Abstract Number: 0435 • ACR Convergence 2025
Comparative Outcomes in Seropositive and Seronegative Rheumatoid Arthritis: A Retrospective Cohort Study
Background/Purpose: Rheumatoid arthritis (RA) is a chronic autoimmune disease that manifests as either seropositive or seronegative subtypes. Seropositive RA, characterized by the presence of autoantibodies…Abstract Number: 0430 • ACR Convergence 2025
Retrospective evaluation of the clinical impact of democgraphic , serological , clinical , radiological parameters and treatment modalities in patients with RA-ILD
Background/Purpose: RA-ILD is significant determinants of morbidity and mortality. This study aims to evaluate the demographic and serological characteristics of RA-ILD patients and investigate the…Abstract Number: 2279 • ACR Convergence 2025
Long-Term Prevention of RA in high-risk individuals after a 6-Month Placebo-Controlled Intervention with Abatacept -The ARIAA Trial
Background/Purpose: A 6-month intervention with abatacept in the ARIAA trial (EUDRA-CT 2014–000555–93) significantly retarded the development of RA compared to placebo in ACPA-positive individuals with…Abstract Number: 0155 • ACR Convergence 2025
Effect Modification of Cigarette Smoking on the Relationship between Post Traumatic Stress Disorder and Rheumatoid Arthritis Risk
Background/Purpose: Post-traumatic stress disorder (PTSD) is associated with increased systemic inflammation that may increase the risk of developing autoimmune disorders such as rheumatoid arthritis (RA).…Abstract Number: 2274 • ACR Convergence 2025
Importance Of Fc Region On Therapeutic Survival In Rheumatoid Arthritis Patients With Anti-TNF Therapy
Background/Purpose: In patients affected by rheumatoid arthritis (RA), it has been studied a relation between high rheumatoid factor (RF) and a favorable response to anti-TNF…Abstract Number: 0089 • ACR Convergence 2025
Expansion of PD-1hi Tfh and Tph cells in the peripheral blood of seropositive clinically suspect arthralgia patients: association with progression to rheumatoid arthritis
Background/Purpose: Subjects with clinically suspect arthralgia (CSA) are at risk for developing rheumatoid arthritis (RA) and therapeutic interventions may prevent or delay progression. Still, a…Abstract Number: 2268 • ACR Convergence 2025
Differential Impact of Certolizumab Pegol, Etanercept, and Adalimumab on Rheumatoid Factor Reduction and Seroconversion in Rheumatoid Arthritis: A Propensity Score–Matched Study
Background/Purpose: Rheumatoid factor (RF) is an antibody that contributes to the development of rheumatoid arthritis (RA) and is associated with greater disease severity. Seroconversion of…Abstract Number: 0074 • ACR Convergence 2025
Rheumatoid Factors (RFs) in RA Patient Sera Do Not Bind To Fc-Free Certolizumab Pegol, But Do Bind To Fc-Containing Anti-TNF-α Biological DMARDs, Driving Immune Complex Formation and Cellular Clearance
Background/Purpose: RFs are polyclonal autoantibodies which bind the Fc domain of IgGs. Patients with RA and high RF levels experience reduced serum drug concentrations and…Abstract Number: 2261 • ACR Convergence 2025
Palindromic Rheumatism and Predictors of Progression to Rheumatoid Arthritis: Experience from a Tertiary Care Center in Northern India
Background/Purpose: Palindromic Rheumatism (PR) is recognized as a clinical syndrome of intermittent episodes of pain, swelling, and erythema in and around joints, which are severe…Abstract Number: 0073 • ACR Convergence 2025
HLA-DQA1*01:02 Is Associated With IgG Multi-Reactivity With Citrulline-Containing Type II Collagen Epitopes While HLA-DRB*04:01 Is Associated With More Private Reactivity With Citrulline-Containing IgG Epitopes In Rheumatoid Arthritis
Background/Purpose: Anti-citrullinated protein antibodies (ACPAs) in rheumatoid arthritis (RA) can be promiscuous, with cross-reactive binding to many antigens containing short motifs, or more private with…Abstract Number: 2248 • ACR Convergence 2025
Elevated Anti-PAD Autoantibodies in a Singaporean Chinese Rheumatoid Arthritis (RA) Cohort with Rheumatoid Factor (RF) and Anti-Citrullinated Protein Antibodies (ACPA) Positivity: A Case-control Exploratory Study
Background/Purpose: Autoantibody-based biomarkers including ACPA and RF are of established clinical use in rheumatoid arthritis (RA) and are ingrained in international classification criteria. However, other…Abstract Number: 2231 • ACR Convergence 2025
Inverse Correlation Between Neutrophil Activation and Rheumatoid Factor Concentrations in Rheumatoid Arthritis (RA)
Background/Purpose: Neutrophils are crucial in fibro-inflammatory diseases like Crohn's disease (CD) and rheumatoid arthritis (RA), but their biomarkers are better established in CD than in…Abstract Number: 1692 • ACR Convergence 2025
Rheumatoid factor is associated with increased gut permeability and migration of B cells to the joint via CXCR3 in rheumatoid arthritis
Background/Purpose: It has been proposed that the mucosal environment is associated with the pathogenesis of rheumatoid arthritis (RA). In addition to gut dysbiosis, intestinal barrier…Abstract Number: 1366 • ACR Convergence 2025
Cost Per Responder Analysis of Certolizumab Pegol Versus Adalimumab in Patients with Moderate to Severe Active Rheumatoid Arthritis and High Rheumatoid Factor Levels: A Payer Perspective from Canada and Brazil
Background/Purpose: According to the 2022 EULAR recommendations for the management of rheumatoid arthritis (RA), the presence of rheumatoid factor (RF), particularly at high levels, is…Abstract Number: 1322 • ACR Convergence 2025
High Rheumatoid Factor Titers and Biologic Persistence in RA: Beyond TNF Inhibitors
Background/Purpose: Rheumatoid factor (RF), an autoantibody targeting the Fc portion of IgG, is one of the most studied biomarkers in rheumatoid arthritis (RA). High RF…
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