Abstract Number: 0129 • ACR Convergence 2024
The Efficacy and Safety of Telitacicept Following Rituximab Immunotherapy on Antiphospholipid Syndrome, a Prospective 24- Week Study
Background/Purpose: Antiphospholipid syndrome (APS) is a challenging disease to treat and lack effective therapies. Rituximab (RTX) can deplete CD20+ peripheral B cells. Telitacicept (TA) is…Abstract Number: 0244 • ACR Convergence 2024
Adjunctive Belimumab Exerts Favorable Ferritin Recovery and Survival for Post-COVID Interstitial Lung Disease in Patients with Immune Mediated Inflammatory Diseases Treated with Rituximab: A Case Series
Background/Purpose: Post-COVID interstitial lung disease (post-COVID ILD) is a critical sequelae yet the role of immunomodulatory therapies remains unclear. We explored to characterize post-COVID ILD…Abstract Number: 0252 • ACR Convergence 2024
Prospective Study of Severe Infectious Events and Immune Reconstitution After Rituximab in Autoimmune Diseases
Background/Purpose: Rituximab (RTX) administration in autoimmune diseases (AID) is associated with severe infectious events (SIE). Frequency of SIE and immune reconstitution (B cells, T cells,…Abstract Number: 0289 • ACR Convergence 2024
Effectiveness of Rituximab in IgG4 Related Disease
Background/Purpose: IgG4-related disease (IgG4-RD) is a systemic fibroinflammatory disease often associated with elevated serum IgG4 levels. High dose corticosteroids are the cornerstone of treatment, but…Abstract Number: 0338 • ACR Convergence 2024
Anti-MDA5 Antibody-positive Dermatomyositis Associated Interstitial Lung Disease – Survival Benefit of Treatment with Rituximab, Janus Kinase Inhibitor and Glucocorticoid Combination in a Prospective Cohort
Background/Purpose: Anti-melanoma differentiation-associated protein 5 antibody associated dermatomyositis (Anti-MDA5 DM) is known to be an aggressive disease. Earlier cohorts reported a 1-year mortality of 38%-57%, with rapidly…Abstract Number: 0513 • ACR Convergence 2024
Effects of Cumulative Rituximab Exposure in Patients with Rheumatoid Arthritis: Results from Cohort at a Tertiary Academic Health Care Setting
Background/Purpose: Rituximab targets CD20-positive B cells and is used to treat rheumatoid arthritis (RA). B cell depletion may result in hypogammaglobulinemia. Hypogammaglobulinemia is a risk…Abstract Number: 0526 • ACR Convergence 2024
Comparing Immunogenicity and Safety Following Transition from Reference Rituximab to Biosimilar Rituximab (DRL_RI) in Patients with Rheumatoid Arthritis: A Randomized, Double-blind, Phase 3 Study
Background/Purpose: To assess immunogenicity and safety in patients with active rheumatoid arthritis (RA) transitioning from US-Rituximab (RP) or EU-Rituximab (RMP) to DRL_RI (proposed rituximab biosimilar),…Abstract Number: 0535 • ACR Convergence 2024
Oral Glucocorticoid Premedication Is at Least as Effective as Intravenous Glucocorticoid Premedication for Prevention of Infusion-related Reactions to Rituximab in Rheumatoid Arthritis Patients
Background/Purpose: It has been demonstrated that pretreatment with intravenous glucocorticoids can prevent infusion-related reactions (IRR) that may occur in RA patients receiving rituximab infusions [1].…Abstract Number: 0825 • ACR Convergence 2024
Biosimilars of Rituximab in ANCA-associated Vasculitis Compared to the Originator (BRAVO): 6-month Outcomes of a Longitudinal Cohort Study
Background/Purpose: To evaluate the effectiveness and safety of rituximab (RTX) biosimilars compared to the originator in Canadians with granulomatosis with polyangiitis (GPA) and microscopic polyangiitis…Abstract Number: 1162 • ACR Convergence 2024
Evaluating the Efficacy of Rituximab in the Treatment of Refractory Adult Idiopathic Inflammatory Myositis Using Total Improvement Score: Data from a Real-World Multi-Centre Registry in the United Kingdom
Background/Purpose: B cell depletion in the form of rituximab (RTX) is an established treatment modality for idiopathic inflammatory myopathies (IIM). Treatment response is now assessed…Abstract Number: 1276 • ACR Convergence 2024
Therapeutic Drug Monitoring (TDM) of Rituximab to Predict Early B-Cell Repopulation in Children
Background/Purpose: Rituximab is increasingly used in pediatric inflammatory diseases, with dosing extrapolated from adult data due to a lack of pediatric-specific pharmacokinetic (PK) information. Children…Abstract Number: 1396 • ACR Convergence 2024
Low CD47 Expression on B Cells, Induces High B Cell Phagocytosis by Macrophages and Is a Predictive Biomarker of Anti-rituximab Antibodies and Lower Response in Rheumatoid Arthritis
Background/Purpose: Rituximab (RTX) provides long lasting efficacy in the control of rheumatoid arthritis. Among factors associated with RTX failure are the occurrence of anti-drug antibodies…Abstract Number: 1539 • ACR Convergence 2024
Effectiveness & Safety of Early versus Late Use of Rituximab in Extra-renal Lupus: Real World Experience from a Tertiary Care Centre
Background/Purpose: Rituximab, a monoclonal antibody targeting CD20 positive B cells failed to show effectiveness in SLE, including EXPLORER and LUNAR trials.However, real world data in…Abstract Number: 1541 • ACR Convergence 2024
Effect of Rituximab on Long-term Damage Acquisition in Patients with Systemic Lupus Erythematosus
Background/Purpose: B-cell depletion has been used to treat patients with systemic lupus erythematosus (SLE) for over twenty years, but we still lack studies that evaluate…Abstract Number: 1727 • ACR Convergence 2024
Duration of SARS-CoV-2 Viral Shedding After Infection Among Patients with Rheumatic Disease Using Tumor Necrosis Factor Inhibitors or Rituximab
Background/Purpose: Individuals with rheumatic disease receiving certain immunosuppressive agents are at risk for severe COVID-19. However, it is unclear if rheumatic disease treatments affect the…
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