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: 1391 • ACR Convergence 2021
Rituximab Is Superior to Placebo in Polymyalgia Rheumatica Patients: A Double Blind Randomized Controlled Proof of Principle Trial
Background/Purpose: Corticosteroids remain the cornerstone of polymyalgia rheumatica treatment, but their use has several disadvantages such as long treatment duration and glucocorticoid-related adverse events.1,2 Data…Abstract Number: 0992 • ACR Convergence 2020
Impact of Selective Inhibitors of Nuclear Export on SLE Plasma Cells Is Modulated by the BM Microenvironment
Background/Purpose: Systemic lupus erythematous (SLE) is a complex autoimmune disorder with heterogeneous disease presentation and a multi-pronged pathogenesis. Although autoreactive plasma cells play a key…Abstract Number: 0994 • ACR Convergence 2020
Does Tofacitinib Impact B Cell Functions?
Background/Purpose: Tofacitinib (tofa) inhibits cytokine signaling mediated by JAK1 JAK3 pathways leading therefore to a decrease in Th17 and an increase of Treg cells. The…Abstract Number: 0995 • ACR Convergence 2020
Jo-1-Binding B Cells Undergo Limited Class-Switching but Are Biased Towards Autoreactive-Prone and Memory B Cell Subsets in Anti-histidyl-tRNA Synthetase Syndrome
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are systemic autoimmune diseases traditionally classified as dermatomyositis or polymyositis, but these disorders are increasingly defined by the presence of…Abstract Number: 0997 • ACR Convergence 2020
Novel Shared Antibody Specificities in Ro Antibody Negative Sjögren’s Syndrome
Background/Purpose: Sjögren’s syndrome (SS) is a rheumatic autoimmune disease characterized by focal lymphocytic infiltrates in the lacrimal and salivary glands, severe dry mouth and eyes,…Abstract Number: 1050 • ACR Convergence 2020
Rituximab in the Treatment of Interstitial Lung Disease Associated with Autoimmune Diseases: Experience from a Single Referral Center
Background/Purpose: The presence of interstitial lung disease (ILD) in patients with autoimmune diseases (AD)s influences significantly on their morbidity and mortality [1]. Different treatment strategies…Abstract Number: 1439 • ACR Convergence 2020
Proteinase 3-Reactive B Cell Pool Restructuring After Rituximab and Risk of Relapse in Severe PR3-ANCA-Associated Vasculitis
Background/Purpose: In ANCA-associated vasculitis (AAV) B cells play a central pathogenic role and are instrumental for the production of ANCA, which are thought to mediate…Abstract Number: 1441 • ACR Convergence 2020
Effects of Belimumab on Renal Outcomes, Overall SLE Control and Biomarkers: Findings from a Phase 3, Randomized, Placebo-controlled 104-week Study in Patients with Active Lupus Nephritis
Background/Purpose: Belimumab (BEL) has demonstrated efficacy in systemic lupus erythematosus (SLE) in 4 positive pivotal trials. This study assessed the efficacy and safety of intravenous…Abstract Number: 1452 • ACR Convergence 2020
Transcriptomic Meta-analysis Reveals a Core Transcriptional Program in Murine B Cell Anergy and Implicates Immunometabolic Regulation as a Central Pathway in Maintaining Non-responsiveness of Autoreactive B-cells in Both Mouse and Man
Background/Purpose: The mechanisms self-tolerance loss that lead to autoantibody-mediated autoimmune disease remain underdefined. The rapid reversibility of peripheral B-cell tolerance in murine models suggests that…Abstract Number: 1578 • ACR Convergence 2020
Rituximab Hypersensitivity in Rheumatic and Inflammatory Diseases: Role of Skin Testing
Background/Purpose: Infusion-related reactions have been reported with rituximab, a monoclonal antibody targeting the CD20 antigen on B cells, and may result in discontinuation of the…Abstract Number: 1693 • ACR Convergence 2020
Evaluation of B-cell Depletion with Rituximab and IVIG Concurrent Treatment in Pediatric Autoimmune Brain Disease
Background/Purpose: Rituximab is standard therapy for autoimmune brain disease (ABD) including autoimmune encephalitis (AE) and Neuromyelitis Optica Spectrum Disease (NMOSD). Recommendations for continuing concurrent intravenous…Abstract Number: 2048 • ACR Convergence 2020
Comparison of Two Rituximab Regimens for Induction of Remission in Antineutrophil Cytoplasm Antibody-associated Vasculitis: Systematic Review and Meta-analysis
Background/Purpose: Organ or life-threatening granulomatosis with polyangiitis (GPA) and microscopic polyangiitis (MPA), two of the antineutrophil cytoplasm antibody-associated vasculitis (AAV), are treated with cyclophosphamide or…Abstract Number: 0775 • ACR Convergence 2020
T and B Cell Responses to Common Tenascin-C Peptides in RA
Background/Purpose: Although autoreactive CD4+ T cell and antibody responses against citrullinated antigens are known to contribute to loss of immune tolerance in rheumatoid arthritis (RA),…Abstract Number: 0860 • ACR Convergence 2020
PREVAIL 1: A Multiple Ascending Dose Study in Normal Healthy Volunteers of PRV-3279, a Novel Bispecific DART Molecule Targeting CD32B and CD79B on B Cells, with Potential for Treatment of SLE
Background/Purpose: B-cell targeted therapeutics have proven efficacious in the treatment of autoimmune disorders. A desired improvement in efficacy and safety necessitate the development of alternate,…
ACR Meeting Abstracts