were HER2-low 89% (233/262) vs. 11% (29/262) HER2-negative. An ORR (complete and partial response) to NACT was shown in 71% (185/262) of all patients. The ORR was similar in both groups, 70% (164/233) in the HER2-low group vs. 73% (21/29) in the HER2-negative group, with a statistical difference, OR: 1 (95% CI: 0.8–1), p-value 0.8. Similarly, the pathological complete response (pCR) rate was the same in both study groups at 14%, OR: 0.7 (95% CI: 0.2–3), p-value: 0.6. Interestingly, patients with hormone-positive tumors across both study groups had a higher response rate compared to hormone-negative patients. In the HER2-low cohort, the ORR was higher in patients with hormone-positive tumors in comparison with those with hormone-negative tumors [73% vs. 27%, OR: 0.8 (95% CI:0.8–1), p-value: 0.001]. Comparatively, in the HER2-negative cohort, ORR was also higher in patients with hormone-positive tumors compared to hormone-negative tumors [52% vs. 48%, OR: 2 (95% CI: 1–5), p-value: 0.05]. Subsequently, the ORR of all hormone-positive tumors with a positive outcome (CR or PR) was assessed categorizing the patients based on their HER2 expression. Concerning patients who expressed partial response (N = 115), a statistically significant difference was observed in HER2- low hormone-positive tumors as opposed to HER2-negative hormone-positive tumors [90% vs. 10%, OR: 0.7 (95% CI: 0.5–0.9), p-value: 0.001]. Remarkably, all patients with complete responses were from the HER2-low cohort. Our findings demonstrated a significant influence of HER2-low expression on the response to neoadjuvant chemotherapy among patients with hormone-positive HER2-low breast cancer within the studied cohort. Further studies are needed to evaluate the influence of hormonal expression on the response rate to NACT in the HER2-low patients in our population.

Published
2024
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2. Featuring Trends in the Epidemiology of Lung Cancer Following the Publication of the National Cancer Strategy in Qatar

Author

Wanis H. Ibrahim, Khalid Shariff, Mufid El Mistiri, Ussama Alhomsi, Awni Alshurafa, Khalid Farooqui, Mohammed E. Faris, Khaled A. Aboujabal, Kamel A. Aboujabal, Hafedh Ghazouani, Raza A. Akbar, Muhammad A. Waheed, Reyad H. Mohsen, and Mohsen Eledrisi

Subjects
lung neoplasms, incidence, survival rate, retrospective studies, delivery of health care, qatar, Medicine
Abstract

Objectives: Qatar has witnessed significant reforms in its health care system, including the care of cancer patients. In 2011, the National Cancer Strategy was released with the aim to deliver a high standard of care to cancer patients across the country. We sought to investigate the featuring trends in the epidemiological and clinical characteristics of lung cancer in Qatar following the publication of the National Cancer Strategy. Methods: We conducted a retrospective cohort study documenting the epidemiological and clinical characteristics of primary lung cancer cases in Qatar diagnosed from 1 January 2011 to 31 December 2018. Results: The overall age-standardized incidence rate was 8.7 per 100 000 persons (11.6 per 100 000 and 5.4 per 100 000 persons for males and females, respectively). The one, three, and five-year overall survival rates were 67.0%, 48.0%, and 28.0%, respectively. The three-year overall survival rates for stages I, II, III, and IV were 97.0%, 78.0%, 52.0%, and 31.0%, respectively. The three-year survival rates for males and females were 43.0% and 64.0%, respectively (p = 0.029), for Qatari and non-Qatari nationals were 42.0% and 49.0%, respectively (p = 0.252), and for smokers and non-smokers were 39.0% and 69.0%, respectively (p ≤ 0.001). The overall age-standardized mortality rate was 5.5 per 100 000 persons. Adenocarcinoma was the most common histologic type. Conclusions: Despite the low overall lung cancer incidence rate in Qatar, there is a rise in the incidence among females when compared to previous studies. Qatar has favorable five-year lung cancer survival rates compared to many developed and neighboring countries. Policymakers in the country should consider the changing patterns in lung cancer incidence when planning future preventive strategies.

Published
2021
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3. EPIDEMIOLOGICAL OVERVIEW OF HODGKIN LYMPHOMA ACROSS THE MEDITERRANEAN BASIN

Author

Massimiliano Salati, Marina Cesaretti, Matteo Macchia, Mufid El Mistiri, and Massimo Federico

Subjects
Epidemiology, Hodgkin lymphoma, Mediterranean Area, Diseases of the blood and blood-forming organs, RC633-647.5
Abstract

Hodgkin Lymphoma (HL) is an uncommon neoplasm of B-cell origin with an incidence that varies significantly by age, sex, ethnicity, geographic location and socioeconomic status. This complex pattern was also found to be replicated among Mediterranean basin populations. HL incidence rates progressively decreased from industrialized European countries such as France (ASR=2.61) and Italy (ASR=2.39) to less developed nations such as Albania (ASR=1.34) and Bosnia Herzegovina (ASR=1.1). Regarding HL mortality we have found that countries with the lowest incidence rates show the highest number of deaths from this cancer and viceversa. Finally, a wide gap in terms of survival was showed across the Mediterranean basin with survival rates ranged from 82.3% and 85.1% among Italian men and women, to 53.3 % and 59.3% among Libyan men and women, respectively. Factors such as the degree of socio-economic development, the exposure to risk factors westernization-related, the availability of diagnostic practices along with different genetic susceptibilities to HL may explain its variation across Mediterranean countries. Furthermore, the lack of health resources decisively contribute to the poor prognosis recorded in less developed region. In the future, the introduction of appropriate and accessible treatment facilities along with an adequate number of clinical specialists in the treatment of HL and other cancers are warranted in order to improve the outcomes of affected patients and treat a largely curable type of cancer in disadvantaged regions.

Published
2014
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4. Worldwide trends in population-based survival for children, adolescents, and young adults diagnosed with leukaemia, by subtype, during 2000–14 (CONCORD-3): analysis of individual data from 258 cancer registries in 61 countries

Author

Naomi Ssenyonga, Charles Stiller, Kayo Nakata, Jaime Shalkow, Shelagh Redmond, Jean-Luc Bulliard, Fabio Girardi, Christine Fowler, Rafael Marcos-Gragera, Audrey Bonaventure, Nathalie Saint-Jacques, Pamela Minicozzi, Prithwish De, Miguel Rodríguez-Barranco, Siri Larønningen, Veronica Di Carlo, Margit Mägi, Mikhail Valkov, Karri Seppä, Dyfed Wyn Huws, Michel P Coleman, Claudia Allemani, Sabiha Bouzbid, Mokhtar Hamdi-Chérif, Lamia Kara, Kaouel Meguenni, Derbali Regagba, Sine Bayo, Traore Cheick Bougadari, Shyam Shunker Manraj, Karima Bendahhou, Akinade Ladipo, Olufemi Ogunbiyi, Nontuthuzelo Somdyala, María Agustina Chaplin, Florencia Moreno, Gladis Calabrano, Silvia Espinola, Beatriz Carballo Quintero, Rosalba Fita, Walter Laspada, Susana Ibañez, Carlos Lima, Allini Mafra Da Costa, Paulo César De Souza, Juliana Chaves, Cyntia Laporte, Maria Paula Curado, Jose Carlos de Oliveira, Claudia Veneziano, Donaldo Veneziano, Ana Beatriz Almeida, Maria Latorre, Gulnar Azevedo e Silva, Marise Rebelo, Marceli Santos, Juan Galaz, Mackarena Aparicio Aravena, Jocelyn Sanhueza Monsalve, Denise Herrmann, Solange Vargas, Victor Herrera, Claudia Uribe, Luis Eduardo Bravo, Luz Stella Garcia, Nelson Arias-Ortiz, Daniela Morantes, Daniel Jurado, María Yépez Chamorro, Sandra Delgado, Melissa Ramirez, Yaima Galán Alvarez, Priscila Torres, Fray Martínez-Reyes, Leyda Jaramillo, Rina Quinto, Jhoanna Castillo, Mariela Mendoza, Patricia Cueva, José Yépez, Bernard Bhakkan, Jacqueline Deloumeaux, Clarisse Joachim, Jonathan Macni, Rodolfo Carrillo, Jaime Shalkow Klincovstein, Rebeca Rivera Gomez, Patricia Perez, Ebert Poquioma, Guillermo Tortolero-Luna, Diego Zavala, Rafael Alonso, Enrique Barrios, Angela Eckstrand, Cindy Nikiforuk, Ryan Woods, Gail Noonan, Donna Turner, Eshwar Kumar, Bin Zhang, Jeff Dowden, Gregory Doyle, Gordon Walsh, Aniq Anam, Carol McClure, Kim Vriends, Christine Bertrand, Agnihotram Ramanakumar, Serena Kozie, Heather Stuart-Panko, Tara Freeman, Justin George, Rosa Avila, David O'Brien, Abby Holt, Lyn Almon, Kevin Ward, Sandy Kwong, Cyllene Morris, Randi Rycroft, Lloyd Mueller, Cathryn Phillips, Heather Brown, Betsy Cromartie, Julie Ruterbusch, Ann Schwartz, Gary Levin, Brad Wohler, Rana Bayakly, Scarlett Gomez, Meg McKinley, Rosemary Cress, Joni Davis, Brenda Hernandez, Christopher Johnson, Bozena Morawski, Laura Ruppert, Suzanne Bentler, Mary Charlton, Bin Huang, Thomas Tucker, Dennis Deapen, Lihua Liu, Mei-Chin Hsieh, Xiao-Cheng Wu, Molly Schwenn, Kimberly Stern, Susan Gershman, Richard Knowlton, Georgetta Alverson, Tamara Weaver, Jay Desai, Deirdre Rogers, Jeanette Jackson-Thompson, Debbi Lemons, Heather Zimmerman, Michelle Hood, Jenifer Roberts-Johnson, Whitney Hammond, Judith Rees, Karen Pawlish, Antoinette Stroup, Charles Key, Charles Wiggins, Amy Kahn, Maria Schymura, Soundarya Radhakrishnan, Chandrika Rao, Lynn Giljahn, Roberta Slocumb, Christy Dabbs, Raffaella Espinoza, Karen Aird, Todd Beran, Jim Rubertone, Stephen Slack, Junhie Oh, Tiffany Janes, Stephen Schwartz, Stephanie Chiodini, Deborah Hurley, Martin Whiteside, Saroj Rai, Melanie Williams, Kim Herget, Carol Sweeney, Alison Johnson, Mahesh Keitheri Cheteri, Patti Migliore Santiago, Steven Blankenship, Shawn Farley, Robert Borchers, Robin Malicki, Julia Espinoza, Joseph Grandpre, Brenda Edwards, Angela Mariotto, Hannah Weir, Reda Wilson, Ning Wang, Lei Yang, Jian-Shun Chen, Yu-Tong He, Guo-Hui Song, Xiao-Ping Gu, Dan Mei, Heng-Ming Ge, Tong-Hao Wu, Yan-Yan Li, De-Li Zhao, Feng Jin, Jian-Hua Zhang, Feng-Dong Zhu, Qian Junhua, Yan Lei Yang, Chun-Xiao Jiang, Wang Biao, Jian Wang, Qi-Long Li, He Yi, Xin Zhou, JianMei Dong, WeiWei Li, Fang-Xian Fu, Jian-Guo Chen, Jian Zhu, Yan-Hua Li, Yu-Qiang Lu, Min Fan, Su-Qin Huang, Guo-Ping Guo, Hua Zhaolai, Kuangrong Wei, Wan-Qing Chen, Wenqiang Wei, Hongmei Zeng, Anna Demetriou, Wai Kong Mang, Kai Cheong Ngan, Amal Kataki, Manigreeva Krishnatreya, Padmavathi Amma Jayalekshmi, Paul Sebastian, Preethi George, Aleyamma Mathew, Ambakumar Nandakumar, Reza Malekzadeh, Gholamreza Roshandel, Lital Keinan-Boker, Barbara Silverman, Hidemi Ito, Yuriko Koyanagi, Masako Sato, Fumio Tobori, Ichiro Nakata, Norihiro Teramoto, Masakazu Hattori, Yasuharu Kaizaki, Fumitaka Moki, Hiromi Sugiyama, Mai Utada, Makiko Nishimura, Keiichi Yoshida, Katsuki Kurosawa, Yuji Nemoto, Hiroto Narimatsu, Masahiko Sakaguchi, Seiki Kanemura, Michiko Naito, Rintaro Narisawa, Isao Miyashiro, Daisuke Mori, Mayuko Yoshitake, Izumi Oki, Norimasa Fukushima, Akiko Shibata, Keiichiro Iwasa, Chie Ono, Tomohiro Matsuda, Omar Nimri, Kyu-Won Jung, Young-Joo Won, Eiman Alawadhi, Amani Elbasmi, Azizah Ab Manan, Farzaana Adam, Erdenekhuu Nansalmaa, Undarmaa Tudev, Chimedsuren Ochir, Al Hareth Al Khater, Mufid El Mistiri, Gek Hsiang Lim, Yik Ying Teo, Chun-Ju Chiang, Wen-Chung Lee, Rangsiya Buasom, Suleeporn Sangrajrang, Krittika Suwanrungruang, Patravoot Vatanasapt, Karnchana Daoprasert, Donsuk Pongnikorn, Atit Leklob, Somphob Sangkitipaiboon, Sarayut Geater, Hutcha Sriplung, Okan Ceylan, Iskender Kög, Oya Dirican, Tülay Köse, Tulın Gurbuz, Füsun Emine Karašahin, Duygu Turhan, Umut Aktaş, Yakup Halat, Sultan Eser, Cankut Yakut, Merve Altinisik, Yasar Cavusoglu, Ayşe Türkköylü, Nuršen Üçüncü, Monika Hackl, Anna Zborovskaya, Olga Aleinikova, Kris Henau, Liesbet Van Eycken, Trayan Atanasov, Zdravka Valerianova, Mario Šekerija, Ladislav Dušek, Miroslav Zvolský, Lina Steinrud Mørch, Hans Storm, Charlotte Wessel Skovlund, Kaire Innos, Nea Malila, Jérémie Jégu, Michel Velten, Edouard Cornet, Xavier Troussard, Anne-Marie Bouvier, Anne-Valérie Guizard, Véronique Bouvier, Guy Launoy, Sandrine Dabakuyo Yonli, Marie-Laure Poillot, Marc Maynadié, Morgane Mounier, Lina Vaconnet, Anne-Sophie Woronoff, Mélanie Daoulas, Michel Robaszkiewicz, Jacqueline Clavel, Claire Poulalhon, Emmanuel Desandes, Brigitte Lacour, Isabelle Baldi, Camille Pouchieu, Brice Amadeo, Gaëlle Coureau, Alain Monnereau, Magali Audoin, Tania D'Almeida, Séverine Boyer, Karima Hammas, Brigitte Trétarre, Marc Colonna, Patricia Delafosse, Sandrine Plouvier, Anne Cowppli-Bony, Florence Molinié, Simona Bara, Olivier Ganry, Bénédicte Lapôtre-Ledoux, Laetitia Daubisse-Marliac, Nadine Bossard, Jacques Estève, Zoé Uhry, Roland Stabenow, Heide Wilsdorf-Köhler, Andrea Eberle, Sabine Luttmann, Imma Löhden, Alice Nennecke, Joachim Kieschke, Eunice Sirri, Christina Justenhoven, Sylke Zeissig, Bernd Holleczek, Nora Eisemann, Alexander Katalinic, Rachelle Asquez, Vijay Kumar, Eleni Petridou, Elínborg Ólafsdóttir, Laufey Tryggvadóttir, Deirdre Murray, Paul Walsh, Hildrun Sundseth, Guido Mazzoleni, Fabio Vittadello, Enzo Coviello, Francesco Cuccaro, Rocco Galasso, Giuseppe Sampietro, Michele Magoni, Antonino Ardizzone, Angelo D'Argenzio, Alessia Anna Di Prima, Antonella Ippolito, Anna Maria Lavecchia, Antonella Sutera Sardo, Gemma Gola, Paola Ballotari, Erica Giacomazzi, Stefano Ferretti, Luigino Dal Maso, Diego Serraino, Maria Vittoria Celesia, Rosa Angela Filiberti, Fabio Pannozzo, Anna Melcarne, Fabrizio Quarta, Anita Andreano, Antonio Giampiero Russo, Giuliano Carrozzi, Claudia Cirilli, Luca Cavalieri d'Oro, Magda Rognoni, Mario Fusco, Maria Francesca Vitale, Mario Usala, Rosanna Cusimano, Walter Mazzucco, Maria Michiara, Paolo Sgargi, Lorenza Boschetti, Giorgio Chiaranda, Pietro Seghini, Milena Maule, Franco Merletti, Eugenia Spata, Rosario Tumino, Pamela Mancuso, Massimo Vicentini, Tiziana Cassetti, Romano Sassatelli, Fabio Falcini, Stefania Giorgetti, Anna Luisa Caiazzo, Rossella Cavallo, Daniela Piras, Francesca Bella, Anselmo Madeddu, Anna Clara Fanetti, Sergio Maspero, Simona Carone, Antonia Mincuzzi, Giuseppa Candela, Tiziana Scuderi, Maria Adalgisa Gentilini, Roberto Rizzello, Stefano Rosso, Roberto Zanetti, Adele Caldarella, Teresa Intrieri, Fortunato Bianconi, Fabrizio Stracci, Paolo Contiero, Giovanna Tagliabue, Massimo Rugge, Manuel Zorzi, Simonetta Beggiato, Angelita Brustolin, Roberta De Angelis, Gemma Gatta, Anita Maurina, Marija Oniščuka, Mohsen Mousavi, Nadezda Lipunova, Ieva Vincerzevskienė, Dominic Agius, Neville Calleja, Sabine Siesling, Otto Visser, Tom Johannesen, Maciej Trojanowski, Tomasz Mierzwa, Jadwiga Rachtan, Kamila Kępska, Beata Kościańska, Joanna Wójcik-Tomaszewska, Marcin Motnyk, Anna Gos, Magdalena Bielska-Lasota, Joanna Didkowska, Urszula Wojciechowska, Gonçalo Forjaz de Lacerda, Raul Rego, Branca Carrito, Ana Pais, Maria José Bento, Jessica Rodrigues, Antonio Lourenço, Alexandra Mayer-da-Silva, Luminita Blaga, Daniela Coza, Lubov Gusenkova, Olga Lazarevich, Olga Prudnikova, Dmitri Mikhailovich Vjushkov, Alla Egorova, Andrey Orlov, Lidiya Pikalova, Lilia Zhuikova, Juraj Adamcik, Chakameh Safaei Diba, Vesna Zadnik, Tina Zagar, Marta De-La-Cruz, Arantza Lopez-de-Munain, Araceli Aleman, Dolores Rojas, Rosario Jiménez Chillarón, Ana Isabel Marcos Navarro, Montse Puigdemont, María-José Sánchez Perez, Paula Franch Sureda, Maria Ramos Montserrat, Maria Dolores Chirlaque López, Antonia Sánchez Gil, Eva Ardanaz, Marcela Guevara, Adela Cañete-Nieto, Rafael Peris-Bonet, Marià Carulla, Jaume Galceran, Fernando Almela, Consol Sabater, Staffan Khan, David Pettersson, Paul Dickman, Katharina Staehelin, Benjamin Struchen, Christian Herrmann, Seyed Mohsen Mousavi, Céline Egger Hayoz, Christine Bouchardy, Robin Schaffar, Philip Went, Manuela Maspoli-Conconi, Claudia Kuehni, Andrea Bordoni, Laura Ortelli, Arnaud Chiolero, Isabelle Konzelmann, Sabine Rohrmann, Miriam Wanner, John Broggio, Jem Rashbass, Deirdre Fitzpatrick, Anna Gavin, David Morrison, Catherine Thomson, Giles Greene, Dyfed Huws, Michel Coleman, Melissa Matz, Natalia Sanz, Richard Stephens, Elizabeth Chalker, Mirka Smith, Jessica Gugusheff, Hui You, Shu Qin Li, Sarah Dugdale, Julie Moore, Shoni Philpot, Rhonda Pfeiffer, Helen Thomas, Bruna Silva Ragaini, Alison Venn, Sue Evans, Luc Te Marvelde, Vedrana Savietto, Richard Trevithick, David Currow, Chris Lewis, Ssenyonga, Naomi, Stiller, Charle, Nakata, Kayo, Shalkow, Jaime, Redmond, Sheilagh, Bulliard, Jean-Luc, Girardi, Fabio, Fowler, Christine, Marcos-Gragera, Raphael, Bonaventure, Audrey, Saint-Jacques, Nathalie, Minicozzi, Pamela, De, Prithwish, Rodríguez-Barranco, Miguel, Larønningen, Siri, Di Carlo, Veronica, Mägi, Margit, Valkov, Mikhail, Seppä, Karri, Wyn Huws, Dyfed, Coleman, Michel P, Allemani, Claudia, and Mazzucco, Walter

Subjects
Adolescent, Australia, 610 Medicine & health, lymphoma, Settore MED/42 - Igiene Generale E Applicata, survival, United States, Europe, Leukemia, Myeloid, Acute, Young Adult, children, population-based/cancer registry, 360 Social problems & social services, survival, leukemia, cancer registry, Hematologic Neoplasms, leukaemia, Pediatrics, Perinatology and Child Health, Developmental and Educational Psychology, cancer, Humans, Registries, haematological malignancy, Child
Abstract

BACKGROUND Leukaemias comprise a heterogenous group of haematological malignancies. In CONCORD-3, we analysed data for children (aged 0-14 years) and adults (aged 15-99 years) diagnosed with a haematological malignancy during 2000-14 in 61 countries. Here, we aimed to examine worldwide trends in survival from leukaemia, by age and morphology, in young patients (aged 0-24 years). METHODS We analysed data from 258 population-based cancer registries in 61 countries participating in CONCORD-3 that submitted data on patients diagnosed with leukaemia. We grouped patients by age as children (0-14 years), adolescents (15-19 years), and young adults (20-24 years). We categorised leukaemia subtypes according to the International Classification of Childhood Cancer (ICCC-3), updated with International Classification of Diseases for Oncology, third edition (ICD-O-3) codes. We estimated 5-year net survival by age and morphology, with 95% CIs, using the non-parametric Pohar-Perme estimator. To control for background mortality, we used life tables by country or region, single year of age, single calendar year and sex, and, where possible, by race or ethnicity. All-age survival estimates were standardised to the marginal distribution of young people with leukaemia included in the analysis. FINDINGS 164 563 young people were included in this analysis: 121 328 (73·7%) children, 22 963 (14·0%) adolescents, and 20 272 (12·3%) young adults. In 2010-14, the most common subtypes were lymphoid leukaemia (28 205 [68·2%] patients) and acute myeloid leukaemia (7863 [19·0%] patients). Age-standardised 5-year net survival in children, adolescents, and young adults for all leukaemias combined during 2010-14 varied widely, ranging from 46% in Mexico to more than 85% in Canada, Cyprus, Belgium, Denmark, Finland, and Australia. Individuals with lymphoid leukaemia had better age-standardised survival (from 43% in Ecuador to ≥80% in parts of Europe, North America, Oceania, and Asia) than those with acute myeloid leukaemia (from 32% in Peru to ≥70% in most high-income countries in Europe, North America, and Oceania). Throughout 2000-14, survival from all leukaemias combined remained consistently higher for children than adolescents and young adults, and minimal improvement was seen for adolescents and young adults in most countries. INTERPRETATION This study offers the first worldwide picture of population-based survival from leukaemia in children, adolescents, and young adults. Adolescents and young adults diagnosed with leukaemia continue to have lower survival than children. Trends in survival from leukaemia for adolescents and young adults are important indicators of the quality of cancer management in this age group. FUNDING Children with Cancer UK, the Institut National du Cancer, La Ligue Contre le Cancer, Centers for Disease Control and Prevention, Swiss Re, Swiss Cancer Research foundation, Swiss Cancer League, Rossy Family Foundation, US National Cancer Institute, and the American Cancer Society.

Published
2022
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5. Cancer incidence, mortality, and survival in Eastern Libya: updated report from the Benghazi Cancer Registry

Author

Adel M. Attia, Luigi Marcheselli, Claudia Allemani, Devon Spika, Massimiliano Salati, Faraj Alhomri, Massimo Federico, Mufid El Mistiri, and Salah Habil

Subjects
Adult, Male, medicine.medical_specialty, Pediatrics, Adolescent, Epidemiology, Libya, Causes of cancer, Young Adult, Age Distribution, Prostate, Risk Factors, Internal medicine, Cancer survival, Northern Africa, Population-based cancer registry, Aged, Aged, 80 and over, Child, Child, Preschool, Epidemiologic Studies, Female, Humans, Infant, Infant, Newborn, Middle Aged, Neoplasms, Population Surveillance, Registries, Sex Distribution, Survival Analysis, Medicine (all), medicine, Young adult, Survival analysis, Relative survival, business.industry, Cancer, medicine.disease, Cancer registry, medicine.anatomical_structure, business
Abstract

Purpose Despite the increasing burden of cancer occurred over recent years in the African continent, epidemiologic data from Northern Africa area have been so far sparse or absent. We present most recently available data from the Benghazi Cancer Registry concerning cancer incidence and mortality as well as the most comprehensive survival data set so far generated for cases diagnosed during 2003 to 2005 in Eastern Libya. Methods We collected and analyzed data on cancer incidence, mortality and survival that were obtained over a 3-year study period from January 1st 2003 to December 31st 2005 from the Benghazi Cancer Registry. Results A total of 3307 cancer patients were registered among residents during the study period. The world age-standardized incidence rate for all sites was 135.4 and 107.1 per 100,000 for males and females, respectively. The most common malignancies in men were cancers of lung (18.9%), colorectum (10.4%), bladder (10.1%), and prostate (9.4%); among women, they were breast (23.2%), colorectum (11.2%), corpus uteri (6.7%), and leukemia (5.1%). A total of 1367 deaths for cancer were recorded from 2003 to 2005; the leading causes of cancer death were cancers of the lung (29.3%), colorectum (8.2%), and brain (7.3%) in males and cancers of breast (14.8%), colorectum (10.6%), and liver (7%) in females. The 5-year relative survival for all cancer combined was 22.3%; survival was lower in men (19.8%) than in women (28.2%). Conclusions This study provides an updated report on cancer incidence, mortality, and survival, in Eastern Libya which may represent a useful tool for planning future interventions toward a better cancer control.

Published
2014

6. EPIDEMIOLOGICAL OVERVIEW OF HODGKIN LYMPHOMA ACROSS THE MEDITERRANEAN BASIN

Author

Marina Cesaretti, Mufid El Mistiri, Matteo Macchia, Massimo Federico, and Massimiliano Salati

Subjects
Mediterranean climate, medicine.medical_specialty, Pathology, business.industry, Epidemiology, lcsh:RC633-647.5, Incidence (epidemiology), Ethnic group, Cancer, Hematology, Review Article, lcsh:Diseases of the blood and blood-forming organs, medicine.disease, Mediterranean Basin, Infectious Diseases, medicine, Location, business, Mediterranean Area, Socioeconomic status, Hodgkin lymphoma, Demography
Abstract

The epidemiology of Hodgkin lymphoma (HL) has always been a source of fascination to researchers due to its heterogeneous characteristics of presentation. HL is an uncommon neoplasm of B-cell origin with an incidence that varies significantly by age, sex, ethnicity, geographic location and socioeconomic status. This complex pattern was also found to be replicated among Mediterranean basin populations. HL incidence rates progressively decreased from industrialized European countries such as France (ASR=2.61) and Italy (ASR=2.39) to less developed nations such as Albania (ASR=1.34) and Bosnia Herzegovina (ASR=1.1). Regarding HL mortality we have found that countries with the lowest incidence rates show the highest number of deaths from this cancer and viceversa. Finally, a wide gap in terms of survival was showed across the Mediterranean basin with survival rates ranged from 82.3% and 85.1% among Italian men and women, to 53.3 % and 59.3% among Libyan men and women, respectively. Factors such as the degree of socio-economic development, the exposure to risk factors westernization-related, the availability of diagnostic practices along with different genetic susceptibilities to HL may explain its variation across Mediterranean countries. Furthermore, the lack of health resources decisively contribute to the poor prognosis recorded in less developed region. In the future, the introduction of appropriate and accessible treatment facilities along with an adequate number of clinical specialists in the treatment of HL and other cancers are warranted in order to improve the outcomes of affected patients and treat a largely curable type of cancer in disadvantaged regions.

Published
2014

7. Modification and Implementation of NCCN Guidelines™ on Breast Cancer in the Middle East and North Africa Region

Author

Ahmed Saadedin, Menar Mohamed Ayoub, Mohammad Jahanzeb, Mufid El-Mistiri, Mervat Al Saleh, Huda Abdulkareem, Heba Elzahwary, Lobna Sedky, El Siah Hassan Sayd, Nagi S. El Saghir, Dorria Salem, Mohammed Jaloudi, Omalkhair Abulkhair, Neelam Siddiqui, Nuha Birido, Sami Khatib, Alaa Kandil, William I. Gradishar, Fawaz Deirawan, Sana Al Sukhun, Salah Fayaz, Nadia Al-Eissa, and Fady Geara

Subjects
Adult, medicine.medical_specialty, Quality Assurance, Health Care, Genetic counseling, MEDLINE, Developing country, Breast Neoplasms, Genetic Counseling, Mastectomy, Segmental, Health Services Accessibility, Middle East, Breast cancer, Africa, Northern, Nursing, Phyllodes Tumor, Risk Factors, Health care, Humans, Mass Screening, Medicine, Early Detection of Cancer, Mass screening, Neoplasm Staging, Evidence-Based Medicine, Sentinel Lymph Node Biopsy, business.industry, Incidence, Carcinoma, Ductal, Breast, Age Factors, Cancer, Evidence-based medicine, Middle Aged, Prognosis, medicine.disease, United States, Arabs, Carcinoma, Intraductal, Noninfiltrating, Oncology, Chemotherapy, Adjuvant, Lymphatic Metastasis, Family medicine, Female, Radiotherapy, Adjuvant, business
Abstract

Published data from the Middle East and North Africa (MENA) region indicate suboptimal quality of cancer care, while the World Health Organization predicts an increase in cancer cases in developing countries. Major advances in breast cancer management mandate the development of guidelines to improve the quality and efficacy of oncology practice in the MENA region. A Breast Cancer Regional Guidelines Committee was organized and activated, comprising experts from various regional cancer institutions. The multidisciplinary team included 12 medical oncologists, 3 radiation oncologists, 2 radiologists, 2 surgeons, and 1 pathologist. The committee members agreed on adapting the current NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) on Breast Cancer for use in the MENA region to achieve common practice standards for treating patients. The members suggested several modifications to the guidelines, especially those related to risk factor profiles. United States-based NCCN experts reviewed these recommendations before final approval. The MENA-NCCN Breast Cancer Guidelines modification process was the first initiative in the development of common practice guidelines in the region. This project may serve as a foundation for the development of evidence-based practice standards, and improve collaborative projects and initiatives.

Published
2010
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