Abstract Number: L21 • ACR Convergence 2021
Rituximab versus Conventional Therapeutic Strategy for Remission Induction in Eosinophilic Granulomatosis with Polyangiitis: A Double-blind, Randomized, Controlled Trial
Background/Purpose: Eosinophilic granulomatosis with polyangiitis (EGPA) is an eosinophilic ANCA-associated vasculitis.Glucocorticoids, alone or in combination with cyclophosphamide in severe forms, induce remission in most patients…Abstract Number: L13 • ACR Convergence 2021
Efficacy and Safety of Subcutaneous Belimumab (BEL) and Rituximab (RTX) Sequential Therapy in Patients with Systemic Lupus Erythematosus: The Phase 3, Randomized, Placebo-Controlled BLISS-BELIEVE Study
Background/Purpose: Disease control remains an unmet need in SLE. The rationale for sequential BEL and RTX therapy in SLE was previously published.1 This study evaluated…Abstract Number: 0032 • ACR Convergence 2021
IL-40: A New B-cell Associated Cytokine Up-regulated in Rheumatoid Arthritis Decreases Following the Rituximab Therapy and Correlates with Disease Activity, Autoantibodies and NETosis
Background/Purpose: Interleukin 40 (IL-40) is recently identified B cell - associated cytokine implicated in humoral immune responses and in B cell development and homeostasis. As…Abstract Number: 0102 • ACR Convergence 2021
Differential Impact of TNFi, JAKi and Rituximab on the Outcome of SARS-CoV-2 Infection in RMD Patients
Background/Purpose: Due to the impressive efforts of the global scientific rheumatology community, increasing evidence about inflammatory rheumatic and musculoskeletal diseases (RMD) specific risk factors in…Abstract Number: 0321 • ACR Convergence 2021
Sequential Administration of Belimumab and Rituximab in Primary Sjögren’s Syndrome Reduces Minor Salivary Gland–Resident B Cells and Delays B-Cell Repopulation in Circulation
Background/Purpose: Primary Sjögren’s syndrome (pSS) is characterized by B-cell hyperactivity and elevated serum and saliva B-lymphocyte stimulator (BLyS) levels.1 Sequential administration of belimumab (BEL; anti-BLyS)…Abstract Number: 0416 • ACR Convergence 2021
Pharmacological Response of Rituximab Based on Dose Intensity in Maintenance Therapy of ANCA-Associated Vasculitis
Background/Purpose: Rituximab (RTX) has demonstrated efficacy in maintenance therapy in ANCA-associated vasculitis. However, different dosing protocols have been used in clinical trials and there is…Abstract Number: 0437 • ACR Convergence 2021
Factors Associated with Reduced Immunogenicity of the BNT162b2 mRNA COVID-19 Vaccine in Patients with Autoimmune Inflammatory Rheumatic Diseases (AIIRD) Treated with Rituximab
Background/Purpose: Rituximab (RTX) has been associated with impaired humoral response to vaccination. This study aim was to identify the predictors for a lack of humoral…Abstract Number: 0496 • ACR Convergence 2021
Safety and Efficacy of Rituximab for Systemic Sclerosis: A Double-Blind, Parallel-Group Comparison, Investigators Initiated Confirmatory Randomized Clinical Trial (DESIRES Study)
Background/Purpose: Systemic sclerosis (SSc) is a systemic autoimmune disease belonging to collagen diseases, characterized by fibrosis of various organs including the skin and lungs, and…Abstract Number: 0648 • ACR Convergence 2021
Improving Post-Rituximab Hypogammaglobulinemia Risk Assessments: A Fellows’ Quality Improvement Initiative
Background/Purpose: Hypogammaglobulinemia following rituximab therapy is a potentially severe complication that can lead to infection-related morbidity and mortality. If recognized, clinicians may prevent infections by…Abstract Number: 0649 • ACR Convergence 2021
Optimizing SARS-CoV-2 Vaccine Timing in Rituximab-Treated Patients with Autoimmune Rheumatic Diseases: A Quality Improvement Intervention
Background/Purpose: Experience with rituximab (RTX) in autoimmune rheumatic disease (AIRD) has shown a clear association with hypogammaglobulinemia, serious infections, and impaired humoral response to certain…Abstract Number: 0835 • ACR Convergence 2021
Immunogenicity of Rituximab Biosimilar GP2013 in Chronic Inflammatory Rheumatic Disorders in Daily Clinical Practice
Background/Purpose: To study in daily practice the risk of immunogenicity of patients treated with rituximab (RTX) biosimilar GP2013 for their chronic inflammatory rheumatic disorder.Methods: A…Abstract Number: 0954 • ACR Convergence 2021
The Association of Rituximab- vs. Cyclophosphamide-Based Remission Induction Strategies with Risk of End-Stage Renal Disease and Death in ANCA-Associated Vasculitis
Background/Purpose: The RAVE trial established the non-inferiority of rituximab (RTX) vs cyclophosphamide (CYC) for remission induction of ANCA-Associated Vasculitis (AAV). Patients in RAVE were followed…Abstract Number: 0964 • ACR Convergence 2021
Rituximab Treatment Dramatically Reduces Neutralizing Humoral Response to mRNA SARS-COV-2 Vaccines in Patients with Autoimmune Diseases
Background/Purpose: The global COVID-19 pandemic is starting to be controlled by massive vaccination. Some immunosuppressed patients have already paid a high price to the pandemic…Abstract Number: 0987 • ACR Convergence 2021
Rituximab Prevents the Progression of B-cell Driven Inflammatory Infiltrate in the Minor Salivary Glands of Primary Sjogren’s Syndrome by Downregulating Immunological Pathways Key in Ectopic Germinal Centre Organization: Results from the TRACTISS Trial
Background/Purpose: The pathogenic role of B-cells in primary Sjögren’s Syndrome (pSS) is well established and B cell abnormalities are hallmarks of the disease. Because of…Abstract Number: 1224 • ACR Convergence 2021
Low CD39 Expression on B Cells Predicts the Occurrence of Anti-Drug Antibodies in RA Patients Treated with Rituximab
Background/Purpose: Anti-Drug antibodies (ADAb) are well studied and have an impact on response to treatment with monoclonal anti-TNF biologics. Rituximab treatment has an important immunogenic…
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