ACR Meeting Abstracts

ACR Meeting Abstracts

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  • Abstract Number: LB19 • ACR Convergence 2025

    Rosnilimab, a Selective and Potent Depleter of Pathogenic T Cells, Demonstrates Efficacy, Safety, and Translational Proof of Mechanism in a Rheumatoid Arthritis Phase 2B Trial

    Jonathan Graf1, Amy Archer2, Sergiy Kovalenko3, Katarzyna Kolossa4, John Serpa5, Tamta Kobakhidze6, Daniela Cepoi7, Andrea Everding8, Costantino Pitzalis9, Catherine Aversa2, Martin Dahl2, May Hafez2, Paul Lizzul2, Priya Raina2, Bruce Randazzo2, Yangsu Ren2, Khalil Saikali2, Cailin Sibley10, Gerd Burmester11, Jacques-eric GOTTENBERG12, Iain McInnes13, Eduardo Mysler14, Lee Simon15, Josef Smolen16, Jeffrey Sparks17, Ronald van Vollenhoven18, Michael Weinblatt19 and Paul Emery20, 1UCSF, San Francisco, California, 2AnaptysBio Inc, San Diego, California, 3Arensia Exploratory Medicine, Kyiv, Ukraine, 4MICS Centrum Medyczne, Bydgoszcz, Poland, 5Allied Biomedical Research Institute, Miami, Florida, 6Research Institute of Clinical Medicine Todua Clinic, Tbilisa, Georgia, 7Nicolae Testemitanu State University of Medicine & Pharmacy, Chisinau, Moldova, 8MVZ Rheumatologie & Autoimmunmedzin Hamburg GmbH, Hamburg, Germany, 9QMUL, Bromley Kent, United Kingdom, 10AnaptysBio Inc, San Diego, 11Charité - Universitétsmedizin Berlin, Berlin, Germany, 12Hautepierre Hospital, STRASBOURG, France, 13University of Glasgow, Glasgow, United Kingdom, 14OMI, Buenos Aires, Argentina, 15SDG LLC, West Newton, Massachusetts, 16Medical University of Vienna, Vienna, Austria, 17Brigham and Women's Hospital, Boston, Massachusetts, 18Amsterdam UMC, Amsterdam, Netherlands, 19Brigham and Women's Hospital/ Harvard Medical School, Waban, Massachusetts, 20University of Leeds, Leeds, United Kingdom

    Background/Purpose: Over 50% of RA patients require multiple b/tsDMARD classes due to inadequate or lost response. Rosnilimab, an investigational monoclonal antibody that selectively targets and…
  • Abstract Number: LB03 • ACR Convergence 2025

    Transcutaneous Electrical Nerve Stimulation Effectively Reduces Pain in Fibromyalgia: A Pragmatic Cluster-Randomized Trial Embedded in Physical Therapy Practice

    Leslie Crofford1, Dana Dailey2, Barbara Van Gorp2, Carol Vance2, Andrew Post3, Ruth Chimenti2, Ezgi Yarasir2, Elizabeth Johnson1, Kari Vance2, Bridget Zimmerman2, Fangfang Jiang2, David-Erick Lafontant2, Maxine Koepp2, Dixie Ecklund2, Emine Bayman2 and Kathleen Sluka2, 1Vanderbilt University Medical Center, Nashville, Tennessee, 2University of Iowa, Iowa City, Iowa, 3Grand Valley State University, Grand Rapids, Michigan

    Background/Purpose: Fibromyalgia (FM) is characterized by chronic widespread pain that is often exacerbated by movement. FM is associated with enhanced central pain transmission, while transcutaneous…
  • Abstract Number: LB02 • ACR Convergence 2025

    Tofacitinib Plus Glucocorticoids Can Effectively Reduce Relapse Rate in IgG4-Related Disease: A Randomized,Open-label controlled Trial

    Xi Xu1, Huaqun Zhu2 and Hua Ye1, 1Peking University People‘s Hospital, Beijing, China (People's Republic), 2Peking University People‘s Hospital, Beijing, Beijing, China (People's Republic)

    Background/Purpose: To evaluate the efficacy of tofacitinib combined with glucocorticoids (GCs) compared with GCs monotherapy in preventing relapse in patients with IgG4-related disease (IgG4-RD).Methods: Compared with glucocorticoid…
  • Abstract Number: LB01 • ACR Convergence 2025

    Low-dose Interleukin-2 Therapy in Systemic Lupus Erythematosus: a double-blind, randomised, placebo-controlled, phase IIb trial

    Xia Zhang1, Ruiling Feng1, Zhanguo Li2 and Jing He1, 1Peking University People's Hospital, Beijing, China (People's Republic), 2Peking Univeristy People's Hospital, Beijing, China (People's Republic)

    Background/Purpose: Low-dose Interleukin-2 (Ld-IL2) has shown therapeutic effect in autoimmune diseases, particularly systemic lupus erythematosus (SLE). Various doses from 0.33 to 3.0 million units of…
  • Abstract Number: LB22 • ACR Convergence 2025

    Early Evidence of Proof-of-Concept of an Albumin-DNASE1L3 Fusion Protein (NTR-441) for the Rapid Enzymatic Inactivation of NETs in SLE with DNASE1L3-Deficiency

    Andreas Reiff1, Tadej Avcin2, Bernd Jilma3, Peter Korosec4, Matthias Weiss-Tessbach3, Christian Schoergenhofer3, Masa Bizjak5, Barbara Jenko Bizjan6, Barbara Cugalj Kern5, Kim Simpfendorfer7, Christian Lood8, Tyler Artner9, Angelene Prasanna1, Ken Olivier1, Ghazaleh Gouya1, Ralph Lambalot9, Abdul Hakkim1 and Tobias Fuchs1, 1Neutrolis, Cambridge, Massachusetts, 2University Medical Centre Ljubljana, Ljubljana, Slovenia, 3Medical University of Vienna, Vienna, Austria, 4University Clinic of Respiratory and Allergic Diseases, Golnik, Slovenia, 5University Medical Center Ljubljana, Ljubljana, Slovenia, 6University of Ljubljana, Ljubljana, Slovenia, 7Feinstein Institutes for Medical Research, Manhasset, New York, 8University of Washington, Seattle, Washington, 9Neutrolis, Cambridge

    Background/Purpose: Excessive formation and impaired clearance of Neutrophil Extracellular Traps (NETs) have been linked to autoimmune and inflammatory diseases, notably systemic lupus erythematosus (SLE). DNASE1-like…
  • Abstract Number: LB08 • ACR Convergence 2025

    Efficacy and Safety of Izokibep, a Novel IL-17A Inhibitor, in Patients with Active Psoriatic Arthritis: Week 52 Results from a Randomized, Double-Blind, Placebo-Controlled, Multicenter, Phase 2b/3 Study

    Philip Mease1, Frank Behrens2, Alan Kivitz3, Edit Drescher4, Piotr Klimiuk5, Howard Sofen6, Nehad Soloman7, Shephard Mpofu8, Fredrik Frejd9 and Peter Taylor10, 1Swedish Medical Center/Providence St. Joseph Health, Seattle, Washington, 2Department of Rheumatology, Frankfurt University Hospital, Frankfurt, Germany, 3Altoona Arthritis and Osteoporosis Center, Altoona Center for Clinical Research, Duncansville, Pennsylvania, 4Vital Medical Center Rheumatology, Veszprém, Hungary, 5Department of Rheumatology and Internal Diseases, Medical University of Bialystok, Bialystok, Poland, 6Department of Medicine/Dermatology, David Geffen UCLA School of Medicine, Los Angeles, California, 7Midwestern University Arizona College of Osteopathic Medicine and Arizona Arthritis and Rheumatology Associates, Phoenix, Arizona, 8ACELYRIN, INC., Agoura Hills, California, 9Affibody Medical AB, Solna, Sweden, 10Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom

    Background/Purpose: PsA is a chronic, systemic, inflammatory musculoskeletal disease in which dysregulated IL-17A activity plays a pivotal role in disease pathogenesis. Izokibep (IZO) is an…
  • Abstract Number: LB05 • ACR Convergence 2025

    ER Stress-Induced ATP2A3 Drives Rheumatoid Arthritis via Activation of STING Signaling

    yujie cai, Nanfang hospital, Guangzhou, China (People's Republic)

    Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disease characterized by persistent synovial inflammation and joint bone destruction. Endoplasmic reticulum (ER) stress plays an important role…
  • Abstract Number: LB18 • ACR Convergence 2025

    Transcriptomic Signatures of ANA+ and ANA- B Cells Reveal Shifts from Active Disease to Remission in Systemic Lupus Erythematosus

    Rita Pozovskiy1, Yemil Atisha-Fregoso2 and Betty Diamond3, 1Zucker School of Medicine, New York, New York, 2Feinstein Institutes for Medical Research, New York, New York, 3The Feinstein Institutes for Medical Research, Manhasset, New York

    Background/Purpose: In systemic lupus erythematosus (SLE), IgG antibodies that target nuclear antigens (ANA) are pathogenic and part of the diagnostic criteria for SLE. Healthy individuals…
  • Abstract Number: LB21 • ACR Convergence 2025

    IDH1/2 Somatic Hotspot Mutations as Independent Drivers of Autoinflammation

    Flore Castellan1, Griffen Mustion2, Mei-Kay Wong1, Kimberly Johansson2, Scott Goldberg1, Yazan Madanat3, Namrata Chandhok4, Abhay Singh5, David Sallman6, Jane Churpek7, Curtis Lachowiez8, Jennifer Yannucci9, Luke Fletcher10, Matthew Schwede11, Amber Afzal2, Yael Kusne12, Alejandro Marinos13, Alexander Coltoff14, Rickey Myhand15, Kiran Vij2, Rosalyn Marar16, Hannah Mitchell2, Maria Stoentcheva2, Giulia Petrone2, Kyra Ddungu2, Hannah Hartman2, Ryan Monahan2, Karen Vandervort2, Jie Liu2, John Cole2, Tibor Kovacsovics17, Hetty Carraway18, Tian Zhang19, Stephen Chung3, Geoffrey Uy2, Eytan Stein20, Devendra Hiwase21, Matthew Walter2, Mrinal Patnaik16, Kelly Bolton22 and David Beck1, 1New York University School of Medicine, New York, New York, 2Washington University School of Medicine, Saint Louis, Missouri, 3UT Southwestern Medical Center, Dallas, Texas, 4University Miami Miller School of Medicine, Miami, Florida, 5Cleveland Clinic, Cleveland, Ohio, 6Moffitt Cancer Center, Tampa, Florida, 7University of Wisconsin School of Medicine, Madison, Wisconsin, 8Oregon Health & Science University, Portland, Oregon, 9Low Country Cancer Care, Savannah, Georgia, 10Willamette Valley Cancer Institute and Research Center, EUgene, Oregon, 11Swedish Health Services, Seattle, Washington, 12Mayo Clinic, Phoenix, Arizona, 13UTSouthwestern Medical Center, Dallas, Texas, 14Medical University of South Carolina, Charleston, South Carolina, 15CovenantOntology & Hematology, Frankfort, Kentucky, 16Mayo Clinic, Rochester, Minnesota, 17City of Hope, Goodyear, Arizona, 18Case Western Reserve University, Cleveland, Ohio, 19Stanford Medicine, Stanford, California, 20Memorial Sloan Kettering Cancer Center, New York, New York, 21Adelaide Medical School, Adelaide, South Australia, Australia, 22Washington University School of Medicine, Saint Louis, Minnesota

    Background/Purpose: Recently, somatic mutations in hematopoietic stem and progenitor cells (HSPCs) have been proposed as a novel mechanism driving systemic inflammation. UBA1 somatic variants in…
  • Abstract Number: LB13 • ACR Convergence 2025

    Obinutuzumab Leads to Deep B-Cell Depletion in the Kidney Parenchyma of Patients With Lupus Nephritis: An Exploratory Analysis of the REGENCY Trial

    Brad Rovin1, Elsa Martins2, Cary Austin3, Harini Raghu3, Caleb Chan3, Patrick Chang3, Jay Garg3, Valeria Alberton4, Mittermayer Santiago5, Gustavo Aroca-Martínez6, Fedra Palazuelos7, Teresa Baczkowska8, José Alfaro9, Jorge Ravelo-Hernández10, Richard Furie11, Luís Pinto12, Eduardo Albiero13, Christopher Larsen14, Bongin Yoo3, Jennifer Pulley15, Andrew Thorley3, Thomas Schindler2, Theodore Omachi3, William Pendergraft III3 and Ana Malvar16, 1Department of Internal Medicine, The Ohio State University College of Medicine, Columbus, Ohio, 2F. Hoffmann-La Roche Ltd, Basel, Switzerland, 3Genentech, Inc., South San Francisco, California, 4Pathology Unit, Fernández Hospital, Buenos Aires, Argentina, 5Bahiana School of Medicine and Public Health and UFBA, Federal University of Bahia, and Clínica SER da Bahia, Salvador, Brazil, 6Universidad Simón Bolívar y Clínica de la Costa, Barranquilla, Colombia, 7Centro de Investigación y Tratamiento Reumatológico S.C., Mexico City, Mexico, 8Department of Transplantation Medicine, Nephrology and Internal Medicine, Medical University of Warsaw, Warsaw, Poland, 9Instituto Peruano del Hueso y la Articulación, Lima, Peru, 10Clinica San Juan Bautista, Unidad de Investigacion en Reumatologia e Inmunologia, Lima, Peru, 11Division of Rheumatology, Northwell Health, Great Neck, New York, 12Internal Medicine and Rheumatology, Hospital Pablo Tobón Uribe, Medellín, Colombia, 13Sanatorio Allende, Córdoba, Argentina, 14Arkana Laboratories, Little Rock, Arkansas, 15Roche Products Ltd, Welwyn Garden City, United Kingdom, 16Organización Médica de Investigación, Buenos Aires, Argentina

    Background/Purpose: B cells infiltrate the kidneys in lupus nephritis (LN) and likely contribute to the pathogenesis of kidney injury. The REGENCY trial (NCT04221477) showed that…
  • Abstract Number: LB17 • ACR Convergence 2025

    Circulating biomarkers for organ involvement in systemic lupus erythematosus: a series of systematic reviews and meta-analyses

    Sitian Zang1, Ranran Yao1, Yan Wang1, Danxue Zhu1, Jing He1 and Zhanguo Li2, 1Peking University People's Hospital, Beijing, China (People's Republic), 2Peking Univeristy People's Hospital, Beijing, China (People's Republic)

    Background/Purpose: Systemic lupus erythematosus (SLE) features heterogeneous clinical manifestations. The identification of biomarkers that facilitate initial disease recognition is a cornerstone of optimized clinical management.…
  • Abstract Number: LB11 • ACR Convergence 2025

    Efficacy and Safety of Telitacicept in Patients with Sjögren’s Disease: Results from a Multicenter, Randomized, Double-blind, Placebo-controlled, Phase 3 Clinical Study

    Dong Xu1, Shangzhu Zhang1, Lin Qiao1, Li Zhang1, Wenxiang Wang2, Lin Li2, Binghua Xiao2, Jing Zhang2, Qing Zuraw3, Jianmin Fang2 and Xiaofeng Zeng1, 1Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital (PUMCH), Chinese Academy of Medical Sciences & Peking Union Medical College; National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology; State Key Laboratory of Complex Severe and Rare Diseases; Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China (People's Republic), 2RemeGen Co., Ltd., Rheumatology, Yantai, China (People's Republic), 3Vor Biopharma Inc., Boston

    Background/Purpose: Sjögren's disease (SjD) is a chronic autoimmune disease whose pathogenesis is associated with aberrant activation of B-lymphocytes. Telitacicept, a novel fusion protein, dually targets and…
  • Abstract Number: LB12 • ACR Convergence 2025

    Randomized, Double-Blind, Placebo-Controlled Phase IIa Trial of an Innovative Intra-Articular Apoptotic Cell Therapy in Knee Osteoarthritis (OA): 3-Month Positive Outcomes and Identification of Responder Population (NCT06233474)

    Philip Conaghan1, Bernt Husøy2, Cecilie Rovsing3, Sidsel L Boll4, Liliana Groppa5, Amir Oron6, Asger Bihlet7, Ali Mobasheri8, Tobias Winkler9, Dror Mevorach10, Einat Galamidi11, Lital Weinfeld-Bergman12, Lior Binder12 and Oren Hershkovitz11, 1University of Leeds, Leeds, United Kingdom, 2Sanos Clinic, Herlev, Denmark, 3Sanos Clinic, Gandrup, Denmark, 4Sanos Clinic, Vejle, Denmark, 5T. Mosneaga Republican Clinical Hospital, Chisinau, Moldova, 6Kaplan MC, Rehovot, Israel, 7NBCD A/S, Soeborg, Denmark, 8University of Oulu, Oulu, Finland, 9Charité - Universitätsmedizin Berlin, Berlin, Germany, 10Hadassah-University Hospital, Jerusalem, Israel, 11Enlivex Therapeutics, Ness Ziona, Israel, 12Enlivex Therapeutics, Nes Ziona, Israel

    Background/Purpose: OA is a prevalent disabling disease growing globally due to aging populations and rising obesity. In primary OA, the effects of joint tissue damage accumulate with age,…
  • Abstract Number: LB23 • ACR Convergence 2025

    A Phase 1 Study of Autologous CAR-Treg Cells in Refractory Rheumatoid Arthritis: Interim Report of Safety and Efficacy

    Minna Kohler1, Sally Arai2, Fawad Aslam3, Gregory Challener4, Matthew Frigault4, Melissa Griffith5, Tamiko Katsumoto6, Elena Massarotti7, Larry Moreland8, Allison Rosenthal9, Jeffrey Sparks7, Janeth Yinh4, Sarah Baxter10, Ari Bitton11, Jason Dubovsky12, Victor Yuan13, Mindy Jensen14, Andrew Clauw15, Gabrielle Furman4, Rita Gyurko7, Megan Hall9, Anna McIntyre4, Jennifer Seifert16, Emma Stainton2, Michelle Blake10, Sabrina Fox-Bosetti13, Herve Lebrec13, Amanda Pace10, Yuanyuan Xiao17, Mei-Lun Wang18, Joe Arron13 and Jeffrey Bluestone19, 1Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, 2Stanford, Palo Alto, California, 3Mayo Clinic, Arizona, Scottsdale, Arizona, 4Massachusetts General Hospital, Boston, Massachusetts, 5University of Colorado Anschutz Medical Campus, Aurora, Colorado, 6Stanford University, Millbrae, California, 7Brigham and Women's Hospital, Boston, Massachusetts, 8University of Colorado, Denver, Colorado, 9Mayo Clinic, Phoenix, Arizona, 10Sonoma Biotherapeutics, Seattle, Washington, 11Sonoma Biotherapeutics, San Diego, California, 12Sonoma Biotherapeutics, Thousand Oaks, California, 13Sonoma Biotherapeutics, South San Francisco, California, 14Sonoma Bio, Seattle, Washington, 15University of Colorado, Aurora, Colorado, 16University of Colorado and Oklahoma Medical Research Foundation, Aurora, Colorado, 17Sonoma Biotherapeutics, Los Altos, California, 18Sonoma Biotherapeutics, San Francisco, California, 19Sonoma Biotherapeutics Inc, South San Francisco, California

    Background/Purpose: Regulatory T cells (Tregs) modulate inflammation, maintain self-tolerance, promote tissue repair, and hold promise as a versatile therapeutic. Autologous polyclonal Tregs have a favorable…
  • Abstract Number: LB24 • ACR Convergence 2025

    Ianalumab demonstrates significant reduction in disease activity in patients with Sjögren’s disease: Efficacy and safety results from two global Phase 3, randomized, placebo-controlled double-blind studies (NEPTUNUS-1 and NEPTUNUS-2)

    Thomas Grader-Beck1, Xavier Mariette2, Stephanie Finzel3, Elena Schiopu4, Athena Papas5, Valerie Devauchelle-Pensec6, Thomas Dörner7, Monika Sopala8, Xiaofeng Zeng9, Ghaith Noaiseh10, Tsutomu Takeuchi11, Uma Kumar12, Josef Hermann13, Hiroki Ozawa14, Robert Fox15, Susan Zong16, Deepak Narayanswamy17, XIAOMEI LI18, Wen-Lin Luo19, Janice Woznicki20, Laurie DeBonnett21, Xuan Zhu20, Linchen He20, Franziska Matzkies22, Angelika Jahreis22, Brian Porter23, Sara McCoy24, Simon Bowman25 and Wolfgang Hueber22, 1Johns Hopkins, Reisterstown, Maryland, 2Universit Paris-Saclay, Le Kremlin-Bictre, France, 3University Medical Center Freiburg, Freiburg, Germany, 4Medical College of Georgia at Augusta University, Martinez, Georgia, 5Tufts School of Dental Medicine, Boston, Massachusetts, 6Department of Rheumatology, Université de Bretagne Occidentale, CHU Brest, INSERM (U1227), LabEx IGO, Brest, France, 7Department of Medicine, Rheumatology and Clinical Immunology, Charité Universitätsmedizin and Deutsches Rheumaforschungszentrum,, Berlin, Germany, 8Novartis Pharma AG, Basel, Switzerland, Basel, Switzerland, 9Department of Rheumatology, Peking Union Medical College Hospital (PUMCH), Chinese Academy of Medical Sciences National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Beijing, China (People's Republic), 10University of Kansas Medical Center, Kansas City, Kansas, 11Division of Rheumatology and Clinical Immunology, Keio University,, Tokyo, Japan, 12Department of Rheumatology, All India Institute of Medical Sciences,, New Delhi, India, 13Division of Rheumatology and Immunology, Department of Internal Medicine, Medical University Graz,, Graz, Austria, 14Immuno-Rheumatology Center, St.Luke's International Hospital, Tokyo, Japan, 15Division of Rheumatology, Scripps Memorial Hospital and Research Foundation-Ximed, La Jolla,, San Diego, California, 16Novartis Pharmaceuticals Corporation, Bridgewater Township, New Jersey, 17Novartis Healthcare Pvt Ltd, Hyderabad, India, 18First Affiliated Hospital of China University of Science and Technology, Hefei, China, 19Novartis Pharmaceuticals Corporation, Franklin Township, New Jersey, 20Novartis Pharmaceuticals Corporation, East Hanover, New Jersey, 21Novartis Pharmaceuticals Corporation, Mt Olive, New Jersey, 22Novartis Pharma AG, Basel, Switzerland, 23Novartis Pharmaceuticals, East Hanover, New Jersey, 24University of Wisconsin, Middleton, Wisconsin, 25University Hospitals Birmingham, Birmingham, United Kingdom

    Background/Purpose: Sjögren's disease (SjD) is a systemic, heterogeneous, autoimmune disease with substantial disease burden, high unmet need, and no approved systemic treatments. B cell hyperactivity…
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All abstracts accepted to PRYSM are under media embargo once the ACR has notified presenters of their abstract’s acceptance. They may be presented at other meetings or published as manuscripts after this time but should not be discussed in non-scholarly venues or outlets. The following embargo policies are strictly enforced by the ACR.

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