Abstract Number: 1473 • 2018 ACR/ARHP Annual Meeting
Performance of the Meso Scale Multiplex Platform in the Assessment of Serum Cytokines / Chemokines in Rheumatoid Arthritis
Background/Purpose: Cytokines and chemokines (CK) are central to RA pathogenesis, a fact underscored by the emergence of multiplex immunoassays for quantifying CK values in both…Abstract Number: 1483 • 2018 ACR/ARHP Annual Meeting
Comparison of Clinical Features of Seronegative and Seropositive Early Rheumatoid Arthritis: Blinded Data from the Ongoing Phase IIb Trial with the EP4 Receptor Antagonist CR6086 in DMARD-Naïve Patients
Background/Purpose: Rheumatoid arthritis patients positive for rheumatoid factor (RF) or anti-cyclic citrullinated peptide antibody (ACPA) are considered to manifest an aggressive disease course compared with…Abstract Number: 1503 • 2018 ACR/ARHP Annual Meeting
Rheumatoid Factor Positivity Is Related with Higher Discontinuation Rate of Tumor Necrosis Factor Inhibitor Therapy Due to Adverse Event and Insufficient Response in Rheumatoid Arthritis: A Multiple Imputation Method for COX Proportional Hazard Model
Background/Purpose: Discontinuation of tumor necrosis factor inhibitor (TNFi) therapy in rheumatoid arthritis (RA) is attributable to various reasons. Above all, adverse event (AE) and insufficient…Abstract Number: 1504 • 2018 ACR/ARHP Annual Meeting
Utility of Serial ACPA Measurements in Rheumatoid Arthritis: Results of a Prospective Cohort Study
Background/Purpose: Anti-citrullinated peptide antibody (ACPA) and rheumatoid factor (RF) define “seropositive” rheumatoid arthritis (RA). Both predict disease course, development of extra-articular features and treatment outcomes.…Abstract Number: 1858 • 2018 ACR/ARHP Annual Meeting
An Assay Panel Combining Anti-Protein Arginine Deiminase 4 with Rheumatoid Factor Isotypes Distinguishes Anti-Citrullinated Peptide Antibody Negative Rheumatoid Arthritis
Background/Purpose: Anti-citrullinated peptide antibodies (ACPAs) are highly specific for rheumatoid arthritis (RA) but lack sensitivity. We evaluated autoantibodies to protein-arginine deiminase 4 (anti-PAD4) in distinguishing…Abstract Number: 1909 • 2018 ACR/ARHP Annual Meeting
Impact and Timing of Smoking Cessation on Reducing Risk for Seropositive Rheumatoid Arthritis Among Women
Background/Purpose: Compared to never smoking, past and current smoking are both associated with increased risk of seropositive rheumatoid arthritis (RA). Thus, smoking cessation may delay…Abstract Number: 2046 • 2018 ACR/ARHP Annual Meeting
Serum Immunoglobulin G Targets Citrulline-Containing Immunoglobulin G Peptides in Rheumatoid Arthritis Patients Who Test Positive for Rheumatoid Factor and Anti-Cyclic Citrullinated Peptide Antibodies
Background/Purpose: Rheumatoid arthritis patients produce a variety of anti-citrullinated protein antibodies (ACPAs) as well as antibodies that bind homocitrullinated and malondialdehyde-acetaldehyde adducted proteins leading to…Abstract Number: 2741 • 2017 ACR/ARHP Annual Meeting
Rheumatoid Factor (RF) Levels Remain Persistently Elevated 24 Weeks after Interferon (INF) Free Direct Antiviral Agents (DAA) Therapy in the Majority of RF+ HCV Infected Persons
Background/Purpose: Cryoglobulinemic vasculitis (CV) is an extrahepatic manifestation of chronic HCV infection. It varies in severity from mild to life threatening. Some but not all…Abstract Number: 2916 • 2017 ACR/ARHP Annual Meeting
The Presence of a Large Number of Autoantibodies at Baseline Is Favourable for Early Treatment Response but Unfavourable for Drug-Free Remission in RA Patients
Background/Purpose: The autoantibody response of seropositive RA is very diverse and consists of various numbers of isotypes and antibodies to multiple post-translational modifications. It is…Abstract Number: 72 • 2017 ACR/ARHP Annual Meeting
The Presence of IgM Rheumatoid Factor Impede Immunodetection of Tnfa on Circulating Extracellular Vesicles Obtained from Rheumatoid Arthritis Patients
Background/Purpose: Tumor-necrosis factor (TNF)-α plays a key role in the pathophysiology of rheumatoid arthritis (RA) and membrane bound TNFα is sufficient to induce arthritis in…Abstract Number: 239 • 2017 ACR/ARHP Annual Meeting
Ultrasound Abnormalities Predict Arthritis Development in ACPA and/or RF Positive Arthralgia Patients
Background/Purpose: Early diagnosis of rheumatoid arthritis (RA) is important for controlling disease activity and preventing joint damage. Individuals positive for anticitrullinated protein antibodies (ACPA) and/or…Abstract Number: 480 • 2017 ACR/ARHP Annual Meeting
ANTI-Carbamylated Protein Antibodies (CARP) in Palindromic Rheumatism: Prevalence and Clinical Significance
Background/Purpose: Autoantibodies (RF or ACPA) are found in sera from patients with palindromic rheumatism (PR) but there are no studies analyzing the presence of Anti-carbamylated…Abstract Number: 482 • 2017 ACR/ARHP Annual Meeting
The Link between ACPA and Erosion Development: Is ACPA Sufficient? an Association Study in Clinically Suspect Arthralgia
Background/Purpose: Anti-citrullinated protein antibodies (ACPA) associate with more severe joint erosions in rheumatoid arthritis (RA), but the underlying mechanism is unclear. Recent in vitro and…Abstract Number: 1250 • 2017 ACR/ARHP Annual Meeting
Outcomes in Real-World Patients with Early Aggressive Rheumatoid Arthritis
Background/Purpose: The window of opportunity to address early rheumatoid arthritis (RA) in patients (pts) is well documented. However early aggressive (agr) RA needs further study…Abstract Number: 1376 • 2017 ACR/ARHP Annual Meeting
Diagnostic Performance of 7 Different Anti-Cyclic Citrullinated Peptide Antibody and 6 Rheumatoid Factor Assays in a Primary Diagnostic, Consecutive Rheumatological Population in a Secondary Care Hospital
Background/Purpose: The clinical diagnosis of rheumatoid arthritis (RA) remains a challenge, making serological markers most interesting. The 2010 ACR/EULAR classification criteria for RA take into…
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