Abstract Number: 2593 • ACR Convergence 2024

A Long-term Synovial Tissue 3D Model Incorporating Fibroblasts, Macrophages, Endothelial Cells, and Other Immune Cells Such as Innate Lymphoid Cells Enables Animal Model-Independent Rheumatoid Arthritis Research

Miriam Bollmann¹, Oskar Landberg², Negar Ayoubzadeh², Charlotte A. Jonsson², Inger Gjertsson² and Mattias Svensson², ¹University of Gothenburg, Göteborg, Sweden, ²University of Gothenburg, Gothenburg, Sweden

Abstract Number: 2619 • ACR Convergence 2024

Safety Outcomes of Routine Blood Tests for Monitoring of Biologic and Targeted Synthetic Therapies in Inflammatory Arthritis Patients

Tali Eviatar¹, Iftach Sagy², Elad Brav², Amir Bieber³, Victoria Furer⁴ and Ori Elkayam⁵, ¹Tel Aviv Medical Center, Ramat Gan, HaMerkaz, Israel, ²Soroka Medical Cenrter, beer sheva, Israel, ³Emek Medical Center, Clalit Health Services, Raanana, Israel, ⁴Tel Aviv Medical Center, Tel Aviv, Israel, ⁵Tel Aviv Sourasky Medical Center, Tel Aviv, Israel

Abstract Number: 2611 • ACR Convergence 2024

Continuation versus Temporary Interruption of Immunomodulatory Agents in Case of an Infection in IRD Patients: Results of a Randomized Controlled Trial

Merel Opdam¹, Nathan den Broeder², Reinout van Crevel³, Lisa Schapink⁴, Léon Raijmakers⁴, Jasper Broen⁵, Lise Verhoef⁴ and Alfons den Broeder¹, ¹Sint Maartenskliniek, Ubbergen, Netherlands, ²Sint Maartenskliniek, Ubbergen, Gelderland, Netherlands, ³Radboudumc, Nijmegen, Netherlands, ⁴Sint Maartenskliniek, Nijmegen, Netherlands, ⁵Máxima Medical Centre, Eindhoven, Netherlands

Abstract Number: 2616 • ACR Convergence 2024

Associations of Circulating Inflammatory Cytokines with Long COVID Among Patients with Systemic Autoimmune Rheumatic Diseases

Jeffrey Sparks¹, Xiaosong Wang², Pui Lee³, Kailey Brodeur⁴, Miao Lin⁵, Naomi Patel⁵, Yumeko Kawano⁶, Abigail Schiff⁷, Andrew King⁵, Jennifer Hanberg⁶, Shruthi Srivatsan⁵, Emily Kowalski⁶, Colebrook Johnson⁵, Kathleen Vanni⁶, Zachary Williams⁵, Grace Qian², Caleb Bolden⁵, Kevin Mueller⁶, Katarina Bade⁶, Alene Saavedra⁶, Rathnam Venkat⁸ and Zachary Wallace⁹, ¹Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA, Boston, MA, ²Brigham and Women’s Hospital, Boston, MA, ³Boston Children's Hospital, Newton, MA, ⁴Boston Children's Hospital, Cumberland, RI, ⁵Massachusetts General Hospital, Boston, MA, ⁶Brigham and Women's Hospital, Boston, MA, ⁷Brigham and Women's Hospital, Cambridge, MA, ⁸Tufts University School of Medicine, Boston, MA, ⁹Massachusetts General Hospital, Newton, MA

Abstract Number: 2638 • ACR Convergence 2024

Defining Sonographic Enthesitis in Psoriatic Arthritis: Developing a Data- and Expert-driven Diagnostic Criteria for Inflammatory Enthesitis at the Single Enthesis Level

Andre Lucas Ribeiro¹, Sibel Aydin², Gurjit Kaeley³, Fahmeen Afgani⁴, Catherine Bakewell⁵, Marcos Rosemffet⁶, Minna Kohler⁷, Amir Haddad⁸, Maria S. Stoenoiu⁹, Ari Polachek¹⁰, josefina marin¹¹, Arnon Katz¹² and Lihi Eder¹³, ¹Women's College Hospital & University of Toronto, Porto Alegre, Rio Grande do Sul, Brazil, ²University of Ottawa - Ottawa, Ottawa, ON, Canada, ³UF COM-J, Ponte Vedra Beach, FL, ⁴Women's College Hospital, Toronto, Canada, ⁵Intermountain Healthcare, Salt Lake City, UT, ⁶Instituto de Rehabilitación Psicofísica, Capital Federal, Argentina, ⁷Massachusetts General Hospital, Boston, MA, ⁸Carmel Medical Centre, Haifa, Israel, ⁹Cliniques Universitaires Saint-Luc, Brussels, Belgium, ¹⁰Tel-Aviv Medical Center, Tel-Aviv, Israel, Petah-Tikva, Israel, ¹¹Hospital Italiano de Buenos Aires, buenos aires, Argentina, ¹²GRAPPA - Patient Research Partner, Haifa, Israel, ¹³University of Toronto, Women’s College Hospital and Department of Medicine, Toronto, ON, Canada

Abstract Number: 2603 • ACR Convergence 2024

A Human Lupus Gut Pathobiont Accelerates Systemic Inflammation, Autoantibody Production and T Cell Dysregulation

Gregg Silverman¹ and Laurence Morel², ¹NYU Grossman School of Medicine, New York, NY, ²Joe R. & Teresa Lozano Long School of Medicine, San Antonio, TX

Abstract Number: 2621 • ACR Convergence 2024

Trends in Disease Activity in Rheumatoid Arthritis over 2009-2023 Utilizing DAS28-CRP Inferred from Electronic Health Records

David Cheng¹, Vidul Panickan², Andrew Cagan³, Gregory McDermott⁴, Mary Jeffway³, Ying Qi⁵, Feng Liu³, Michael Weinblatt⁶, Nancy Shadick⁵, Tianxi Cai⁷ and Katherine Liao³, ¹Massachusetts General Hospital, Boston, MA, ²Harvard Medical School, Boston, MA, ³Brigham and Women's Hospital, Boston, MA, ⁴Brigham and Women’s Hospital, Brookline, MA, ⁵Brigham and Women’s Hospital, Boston, MA, ⁶Brigham and Women's Hospital/ Harvard Medical School, Waban, MA, ⁷Harvard T.H. Chan School of Public Health, Boston, MA

Abstract Number: 2627 • ACR Convergence 2024

Development and Validation of a Novel Score System to Guide Diagnostic Procedures in Children with Concerns of Chronic Nonbacterial Osteomyelitis

Rajdeep Pooni¹, Sarah Menashe², Melissa Oliver³, Anja Schnabel⁴, Eveline Wu⁵, Zhaoyi Wang⁶, Claire Yang⁷, Achille Marino⁸, Cassyanne Aguiar⁹, Johnathan Akikusa¹⁰, Ummusen Kaya Akca¹¹, Beverly Almeida¹², Simone Appenzeller¹³, Ozge Basaran¹⁴, Matthew Basiaga¹⁵, David Cabral¹⁶, Martina Capponi¹⁷, nathan Donaldson¹⁸, Bugra Egeli¹⁹, Emily Fox²⁰, Antonella insalaco²¹, Ramesh Iyer²², Annette Jansson²³, Inna Kostik²⁴, Mikhail Kostik²⁵, Leonard Kovalick²⁶, Katia Kozu²⁷, Sivia Lapidus²⁸, Tzielan Lee²⁹, Aleksander Lenert³⁰, Kamran Mahmood³¹, Edoardo Marrani³², Doaa Mosa³³, Alexander Mushkin³⁴, Farzana Nuruzzaman³⁵, Karen Onel³⁶, Manuela Pardeo²¹, Trang Pham²², Lauren Potts³⁷, Athimalaipet Ramanan³⁸, Angelo Ravelli³⁹, Nathan Rogers¹⁸, Ian Muse⁴⁰, Micol Romano⁴¹, natalie Roseenwasser²², T. Shawn Sato⁴², Gabriele Simonini⁴³, jennifer Soep¹⁸, Sara Stern⁴⁴, Alexander Theos⁴⁵, Lori Tucker⁴⁶, Leslie Vogel², Shima Yasin³⁰, Katerina Bouchalova⁴⁷, Alison Hendry⁴⁸, Kevin Cain⁴⁹, Hermann Girschick⁵⁰, Fatma Dedeoglu¹⁹, Christian Hedrich⁵¹, Ronald Laxer⁵², Polly Ferguson³⁰, Seza Ozen⁵³ and Yongdong Zhao⁵⁴, ¹Stanford University, Berkeley, CA, ²Seattle Children's Hospital, University of Washington School of Medicine, Seattle, WA, ³Riley Hospital for Children, Indiana University School of Medicine, Indianopolis, IN, ⁴Pediatric Rheumatology, Department of Pediatrics, University Hospital Carl Gustav Carus, Dresden, Germany, ⁵University of North Carolina School of Medicine, Chapel Hill, NC, ⁶University of Washington School of Medicine, Seattle, Seattle, WA, ⁷Seattle Children's Hospital, Seattle, ⁸ASST Gaetano Pini-CTO, Milan, Italy, Milan, Italy, ⁹Children's Hospital of The King's Daughters, Eastern Virginia Medical School, Norfolk, VA, ¹⁰Royal Children's Hospital, Melbourne, Australia, ¹¹Hacettepe University, Division of Pediatric Rheumatology, Department of Pediatrics, Faculty of Medicine, Ankara, Turkey, ¹²Alder Hey Children's NHS Foundation Trust, Liverpool, United Kingdom, ¹³Unicamp, Campinas, SP, Brazil, ¹⁴Hacettepe University, Ankara, Turkey, ¹⁵Mayo Clinic, Rochester, MN, ¹⁶BC Children's Hospital and University of British Columbia, Vancouver, BC, Canada, ¹⁷Sapienza University, Rome, Italy, ¹⁸University of Colorado School of Medicine, Aurora, CO, ¹⁹Boston Children's Hospital, Boston, MA, ²⁰Children's Mercy Hospital, Kansas City, MO, ²¹IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy, ²²University of Washington School of Medicine, Seattle, WA, ²³Dr. von Hauner Children´s Hospital, Munich, Germany, ²⁴Sanatorium for children Detskie Dyuny, Saint-Petersburg, Russia, ²⁵Saint-Petersburg State Pediatric Medical University, Saint Petersburg, Russia, ²⁶The University of North Carolina at Chapel Hill, Chapel Hill, NC, ²⁷Instituto da Criança e do Adolescente, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil, ²⁸Hackensack University Medical Center, Montclair, NJ, ²⁹Stanford University School of Medicine, Palo Alto, CA, ³⁰Carver College of Medicine, University of Iowa Hospitals & Clinics, Iowa City, IA, ³¹Alder Hey Children's Hospital, Liverpool, United Kingdom, ³²ERN ReCONNET center, Meyer Children's Hospital-IRCCS, Firenze, Italy, ³³Mansoura University Hospital, Mansoura City, Egypt, ³⁴Science-Research Institute of Phthisiopulmonology, Saint-Petersburg, Russia, ³⁵Renaissance School of Medicine at Stony Brook University, Stony Brook, NY, ³⁶HSS, New York, NY, ³⁷Patient Research Partner, Long Beach, CA, ³⁸Bristol Royal Hosp for Children, Bristol, United Kingdom, ³⁹IRCCS Giannina Gaslini, Genoa, Italy, ⁴⁰Seattle Children's Research institute, Seattle, WA, ⁴¹Behcet and Autoinflammatory Disease Center, Western University, London, ON, Canada, ⁴²University of Iowa, Iowa City, ⁴³Meyer Children Hospital IRCCS; NEUROFARBA Department, University of Florence, Florence, Italy, ⁴⁴University of Utah, Salt Lake City, UT, ⁴⁵Patient/parent partner, Washington DC, DC, ⁴⁶BC Children's Hospital, Vancouver, BC, Canada, ⁴⁷Faculty of Medicine and Dentistry, Palacky University Olomouc and University Hospital, Olomouc, Czech Republic,⁴⁸Division of Medicine Middlemore Hospital Counties Manukau District Health, Auckland, New Zealand, ⁴⁹University of Washington, Seattle, WA, ⁵⁰Vivantes Clinic Friedrichshain, Berlin, Germany, ⁵¹University of Liverpool, Liverpool, United Kingdom, ⁵²SickKids, Toronto, ON, Canada, ⁵³Department of Pediatrics, Hacettepe University, Ankara, Turkey, ⁵⁴Seattle Children's Research institute, Seattle, WA

Abstract Number: 2623 • ACR Convergence 2024

Cardiovascular Health Is Suboptimal in Most Patients with Juvenile-Onset Lupus and Dermatomyositis: Baseline Visit Findings from the Lupus Erythematous and Dermatomyositis Stress and Cardiovascular Health Cohort Study

Kaveh Ardalan¹, Angel Davalos², Hwanhee Hong², Bryce Reeve², Christoph Hornik², M. Athony Moody², Donald Lloyd-Jones³, Eveline Wu⁴, Audrey Ward¹, Rebecca Sadun⁵, Jeff Dvergsten⁶, Ann Reed², Mark Connelly⁷ and Laura Schanberg⁸, ¹Duke University School of Medicine, Durham, NC, ²Duke University School of Medicine, Durham, ³Northwestern University Feinberg School of Medicine, Chicago, ⁴University of North Carolina School of Medicine, Chapel Hill, NC, ⁵Duke University, Durham, NC, ⁶Duke University Hospital, Hillsborough, NC, ⁷Children’s Mercy Kansas City/University of Missouri-Kansas City School of Medicine, Kansas City, ⁸Duke University Medical Center, DURHAM, NC

Abstract Number: 2582 • ACR Convergence 2024

Efficacy and Safety of Sonelokimab, a Novel IL-17A- and IL-17F-Inhibiting Nanobody, in Patients with Active PsA: 24-Week Results from a Global, Randomized, Double-Blind, Placebo-Controlled Phase 2 Trial

Iain McInnes¹, Laura Coates², Philip Mease³, Alexis Ogdie⁴, Arthur Kavanaugh⁵, Lihi Eder⁶, Georg Schett⁷, Alan Kivitz⁸, Nuala Brennan⁹, Alex Godwood⁹, Eva Cullen⁹, Kristian Reich⁹, Christopher Ritchlin¹⁰ and Joseph F. Merola¹¹, ¹University of Glasgow, College of Medical Veterinary and Life Sciences, Glasgow, United Kingdom, ²University of Oxford, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Oxford, United Kingdom, ³Swedish Medical Center/Providence St. Joseph Health; University of Washington School of Medicine, Seattle, WA, ⁴Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, ⁵University of California San Diego, La Jolla, CA, ⁶University of Toronto, Women’s College Hospital and Department of Medicine, Toronto, ON, Canada, ⁷Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany, ⁸Altoona Center for Clinical Research, Duncansville, PA, ⁹MoonLake Immunotherapeutics AG, Zug, Switzerland, ¹⁰Department of Medicine, Allergy, Immunology, and Rheumatology Division, University of Rochester Medical School, Canandaigua, NY, ¹¹UT Southwestern Medical Center, Dallas, TX

Abstract Number: 2646 • ACR Convergence 2024

Rare Variants in the IL1RAP Gene Implicate the IL-1 Signaling Pathway in the Pathogenesis of Systemic Sclerosis in African and European Ancestries

Yosuke Kunishita¹, Urvashi Kaundal², Martin Kerick³, Ryan Routsong⁴, Justin Lack⁴, Ami Shah⁵, Maureen Mayes⁶, Daniel Shriner⁷, Ayo P. Doumatey⁷, Amy Bentley⁷, Robyn Domsic⁸, Thomas Medsger, Jr⁹, Paula Ramos¹⁰, Richard Silver¹¹, Virginia Steen¹², John Varga¹³, Vivien Hsu¹⁴, Lesley Ann Saketkoo¹⁵, Dinesh Khanna¹³, Elena Schiopu¹⁶, Jessica Gordon¹⁷, Lindsey Criswell¹⁸, Heather Gladue¹⁹, Chris Derk²⁰, Elana Bernstein²¹, S. Louis Bridges¹⁷, Victoria Shanmugam²², Lorinda Chung²³, Suzanne Kafaja²⁴, Reem Jan²⁵, Marcin Trojanowski²⁶, Avram Goldberg²⁷, Benjamin Korman²⁸, James W. Thomas²⁹, Elaine Remmers³⁰, Adebowale Adeyemo⁷, Charles Rotimi⁷, Fredrick Wigley³¹, Francesco Boin³², Javier Martin³, Daniel Kastner³³ and Pravitt Gourh³⁴, ¹Scleroderma Genomics and Health Disparities Unit, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, ²Scleroderma Genomics and Health Disparities Unit, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Chevy Chase, MD, ³Instituto de Parasitología y Biomedicina ‘López-Neyra’, CSIC, PTS Granada, Spain, Granada, Spain, ⁴Integrated Data Sciences Section, Research Technologies Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, ⁵Division of Rheumatology, Johns Hopkins University, Ellicott City, MD, ⁶UTHealth Houston Division of Rheumatology, Houston, TX, ⁷Center for Research on Genomics and Global Health, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, ⁸Division of Rheumatology and Clinical Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, ⁹Division of Rheumatology and Clinical Immunology, University of Pittsburgh School of Medicine, Verona, PA, ¹⁰Medical University of South Carolina, Charleston, SC, ¹¹Division of Rheumatology and Immunology, Medical University of South Carolina, Charleston, SC, ¹²Georgetown University School of Medicine, Washington, DC, ¹³University of Michigan, Ann Arbor, MI, ¹⁴Department of Medicine, Rheumatology Division, Rutgers-RWJ Medical School, South Plainfield, NJ, ¹⁵New Orleans Scleroderma and Sarcoidosis Patient Care and Research Center, Louisiana State University and Tulane University Medical Schools, New Orleans, LA, ¹⁶Division of Rheumatology, Medical College of Georgia at Augusta University, Martinez, GA, ¹⁷Division of Rheumatology, Weill Cornell Medical College, New York, NY, ¹⁸Genomics of Autoimmune Rheumatic Disease Section, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, Bethesda, MD, ¹⁹Arthritis & Osteoporosis Consultants of the Carolinas, Charlotte, NC, ²⁰Division of Rheumatology, University of Pennsylvania, Philadelphia, PA, ²¹Division of Rheumatology, Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, ²²Office of Autoimmune Disease Research, Office of Research on Women's Health, National Institutes of Health, Great Falls, VA, ²³Stanford University, Woodside, CA, ²⁴Division of Rheumatology, University of California, Los Angeles, Los Angeles, CA, ²⁵Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, IL, ²⁶Department of Rheumatology, Boston University School of Medicine, Boston, MA, ²⁷NYU Langone Health - NYU Hospital for Joint Diseases, Lake Success, NY, ²⁸University of Rochester, Rochester, NY, ²⁹NIH Intramural Sequencing Center, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, ³⁰Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, ³¹Johns Hopkins University, Division of Rheumatology, Baltimore, MD, Baltimore, MD, ³²Cedars-Sinai Medical Center, Los Angeles, CA, ³³National Human Genome Research Institute, Bethesda, MD, ³⁴National Institutes of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD, Bethesda, MD

Abstract Number: 2650 • ACR Convergence 2024

Extent of Vascular Inflammation on Cranial Vessel Wall MRI and Ophthalmic Complications in Giant Cell Arteritis

David Yang¹, Quy Cao², Fang Liu², Tara McWilliams², Ryan Rebello³, Madhura Tamhankar², Shubhasree Banerjee², Rui Liang², Robert Kurtz², Joshua Baker¹, Naomi Amudala², Zhaoyang Fan⁴, Jae Song², Peter Merkel¹, Jeffrey Morris² and Rennie Rhee¹, ¹University of Pennsylvania, Philadelphia, PA, ²University of Pennsylvania, Philadelphia, ³St Joseph’s Hospital and McMaster University, Hamilton, ON, Canada, ⁴University of Southern California, Los Angeles, CA

Abstract Number: 0614 • ACR Convergence 2024

Bridging the Gap Between Patient’s Perception on Quality of Life and Disease Activity and Damage in Systemic Lupus Erythematous Patient

Abstract Number: 2652 • ACR Convergence 2024

Characteristics of Relapse and Therapeutic Management in Giant Cell Arteritis in Modern Era, NEWTON Study

Geoffroy Peyrac¹, Natalie Lomba Goncalves¹, Aïcha Kante², Patrice Cacoub³, Karim Sacré⁴, David Saadoun⁵, Thomas Papo⁴, Jean-François Alexandra⁶, Valentin Pagis⁷, Venceslas Bourdin¹, Pascal Richette⁸, Arnaud Vanjak⁹, Augustin Latourte¹⁰, Dikélélé Elessa⁷, William Bigot¹, Ruxandra burlacu⁷, Karine Champion¹, Blanca Amador Borrero⁷, Amanda Lopes¹, Audrey Depond⁷, Peggy Reiner¹¹, Homa Adle-Biassette¹², Aude Couturier¹³, Philippe Bonnin¹⁴, Alexandre Boutigny¹⁵, Frédéric Paycha¹⁶, Anne Couvelard¹⁷, Alexis Régent¹⁸, Benjamin Chaigne¹⁹, Yann Nguyen²⁰, Agnès lefort²⁰, Olivier Bory²¹, Elisabeth Aslangul²², stephane mouly¹, Damien Sène¹, Viet-Thi Tran²³ and Cloé Comarmond¹, and Groupe d'étude français de l'artérite à cellules géantes (GEFA), ¹Department of internal medicine, Centre de Compétence Maladies Rares autoimmunes et inflammatoires, Lariboisière Hospital, Université Paris Cité, Paris, Ile-de-France, France, ²Department of internal medicine, Centre de Compétence Maladies Rares autoimmunes et inflammatoires, Université Paris Cité, Paris, Ile-de-France, France, ³Sorbonne Université, Paris, ⁴Université Paris Cité, Paris, France, ⁵Department of internal medicine, Centre de Référence Maladies Rares autoimmunes et inflammatoires, Pitié-Salpêtrière Hospital, Sorbonne Université, Paris, France, ⁶INSERM U959, Immunology-Immunopathology-Immunotherapy, Pitié-Salpêtrière Hospital, Paris, France, ⁷Department of internal medicine, Centre de Compétence Maladies Rares autoimmunes et inflammatoires, Lariboisière Hospital, Université Paris Cité, Paris, France, ⁸Lariboisière Hospital, Paris, France, ⁹Department of Rheumatoloy, Lariboisière Hospital, Université Paris Cité, Paris, France, ¹⁰AP-HP, Paris, France, ¹¹Department of Neurology, Lariboisière Hospital, Université Paris Cité, Paris, France, ¹²Department of Pathology, Lariboisière Hospital, Université Paris Cité, Paris, France, ¹³Department of ophthalmology, Lariboisière Hospital, Université Paris Cité, Paris, France, ¹⁴Department of physiology, Lariboisière Hospital, Université Paris Cité, Paris, Ile-de-France, France, ¹⁵Department of physiology, Lariboisière Hospital, Université Paris Cité, Paris, France, ¹⁶Department of nuclear medicine, Saint-Louis Hospital, Université Paris Cité, Paris, France, ¹⁷Department of Pathology, Bichat Hospital, Université Paris Cité, Paris, Paris, Ile-de-France, France, ¹⁸National Referral Center For Rare Systemic Autoimmune Diseases, Paris, France, ¹⁹Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes et Autoinflammatoires Rares d'Ile de France de l’Est et de l’Ouest, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, Ile-de-France, France, ²⁰Department of Internal medicine, Beaujon Hospital, Université Paris Cité, Clichy, France, ²¹Department of internal medicine, Louis Mourier Hospital, Université Paris Cité, Colombes, France, ²²Service de Médecine interne, Hôpital Louis Mourier, AP-HP, Colombes, France, ²³Centre for Research in Epidemiology and Statistics (CRESS) and Centre d'Epidémiologie Clinique, Hôtel-Dieu Hospital, Paris, Ile-de-France, France

Abstract Number: 2624 • ACR Convergence 2024

Measuring Clinically Inactive Disease at One Year in Patients with Juvenile Dermatomyositis (JDM) in the Childhood Arthritis and Rheumatology Research Alliance (CARRA) Registry

Jessica Neely¹, Peter Shrader², Stacey Tarvin³, Kaveh Ardalan⁴, Susan Shenoi⁵, Adam Huber⁶, Susan Kim⁷ and Hanna Kim⁸, and for the CARRA Registry Investigators, ¹UCSF, San Francisco, CA, ²Duke Clinical Research Institute, Durham, NC, ³Indiana University School of Medicine, Indianapolis, IN, ⁴Duke University School of Medicine, Durham, NC, ⁵Seattle Children's Hospital and Research Center, Mercer Island, WA, WA, ⁶IWK Health Centre, Halifax, NS, Canada, ⁷University of California, San Francisco, CA, ⁸National Institute of Arthritis Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD