Abstracts tagged "Rheumatoid Factor"

Abstract Number: 1721 • ACR Convergence 2020
Increasing Autoantibody Positivity During Pre-RA Is Associated with the Imminent Development of Classifiable RA
Heinrich-Karl Greenblatt¹, Ted Mikuls², Jess Edison³, Marie Feser⁴, Mark Parish⁵, LauraKay Moss⁵, Elizabeth Mewshaw⁶ and Kevin D. Deane⁷, ¹University of Colorado School of Medicine, Aurora, CO, ²University of Nebraska Medical Center, Omaha, NE, ³Walter Reed National Military Medical Center, Bethesda, ⁴Division of Rheumatology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA, Colorado, ⁵University of Colorado Anschutz Medical Campus, Aurora, CO, ⁶Walter Reed National Military Medical Center, Bethesda, MD, ⁷2 Division of Rheumatology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA, Colorado
Background/Purpose: Autoantibodies including rheumatoid factor (RF) and antibodies to citrullinated protein antigens (ACPA) may be elevated during a period that can be termed ‘Pre-RA’. In…
Abstract Number: 1753 • ACR Convergence 2020
Substantial Work Limitations in Patients with Rheumatoid Arthritis Despite Optimal Treat-to-Target (T2T) Drug Therapy Intervention
Sara Eileen Meyer¹, Julianna Rachel Hoeper², Kirsten Hoeper¹, Torsten Witte³ and Dirk Meyer-Olson⁴, ¹Medizinische Hochschule Hannover, Klinik für Rheumatologie und Immunologie und Regionales Kooperatives Rheumazentrum Niedersachsen e.V., Hanover, Germany, ²Center for Health Economics Research Hannover, Leibniz Universität Hannover, Hannover, Hanover, Germany, ³Medizinische Hochschule Hannover, Klinik für Rheumatologie und Immunologie und Regionales Kooperatives Rheumazentrum Niedersachsen e.V., Hannover, Germany, ⁴Medizinische Hochschule Hannover, Klinik für Rheumatologie und Immunologie und Regionales Kooperatives Rheumazentrum Niedersachsen e.V., m&i Fachklinik Bad Pyrmont und Medizinisches Forschungszentrum Weserbergland, Hanover, Germany
Background/Purpose: Rheumatoid arthritis (RA) is associated with restrictions on occupational participation caused by periods of sick leave (absenteeism), reduced productivity at work due to disease…
Abstract Number: 0157 • ACR Convergence 2020
Early Arthritis Global Assesment: What Differences Exist Between Patients and Physicians?
Cristina Valero¹, Noelia Garcia¹, Juan Pablo Baldivieso², Ana Ortiz³, Sebastian Rodriguez² and Isidoro González-Álvaro³, ¹Hospital Universitario de la Princesa, IIS-Princesa, UAM, Madrid, Madrid, Spain, ²Hospital de La Princesa, Madrid, Madrid, Spain, ³Hospital Universitario de la Princesa, IIS-Princesa, Madrid, Madrid, Spain
Background/Purpose: In recent years there is increasing evidence of the relevance of including the assessment of the different aspects of rheumatoid arthritis (RA) from the…
Abstract Number: 0182 • ACR Convergence 2020
Chronic Kidney Disease Is Underestimated in Patients with Rheumatoid Arthritis – Real World Data Gathered from a Network of Rheumatologists
Stefan Kleinert¹, Peter Bartz-Bazzanella², Cay von der Decken³, Kirsten Karberg⁴, Florian Schuch⁵, Georg Gauler⁶, Patrick Wurth⁷, Susanna Spaethling-Mestekemper⁸, Christoph Kuhn⁹, Matthias Englbrecht¹⁰, Wolfgang Vorbrueggen¹¹ and Martin Welcker¹², ¹Rheumatology-Nephrology Practice, Erlangen, Germany, ²Department of Rheumatology, Internal Medicine, Rhein-Maas-Hospital, Wuerselen, Germany, ³Medical Centre Stolberg, Stolberg, Germany, ⁴Practice for Rheumatology and Internal Medicine, Berlin, Germany, ⁵Rheumatology-Nephrology Practice, Erlangen, ⁶Rheumatology Practice, Osnabrueck, ⁷Rheumatology Practice, Osnabrueck, Germany, ⁸Rheumatology Group Practice, Muenchen, Germany, ⁹Rheumatology Practice, Karlsruhe, ¹⁰Freelance Healthcare Data Scientist, Eckental, Germany, ¹¹Foundation for fostering rheumatology, Wuerselen, Germany, ¹²MVZ für Rheumatologie Dr. M. Welcker, Planegg, Germany
Background/Purpose: Patient registries have become a common approach to learn from patient-related data by prospectively including large numbers of individuals into a sample followed over…
Abstract Number: 0754 • ACR Convergence 2020
The Association Between Continuous Decreases in Serum RF Titers and Radiographic Remission of Joint Damage in RA Patients Treated with Biological or Targeted Synthetic DMARDs
Takayoshi Owada¹, Ayae Tanaka², Hirokuni Hirata¹, Masafumi Arima³, Yasutsugu Fukushima¹ and Kazuhiro Kurasawa³, ¹Dokkyo Medical University Saitama Medical Center, Koshigaya, Saitama, Japan, ²Dokkyo Medical University, Shimotsuga-Gun, Japan, ³Dokkyo Medical University, Mibu, Shimotsugagun, Tochigi, Japan
Background/Purpose: Rheumatoid factors (RFs) are RA-related autoantibodies like anti-cyclic citrullinated peptide antibodies, and are used for classifying and diagnosing RA. In addition, positivity and high…
Abstract Number: 0758 • ACR Convergence 2020
Anti-citrullinated Protein Antibodies Are Associated with Functional Disability in Unaffected First-degree Relatives of Rheumatoid Arthritis Patients
Dana Wiens¹, Irene Smolik¹, Xiaobo Meng¹, Vidyanand Anaparti¹, Hani El-Gabalawy¹ and Liam O'Neil¹, ¹University of Manitoba, Winnipeg, MB, Canada
Background/Purpose: The preclinical stage of Rheumatoid Arthritis (RA) is characterized by seropositivity for anti-citrullinated protein antibodies (ACPA). We (PubMed ID 30861615), and others, have shown that ACPA seropositivity…
Abstract Number: 0768 • ACR Convergence 2020
Dynamics of Follicular Helper T Cells Subsets in Rheumatoid Arthritis Patients Before and After Treatment
Paola Virginia Ferrero¹, Luisina Onofrio¹, Cristina del Valle Acosta¹, Estefania Raquel Zacca¹, Nicolas Eric Ponce², Eduardo Mussano¹, Ignacio Isaac Cadile¹, Laura Onetti¹, Marina Werner¹, Alicia Beatriz Costantino¹, Eva Virginia Acosta Rodriguez³ and Adriana Gruppi², ¹HOSPITAL NACIONAL DE CLINICAS, FACULTAD DE MEDICINA, UNIVERSIDAD NACIONAL DE CORDOBA, CORDOBA, Cordoba, Argentina, ²FACULTAD DE CIENCIAS QUIMICAS, UNIVERSIDAD NACIONAL DE CORDOBA. CENTRO DE INVESTIGACIONES EN BIOQUIMICA CLINICA E INMUNOLOGIA, CORDOBA, Cordoba, Argentina, ³FACULTAD DE CIENCIAS QUIMICAS, UNIVERSIDAD NACIONAL DE CORDOBA. CENTRO DE INVESTIGACIONES EN BIOQUIMICA CLINICA E INMUNOLOGIA, CORDOBA, Argentina
Background/Purpose: Rheumatoid Arthritis (RA) is a chronic inflammatory disease characterized by the production of autoantibodies like rheumatoid factor and anti- citrullinated protein. CD4+ follicular helper T…
Abstract Number: 0813 • ACR Convergence 2020
Treatment Outcomes in Patients with Seropositive versus Seronegative Rheumatoid Arthritis in Czech Registry ATTRA Treated with JAK Inhibitors
Karel Pavelka¹ and Zlatuše Křístková², ¹Institute of Rheumatology and Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic, ²Institute of Biostatistics and Analyses, Ltd., Brno, Czech Republic
Background/Purpose: Seropositivity / seronegativity in RA may have influence on response to bDMARDs or tsDMARDs. There is incomplete knowledge of differences in efficacy of JAK…
Abstract Number: 145 • 2020 Pediatric Rheumatology Symposium
Anti-Citrullinated Protein Antibodies (ACPA) and Bony Erosions in Polyarticular JIA
Saumya Joshi¹, Yujuan Zhang ¹ and Trevor Davis ², ¹Tufts Medical Center, Boston, Massachusetts, ²Norwell, Massachusetts
Background/Purpose: Despite being a well-established biomarker for classification of aggressive bony disease in adults with RA, ACPA have not yet been described in the ILAR…
Abstract Number: 51 • 2019 ACR/ARP Annual Meeting
Cigarette Smoking Has Different Impacts on ACPA and RF Production Depending on Shared Epitope Allele Status in Japanese RA Patients; A Study with the Two Independent Japanese Cohorts (IORRA and KURAMA)
Yuki Ishikawa¹, Motomu Hashimoto ², Katsunori Ikari ³, Koichiro Ohmura ⁴, Masao Tanaka ⁴, Hiromu Ito ⁴, Atsuo Taniguchi ³, Hisashi Yamanaka ³, Tsuneyo Mimori ⁴ and Chikashi Terao ⁵, ¹Joslin Diabes Center, Boston, MA, ²Department of Advanced Medicine for Rheumatic Diseases, Kyoto University Graduate School of Medicine, Kyoto, Japan, ³Tokyo Women’s Medical University, Tokyo, Japan, ⁴Graduate School of Medicine, Kyoto University, Kyoto, Japan, ⁵RIKEN, Tokyo, Japan
Background/Purpose: In rheumatoid arthritis (RA), cigarette smoking affects both rheumatoid factor (RF) and anti-citrullinated cyclic peptide/protein antibody (ACPA) production, but its association in relation to…
Abstract Number: 464 • 2019 ACR/ARP Annual Meeting
Continuous Decrease in Serum RF Titer During Anti-TNF Therapy Was Associated with Suppression in Progression of RA Joint Damage
Takayoshi Owada¹, Kazuhiro Kurasawa ¹, Yuta Takamura ¹, Toshiyuki Miyao ¹, Ayae Tanaka ¹, Ryutaro Yamazaki ¹, Satoko Arai ¹, Reika Maezawa ¹ and Masafumi Arima ¹, ¹Dokkyo Medical University, Mibu-machi, Shimotsuga-gun, Tochigi, Japan
Background/Purpose: A number of studies have investigated the association between serum RF and joint damage in early and established RA patients, and positive and high-titer…
Abstract Number: 1504 • 2018 ACR/ARHP Annual Meeting
Utility of Serial ACPA Measurements in Rheumatoid Arthritis: Results of a Prospective Cohort Study
Alistair Reid^1,2,3, Michael D Wiese⁴, Robert Metcalf⁵, Mihir D Wechalekar^6,7, Anita Lee^8,9, Catherine Hill^2,10,11, Cindy Hall⁸, Leah McWilliams⁵, Les Cleland⁸ and Susanna Proudman¹², ¹Rheumatology, Royal Adelaide Hospital, NORTH ADELAIDE, Australia, ²Medicine, The University of Adelaide, Adelaide, Australia, ³Medicine, University of Wollongong, Wollongong, Australia, ⁴School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, Australia, ⁵Rheumatology Unit, Royal Adelaide Hospital, South Australia, Adelaide, Australia, ⁶Royal Adelaide Hospital, Adelaide, Australia, ⁷Rheumatology, Flinders University, Adelaide, Australia, ⁸Rheumatology, Royal Adelaide Hospital, Adelaide, Australia, ⁹Rheumatology, University of Adelaide, Adelaide, Australia, ¹⁰The Queen Elizabeth Hospital, Adelaide, Australia, ¹¹Rheumatology Unit, Royal Adelaide Hospital, Adelaide, Australia, ¹²Royal Adelaide Hospital, Rheumatology Unit and University of Adelaide, Discipline of Medicine, Adelaide, Australia
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
Thierry Dervieux¹, Laura Martinez Prat², John Conklin¹, Claudia Ibarra¹, Michael Mahler², Michael E Weinblatt³ and Joel Kremer⁴, ¹Exagen Diagnostics, Inc., Vista, CA, ²Research and Development, Inova Diagnostics, San Diego, CA, ³Brigham and Women's Hospital, Boston, MA, ⁴Albany Medical College and The Center for Rheumatology, Albany, NY
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
Xinyi Liu¹, Cianna Leatherwood¹, Sara K. Tedeschi¹, Medha Barbhaiya², Cameron Speyer¹, Bing Lu³, Karen Costenbader¹, Elizabeth Karlson¹ and Jeffrey A. Sparks¹, ¹Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, ²Rheumatology, Hospital for Special Surgery, New York, NY, ³Division of Rheumatology, Immunology and Allergy, Brigham & Women's Hospital, Harvard Medical School, Boston, MA
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
Mandar Bawadekar¹, Zihao Zheng², Alan J. Bridges^3,4, Michael A. Newton⁵ and Miriam A. Shelef^1,4, ¹Department of Medicine, Division of Rheumatology, University of Wisconsin - Madison, Madison, WI, ²Departments of Statistics, University of Wisconsin - Madison, Madison, WI, ³Medicine, University of Wisconsin - Madison, Madison, WI, ⁴William S. Middleton Memorial Veterans Hospital, Madison, WI, ⁵Departments of Statistics and of Biostatistics and Medical Informatics, University of Wisconsin - Madison, Madison, WI
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…