You searched for rituximab - ACR Meeting Abstracts

Abstract Number: 0135 • ACR Convergence 2025
Rituximab in Antiphospholipid Syndrome: aPL Titer Decline and Clinical Outcomes
Omer Uludag¹, Soner Altın², Gamze Kemec², yasemin yalcinkaya³, Ahmet Gul³, Murat Inanc³ and Bahar Artim Esen⁴, ¹Istanbul University, Istanbul Faculty of Medicine, Division of Rheumatology, Istanbul, Turkey, ²Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, Istanbul, Turkey, ³Istanbul University, Istanbul Faculty of Medicine, Division of Rheumatology, Istanbul, Istanbul, Turkey, ⁴Istanbul University, Istanbul, Istanbul, Turkey
Background/Purpose: Rituximab treatment has been shown to be effective in non-thrombotic manifestations of APS and refractory catastrophic APS (CAPS). However, there are conflicting results regarding…
Abstract Number: 0263 • ACR Convergence 2025
A Multicenter Retrospective Case Series of Patients with Susac Syndrome treated with Rituximab
Michelle Benjamin¹, Mattia Wruble Clark², Shamik Bhattacharyya³, Audra Horomanski¹ and Kristin Galetta⁴, ¹Stanford University, Palo Alto, CA, ²Mass General Brigham, Somerville, MA, ³Brigham and Women's Hospital, Malden, MA, ⁴Stanford Medical Center, Palo Alto
Background/Purpose: Susac Syndrome (SuS) is a rare immune-mediated vasculo-occlusive disease characterized by a triad of encephalopathy, hearing loss, and branched retinal artery occlusions. Deficits can…
Abstract Number: 0353 • ACR Convergence 2025
Incidence of Clinical Fragility Fractures and Mortality in Patients with Rheumatoid Arthritis Treated with Rituximab
Montserrat Roig Kim¹, Carla Marco-Pascual², Martí Aguilar-Coll¹, Javier Narváez³, Joan Miquel Nolla¹ and Carmen Gomez Vaquero⁴, ¹Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Spain, ²Hospital de la Santa Creu i Sant Pau, Barcelona, Spain, ³Hospital Universitario de Bellvitge, Barcelona, Spain, ⁴Hospital Universitari de Bellvitge, ⁰⁸⁹⁰⁷ L'Hospitalet, Spain
Background/Purpose: Patients with Rheumatoid Arthritis (RA) have an increased risk of osteoporosis and fragility fractures. Bone loss in RA is multifactorial and mainly determined by…
Abstract Number: 1090 • ACR Convergence 2025
Quantitative Immunoglobulin Screening Prior to Rituximab Initiation: A Retrospective Cohort Study
Amelia Khoo and Anokhi Saklecha, Yale University, New Haven, CT
Background/Purpose: Rituximab, a monoclonal antibody which binds to the CD20 antigen of B cells, is used in the treatment of many rheumatologic conditions. Due to…
Abstract Number: 1093 • ACR Convergence 2025
Rituximab Associated Risk for Progressive Multifocal Leukoencephalopathy Among Patients with Systemic Lupus Erythematosus: A Retrospective Cohort Study
Blake Baay¹, Lorien Nassi² and Zachary Most³, ¹Scottish Rite for Children, Dallas, TX, ²UT Southwestern, Children's Medical Center, and Scottish Rite for Children, Dallas, TX, ³UT Southwestern, Dallas, TX
Background/Purpose: Rituximab is one of the many immunosuppressive medications used to treat SLE that can increase a patient’s risk for developing progressive multifocal leukoencephalopathy (PML),…
Abstract Number: 1109 • ACR Convergence 2025
Characteristics of SARS-CoV-2 infected Patients with Rheumatic Diseases on Rituximab: A Subanalysis of the COVID-19 Vaccine Booster in Immunocompromised Rheumatic Diseases (COVBIRD) Study
Laurianne Simard¹, Nathalie Amiable², Ines Colmegna³, Anne-Sophie Julien⁴, Sonia Léger-Thériault⁵, Alexandra Godbout⁴, Lison Fournier⁶, Giuliana Alfonso⁵, Josiane Bourre-Tessier⁷, Marie Hudson⁸, Nicolas Richard⁹, Jean-Paul Makhzoum¹⁰, Arielle Mendel¹¹, Sasha Bernatsky¹², Marc Dionne⁶, Michael Libman⁵, Gaston De Serres⁶ and Paul Fortin¹³, ¹Universite Laval, Quebec, QC, Canada, ²Centre de recherche du CHU de Québec – Université Laval, Quebec City, QC, Canada, ³The Research Institute of the McGill University Health Centre, Montréal, QC, Canada, ⁴Centre de recherche du CHU de Québec – Université Laval, Quebec, QC, Canada, ⁵MUHC, Montreal, Canada, ⁶Centre de recherche du CHU de Québec – Université Laval, Quebec, Canada, ⁷Centre hospitalier de l'Universite de Montreal, Montreal, QC, Canada, ⁸McGill University, Montréal, QC, Canada, ⁹Hopital Maisonneuve Rosemont, Montreal, QC, Canada, ¹⁰Universite de Montreal, Montreal, Canada, ¹¹McGill University Health Centre, Montréal, QC, Canada, ¹²Research Institute of the McGill University Health Centre, Montreal, QC, Canada, ¹³Centre ARThrite - CHU de Québec - Université Laval, Quebec, QC, Canada
Background/Purpose: Patients with systemic autoimmune rheumatic diseases (SARD) treated with B-cell-depleting therapies such as rituximab (RTX) have impaired humoral immune responses, increasing their susceptibility to…
Abstract Number: 1203 • ACR Convergence 2025
Rituximab in Treatment Refractory vs Treatment Naive Anti-Signal Recognition Particle (SRP) Myositis – A Case Series
israrul haque¹ and Parasar Ghosh², ¹Institute of Postgraduate Medical Education and Research(IPGMER), KOLKATA, India, ²Dept of Clinical Immunology and Rheumatology, IPGMER & SSKM HospitalGovt of West Bengal, Kolkata, India, Kolkata, West Bengal, India
Background/Purpose: Anti-Signal Recognition Particle (Anti-SRP) Myositis is a form of Polymyositis. Available consensus guidelines recommend initial combination therapy of high dose corticosteroids and Methotrexate and…
Abstract Number: 1277 • ACR Convergence 2025
Combination Therapy with Rituximab and Cyclophosphamide for Treating Pediatric Patients with Severe Manifestations of Rheumatic Disease
Eileen Rife¹, Daniel Reiff², John Bridges³, Emily Smitherman¹, randy Cron¹, Matthew Stoll¹, Melissa Mannion¹, Peter Weiser⁴ and Livie Timmerman⁵, ¹University of Alabama at Birmingham, birmingham, AL, ²Boys Town Hospital, Omaha, ³University of Alabama at Birmingham/Children's of Alabama, Birmingham, AL, ⁴University of Alabama at Birmingham, Birmingham, ⁵University of Alabama at Birmingham, Gardendale, AL
Background/Purpose: Current practice guidelines recommend either rituximab (RTX) or cyclophosphamide (CYC) for treatment of organ-threatening manifestations of systemic vasculitis or connective tissue disease (e.g., diffuse…
Abstract Number: 1525 • ACR Convergence 2025
Rituximab super-responders: characteristics of patients with more than 3 years response to a single cycle of treatment
Md Yuzaiful Md Yusof¹, Junaid Patel², Paul Emery³ and Ed Vital³, ¹University of Leeds, Leeds, United Kingdom, ²University of Leeds, Leeds, ³University of Leeds, Leeds, England, United Kingdom
Background/Purpose: Emerging therapies such as CD19 CAR-T-cells have been reported to induce deeper B-cell depletion and thereby drug-free remission up to 18 months. With rituximab,…
Abstract Number: 1593 • ACR Convergence 2025
Comparison of rituximab induction and maintenance regimens in ANCA-associated vasculitis: PK/PD modelling approach in real-world patients
Blaise Pasquiers¹, Benoit Blanchet², Xavier Puéchal³, Xavier Declèves¹, Pascal Cohen⁴, Claire Goulvestre¹, Marion Casadevall¹, Ines Benhabiles¹, Michel Vidal¹, David Ternant¹, Benjamin Terrier⁵ and Alicja Puszkiel⁶, ¹Hopital Cochin, Paris, France, ²National Referral Centre for Rare Autoimmune and Systemic Diseases, Hôpital Cochin, Paris, France, ³Department of Internal Medicine, National Referral Center for Rare Systemic Autoimmune Diseases, Hospital Cochin, and Université Paris Cité, Paris ( ⁷⁵⁰¹⁴ ), Ile-de-France, France, ⁴Department of Internal Medicine, National Referral Center for Rare Systemic Autoimmune Diseases, Hospital Cochin, Paris, France, ⁵Cochin Hospital, Paris, France, ⁶Cochin Hospital, Paris
Background/Purpose: For the treatment of antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV), rituximab (RTX) may be given as a 4-dose regimen (375 mg/m2 weekly for 4…
Abstract Number: 1597 • ACR Convergence 2025
Effectiveness and Safety of Rituximab Biosimilars in Small Vessel Vasculitis: a Systematic Literature Review
Caitlyn Kanters¹, Joo Young Lee², Christian Pagnoux³, Lillian Barra⁴, Jean-Paul Makhzoum⁵ and Arielle Mendel⁶, ¹McGill University, Montreal, Canada, ²Research institute of the McGill University Health Center, Montreal, QC, Canada, ³Mount Sinai Hospital, University Health Network, Toronto, and Canadian Vasculitis Research Network (CanVasc), Toronto, ON, Canada, ⁴Western University, London, ON, Canada, ⁵University of Montreal, Montreal, ⁶McGill University Health Centre, Montreal, Canada
Background/Purpose: To evaluate the safety and effectiveness of rituximab biosimilars in the treatment of small vessel vasculitis.Methods: The Medline, CINAHL, Cochrane, Embase and Web of…
Abstract Number: 1599 • ACR Convergence 2025
Cyclophosphamide versus Rituximab in the treatment of Anca-associated Vasculitis: Adverse events and Relapses
Fabricio Benavides Villanueva¹, Diana Prieto-Peña², Vanesa Calvo-Río³, Monica Renuncio-García⁴, Adrian Martin-Gutierrez⁵, Amparo Sanchez-Lopez⁶, Claudia Poo-fernandez⁷, maria Rodríguez-Vidriales⁸ and Ricardo Blanco³, ¹Division of Rheumatology, Hospital Universitario Marques de Valdecilla, IDIVAL, Immunopathology Group,Santander, Spain, Santander, Spain, ²Division of Rheumatology, Hospital Universitario Marqués de Valdecilla, IDIVAL, Immunopathology Group, Santander, Spain., Santander, Spain, ³Rheumatology Division, Hospital Universitario Marqués de Valdecilla, IDIVAL, Immunopathology Group, Santander, Spain, Santander, Cantabria, Spain, ⁴Division of Immunology, Hospital Universitario Marqués de Valdecilla, IDIVAL, Immunopathology Group, Santander, Spain., Santander, Cantabria, Spain, ⁵Division of Rheumatology, Hospital Universitario Marqués de Valdecilla, IDIVAL, Immunopathology Group, Santander, Spain., Renedo de Piélagos, Spain, ⁶Division of Dermatology, Hospital Universitario Marqués de Valdecilla, IDIVAL, Immunopathology Group, Santander, Spain., Santander, Cantabria, Spain, ⁷Division of Pneumology, Hospital Universitario Marqués de Valdecilla, IDIVAL, Immunopathology Group, Santander, Spain., Santander, Cantabria, Spain, ⁸Division of Nephrology, Hospital Universitario Marqués de Valdecilla, IDIVAL, Immunopathology Group, Santander, Spain., Santander, Cantabria, Spain
Background/Purpose: Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis include Granulomatosis with Polyangiitis (GPA), Microscopic Polyangiitis (MPA), and Eosinophilic Granulomatosis with Polyangiitis (EGPA). EGPA presents a different pathogenic,…
Abstract Number: 1602 • ACR Convergence 2025
Biomarkers of Innate Immune Activation to Identify Non-Response to Rituximab in Granulomatosis with Polyangiitis
Irene Carrión-Barberà¹, Jorge A. Gonzalez-Chapa², David Cuthbertson³, Nader Khalidi⁴, Curry Koening⁵, Carol Langford⁶, Carol McAlear⁷, Paul Monach⁸, Larry Moreland⁹, Christian Pagnoux¹⁰, Philip Seo¹¹, Ulrich Specks¹², Kenneth Warrington¹², Peter Merkel⁷ and Christian Lood², ¹Department of Rheumatology. Hospital del Mar, Barcelona, Spain, ²University of Washington, Division of Rheumatology, Seattle, ³University of South Florida, Tampa, ⁴Department of Medicine, McMaster University and St. Joseph’s Healthcare, Hamilton, Canada, ⁵University of Texas Dell Medical School, Austin, TX, ⁶Cleveland Clinic, Moreland Hills, OH, ⁷University of Pennsylvania, Philadelphia, PA, ⁸VA Boston Healthcare System, Boston, MA, ⁹University of Colorado, Denver, CO, ¹⁰Mount Sinai Hospital, University Health Network, Toronto, and Canadian Vasculitis Research Network (CanVasc), Toronto, ON, Canada, ¹¹Johns Hopkins University, Baltimore, MD, ¹²Mayo Clinic, Rochester, MN
Background/Purpose: Innate immune activation plays a key role in granulomatosis with polyangiitis (GPA), contributing to vascular inflammation via neutrophil extracellular traps, immune complexation (IC), and…
Abstract Number: 1604 • ACR Convergence 2025
Impact and risk factors of anti-rituximab antibodies in small-vessel vasculitis: a multicenter retrospective study
Lucas Khellaf¹, Raphaele Seror², caterina ricordi³, stephanie chhun⁴, audes gleizes⁴, hervé lobbes⁵, clara pouchelon⁶, marie Charlotte Besse⁷, Jean-Emmanuel Kahn⁸, sabine revuz⁹, Marina Cumin¹⁰, Dimitri Titeca-Beauport¹¹, Matthias Papo⁶, Philippe Rémy⁶, marie Desprets¹², florian garo¹³, Charles Ronsin¹⁴, Salima Hacein-Bey-Abina⁶, Amélie Servettaz¹⁵, Cacoub Patrice¹⁶, Xavier Puéchal¹⁷ and Benjamin Terrier¹⁸, ¹AP-HP, Paris, ²Department of Rheumatology, National referral center for auto immune disease and Sjogren disease, Université Paris-Saclay, INSERM UMR¹¹⁸⁴: Centre for Immunology of Viral Infections and Autoimmune Diseases, Assistance Publique-Hôpitaux de Paris, Hôpital Bicêtre, Le Kremlin Bicêtre, Paris, France., le kremlin bicetre, France, ³Unit of Rheumatology, Azienda USL - IRCCS di Reggio Emilia, and University of Modena and Reggio Emilia, Reggio Emilia, Italy, ⁴APHP, Paris, Ile-de-France, France, ⁵Department of Internal Medicine, Hôpital Estaing, Centre Hospitalier Universitaire de Clermont-Ferrand, Clermont-Ferrand, France, ⁶APHP, Paris, France, ⁷CHU Tours, Tours, France, ⁸Ambroise Paré hospital, Boulogne, France, ⁹CHU de la Réunion, Réunion, France, ¹⁰Centre hospitalier de Libourne, Libourne, France, ¹¹CHU Amiens, Amiens, France, ¹²CH Chôlet, Cholet, France, ¹³CHU Nîmes, Nîmes, France, ¹⁴CHU Nantes, Nantes, France, ¹⁵Internal Medicine, CHU Reims, Reims, France, ¹⁶Department of Internal Medicine and Clinical Immunology, Sorbonne Universités, AP-HP, Groupe Hospitalier Pitié-Salpêtrière, Centre national de références Maladies Autoimmunes et systémiques rares, Centre national de références Maladies Autoinflammatoires rares et Amylose inflammatoire (CEREMAIA), INSERM, UMR S⁹⁵⁹, Immunology-Immunopathology-Immunotherapy (I³), Paris, France, Paris, France, ¹⁷Department of Internal Medicine, National Referral Center for Rare Systemic Autoimmune Diseases, Hospital Cochin, and Université Paris Cité, Paris ( ⁷⁵⁰¹⁴ ), Ile-de-France, France, ¹⁸Cochin Hospital, Paris, France
Background/Purpose: Small vessel vasculitis mainly includes ANCA-associated vasculitis (AAV) and cryoglobulinemic vasculitis (CV), leading to significant organ damage. Rituximab (RTX), an anti-CD20 monoclonal antibody, has…
Abstract Number: 1607 • ACR Convergence 2025
Antibiotic Prophylaxis during Treatment of ANCA-associated Vasculitis with Rituximab: Data from a Multicenter Cohort
Natasha Le Blanc¹, Lillian Barra², Sasha Bernatsky³, Alison Clifford⁴, Mojtaba Dabaghjamanesh⁵, Natasha Dehghan⁶, Aurore Fifi-Mah⁷, Jean-Paul Makhzoum⁸, Nataliya Milman⁹, Medha Soowamber¹⁰, Nader Khalidi¹¹, Christian Pagnoux¹⁰, Rosalie-Selene Meunier¹², Jan Willem Cohen Tervaert⁴, Elaine Yacyshyn⁴ and Arielle Mendel¹³, ¹McGill University, Montreal, Canada, ²Western University, London, ON, Canada, ³Research Institute of the McGill University Health Centre, Montreal, QC, Canada, ⁴University of Alberta, Edmonton, AB, Canada, ⁵Self employed, Richmond Hill, ON, Canada, ⁶University of British Columbia - Vancouver, Vancouver, BC, Canada, ⁷University of Calgary, Calgary, AB, Canada, ⁸Universite de Montreal, Montreal, Canada, ⁹the Ottawa Hospital, Ottawa, ON, Canada, ¹⁰Mount Sinai Hospital, Toronto, ON, Canada, ¹¹McMaster University, Hamilton, ON, Canada, ¹²Hopital du Sacre-Coeur-de-Montreal, Montreal, QC, Canada, ¹³McGill University Health Centre, Montréal, QC, Canada
Background/Purpose: Antibiotic prophylaxis is recommended during initial treatment of ANCA-associated vasculitis (AAV). We assessed characteristics associated with prophylaxis within a Canadian multicenter AAV cohort starting…

Rituximab in Antiphospholipid Syndrome: aPL Titer Decline and Clinical Outcomes

A Multicenter Retrospective Case Series of Patients with Susac Syndrome treated with Rituximab

Incidence of Clinical Fragility Fractures and Mortality in Patients with Rheumatoid Arthritis Treated with Rituximab

Quantitative Immunoglobulin Screening Prior to Rituximab Initiation: A Retrospective Cohort Study

Rituximab Associated Risk for Progressive Multifocal Leukoencephalopathy Among Patients with Systemic Lupus Erythematosus: A Retrospective Cohort Study

Characteristics of SARS-CoV-2 infected Patients with Rheumatic Diseases on Rituximab: A Subanalysis of the COVID-19 Vaccine Booster in Immunocompromised Rheumatic Diseases (COVBIRD) Study

Rituximab in Treatment Refractory vs Treatment Naive Anti-Signal Recognition Particle (SRP) Myositis – A Case Series

Combination Therapy with Rituximab and Cyclophosphamide for Treating Pediatric Patients with Severe Manifestations of Rheumatic Disease

Rituximab super-responders: characteristics of patients with more than 3 years response to a single cycle of treatment

Comparison of rituximab induction and maintenance regimens in ANCA-associated vasculitis: PK/PD modelling approach in real-world patients

Effectiveness and Safety of Rituximab Biosimilars in Small Vessel Vasculitis: a Systematic Literature Review

Cyclophosphamide versus Rituximab in the treatment of Anca-associated Vasculitis: Adverse events and Relapses

Biomarkers of Innate Immune Activation to Identify Non-Response to Rituximab in Granulomatosis with Polyangiitis

Impact and risk factors of anti-rituximab antibodies in small-vessel vasculitis: a multicenter retrospective study

Antibiotic Prophylaxis during Treatment of ANCA-associated Vasculitis with Rituximab: Data from a Multicenter Cohort

Simple Search Results