Abstract Number: 0112 • ACR Convergence 2024
Efforts to Harmonize ELISA and Non-ELISA Anticardiolipin and Anti-β2-glycoprotein-I Levels Based on ISTH SSC LA/aPL and APS ACTION International Multicenter Cohorts
Background/Purpose: Correlation of numerical values between the low, moderate, and high (L, M,H) levels of enzyme-linked immunosorbent assay (ELISA) and non-ELISA platforms for anticardiolipin antibody…Abstract Number: 0128 • ACR Convergence 2024
Damage Index in Patients with Thrombotic Antiphospholipid Syndrome (DIAPS) Version 2.0: One Single Center Pilot Study
Background/Purpose: Antiphospholipid antibody syndrome is the main acquired thrombophilia in the rheumatological area. It is characterized by thrombotic events and obstetric morbidity associated with the…Abstract Number: 2374 • ACR Convergence 2024
Characteristics, Treatment Responses and Prognosis in a Single Center Cohort of SLE Patients with Thrombocytopenia
Background/Purpose: Thrombocytopenia has been reported at frequencies ranging from 10 to 40 % in different cohorts. Treatment can be challenging and due to its considerable…Abstract Number: 0113 • ACR Convergence 2024
Plasma Proteomics Analysis Identifies Thromboinflammatory Signature Associated with Clinical Antiphospholipid Syndrome: Results from Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking (APS ACTION) Registry
Background/Purpose: Antiphospholipid syndrome (APS) is an autoimmune disease with thromboembolic and obstetric morbidity arising via a model of immunothrombosis. Patients may present with thrombotic (tAPS),…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: 2391 • ACR Convergence 2024
Identification of Patients with ANA Negative and Double Stranded DNA Positive: What Is the Significance in Daily Rheumatology Practise
Background/Purpose: The anti-nuclear antibody (ANA test) is a sensitive screening tool used when assessing patients with possible autoimmune rheumatic diseases (ARD). Homogeneous staining positivity is…Abstract Number: 0098 • ACR Convergence 2024
Anti-HSP90α as a Protective Natural Antibody Against Secondary Antiphospholipid Syndrome in Systemic Lupus Erythematosus
Background/Purpose: Heat shock protein 90 alpha (HSP90α) is an epichaperone present ubiquitously inside the cell, whose dimers function as a foldase that helps the correct…Abstract Number: 0114 • ACR Convergence 2024
Rare Germline Variants in Complement Regulatory Genes in Antiphospholipid Antibody Positive Patients: Prospective Results from AntiPhospholipid Syndrome Alliance for Clinical Trials and InternatiOnal Networking (APS ACTION) Clinical Database and Repository (“Registry”)
Background/Purpose: We previously reported that markers of complement activation, specifically elevated C4d levels and positive modified HAM (mHAM) test, are associated with a higher risk…Abstract Number: 0451 • ACR Convergence 2024
Macrophages and Interferon Upregulation in Placentas from Patients with Systemic Lupus Erythematosus, Primary Sjögren’s Disease and Antiphospholipid Syndrome
Background/Purpose: SLE, primary Sjögren’s disease (pSjD) and APS are systemic rheumatic diseases (SRD) that mainly affect women of childbearing age and have been associated with…Abstract Number: 2535 • ACR Convergence 2024
The Lipidomic and Proteomic Profiles in Antiphospholipid Syndrome Patients Are Intricately Linked to Disease Pathogenesis and Modulated by Ubiquinol Supplementation
Background/Purpose: This study aims to:1) Characterize the circulating lipidomic and proteomic profiles of APS patient and analyse its association with clinical features.2) Investigate the short-term…Abstract Number: 0099 • ACR Convergence 2024
Modulating Pentose Phosphate Pathway Metabolism to Temper Neutrophil Hyperactivity in Antiphospholipid Syndrome
Background/Purpose: Neutrophil hyperactivity and neutrophil extracellular trap (NET) release (NETosis) appear to play important roles in antiphospholipid syndrome (APS) pathogenesis. To kill microbes and propel…Abstract Number: 0115 • ACR Convergence 2024
Regional and Ethnoracial Differences Among Antiphospholipid Antibody-Positive Patients with No Other Systemic Autoimmune Rheumatic Diseases: Results from AntiPhospholipid Syndrome Alliance for Clinical Trials and InternatiOnal Networking (APS ACTION) Registry
Background/Purpose: The APS ACTION Registry was created to study long-term outcomes in persistently antiphospholipid antibody (aPL)-positive patients with and without other systemic autoimmune rheumatic diseases…Abstract Number: 0639 • ACR Convergence 2024
Delayed Diagnosis in Systemic Lupus Erythematosus
Background/Purpose: Systemic lupus erythematosus (SLE) is a multi-systemic autoimmune disease of unknown etiology. Diagnosis is often delayed because it frequently mimics symptoms of other diseases;…Abstract Number: 0100 • ACR Convergence 2024
Association Between the Active Form of Plasminogen Activator Inhibitor 1 (PAI-1) and Endothelial Cell Activation in Antiphospholipid Syndrome
Background/Purpose: Plasminogen activator inhibitor 1 (PAI-1), a SERPIN-type inhibitor, is best known for regulating fibrinolysis, where it inhibits the activity of tissue and urokinase plasminogen…Abstract Number: 0116 • ACR Convergence 2024
Assessment of Triple Antiphospholipid Antibody-positive Patients Based on Clinical and Laboratory Domains of 2023 ACR/EULAR Antiphospholipid Syndrome Classification Criteria
Background/Purpose: Triple aPL-positive (lupus anticoagulant test [LA], anticardiolipin antibody (aCL), and anti-β2 glycoprotein-I antibody [aβ2GPI]) patients are at higher risk to develop a severe clinical…
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