Abstracts tagged "Rheumatoid Factor"

Abstract Number: 1654 • ACR Convergence 2021
Comparative Characteristics of the Natural Course of Early Rheumatoid Arthritis with Onset at a Young Age (18-49 Years) and Older (50 Years and Older) Patients Who Did Not Take DMARDs, Biologics, Other Targeted Drugs, Corticoids According to the Russian Register of Arthritis OREL
Azamat Satybaldyev, Galina Gridneva, Anna Misiyuk, Natalia Demidova, Kamalia Kasumova and Evgeny Nasonov, V.A. Nasonova Reseach Institute of Rheumatology, Moscow, Russia
Background/Purpose: Comparison of frequency of different clinical features of the natural course at the stage of early rheumatoid arthritis (RA) in patients with young and…
Abstract Number: 0007 • ACR Convergence 2021
Divergent Reactivities of Rheumatoid Factors and Anti-Modified Protein Antibodies Converge on IgG Epitopes
Aisha Mergaert¹, Zihao Zheng¹, Michael Denny¹, Maya Amjadi¹, Janna Bashar¹, Michael Newton¹, Vivianne Malmström², Caroline Grönwall², Sara McCoy¹ and Miriam Shelef¹, ¹University of Wisconsin, Madison, WI, ²Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
Background/Purpose: Rheumatoid arthritis (RA) patients often develop rheumatoid factors (RFs), antibodies that bind IgG Fc, and anti-modified protein antibodies (AMPAs), multi-reactive autoantibodies that commonly bind…
Abstract Number: 0015 • ACR Convergence 2021
Rheumatoid Factor Recognizes Specific Domains of IgG Heavy Chain Complexed with HLA Class II Molecules
Shanshan Zhang¹, Hideaki Tsuji¹, Hui Jin², Koji Kitagori¹, Shuji Akizuki³, Kosaku Murakami¹, Ran Nakashima¹, Hajime Yoshifuji¹, Masao Tanaka¹, Hisashi Arase², Koichiro Ohmura⁴ and Akio Morinobu¹, ¹Kyoto University, Kyoto, Japan, ²Osaka University, Osaka, Japan, ³Kyoto Universtiy, Kyoto City, Japan, ⁴Kobe City Medical Center General Hospital, Kobe, Japan
Background/Purpose: Rheumatoid factor (RF) is an autoantibody that binds to IgG Fc region (CH2 and CH3 domains) and is detectable in patients with rheumatoid arthritis…
Abstract Number: 0039 • ACR Convergence 2021
Elevated IgA Subclass Levels in Rheumatoid Arthritis Patients: Indications of a Mucosal Origin?
Veerle Derksen, Cornelia F. Allaart, Annette H.M van der Helm-van Mil, Tom WJ Huizinga, René Toes and Diane van der Woude, Leiden University Medical Center, Leiden, Netherlands
Background/Purpose: Mucosal surfaces may be involved in the pathophysiology of rheumatoid arthritis (RA) (1). IgA is the most abundant class of immunoglobulin at mucosal sites…
Abstract Number: 0253 • ACR Convergence 2021
Rheumatoid Factor Status as a Predictor of Disease Activity and Disability:An Analysis of the New CARRA Registry Polyarticular Juvenile Idiopathic Arthritis Cohort
Nayimisha Balmuri¹, William Soulsby², Victoria Cooley³, Linda Gerber⁴, Erica Lawson² and Karen Onel¹, ¹Hospital for Special Surgery, New York, NY, ²University of California San Francisco, San Francisco, CA, ³Weil Cornell Medicine, New York, NY, ⁴Weill Cornell Medicine, New York, NY
Background/Purpose: Children with rheumatoid factor (RF) positive polyarticular JIA (pJIA) are less likely to go into remission and more likely to develop erosive disease than…
Abstract Number: 0269 • ACR Convergence 2021
Autoantibodies and the Risk of Incident Cardiovascular Disease in US Veterans with Rheumatoid Arthritis
Tate Johnson¹, Michael Duryee², Carlos Hunter², Punyasha Roul², Yangyuna Yang², Jeremy Sokolove³, William Robinson⁴, Joshua Baker⁵, Geoffrey Thiele², Ted Mikuls² and Bryant England², ¹University of Nebraska Medical Center, Elkhorn, NE, ²University of Nebraska Medical Center, Omaha, NE, ³Stanford University School of Medicine, Berwyn, PA, ⁴Stanford University, Stanford, CA, ⁵University of Pennsylvania, Philadelphia, PA
Background/Purpose: Autoantibodies are hypothesized as one of the RA specific factors contributing to a heightened risk of cardiovascular disease (CVD) in this population. However, prior…
Abstract Number: 0273 • ACR Convergence 2021
Abnormalities in Left Ventricular Geometry Influenced by Higher Rheumatoid Factor and Anti-Cyclic Citrullinated Peptide Antibody Titers in Rheumatoid Arthritis Patients
Natalia Guajardo-Jauregui, Dionicio Galarza-Delgado, Iris Colunga-Pedraza, Jose Azpiri-Lopez, Alejandra Rodriguez-Romero, Alejandro Meza-Garza, Julieta Loya-Acosta, Jesus Cardenas-de La Garza, Salvador Lugo-Perez, Catalina Andrade-Vazquez and Alan De Leon-Yañez, Hospital Universitario "Dr Jose E. Gonzalez", Monterrey, Mexico
Background/Purpose: Rheumatoid arthritis (RA) patients have a higher risk of developing left ventricular (LV) geometry abnormalities which can result in cardiac death. High titers of…
Abstract Number: 0440 • ACR Convergence 2021
Association Between Rheumatic Autoantibody Positivity and Immune-related Adverse Events
Kristen Mathias¹, Marco Lopez Velazquez¹ and Pankti Reid², ¹University of Chicago, Chicago, IL, ²University of Chicago Medical Center, Chicago, IL
Background/Purpose: The advent of immune checkpoint inhibitors (ICIs) has revolutionized cancer therapy; however, their use can lead to off-target toxicities called immune-related adverse events (irAEs)…
Abstract Number: 0463 • ACR Convergence 2021
Treatment Persistence Among Medicare Beneficiaries with Seropositive Rheumatoid Arthritis Initiating Biologic or Targeted Synthetic DMARDs
Sang Hee Park¹, Taylor Schwartz², Xue Han¹, Scott Robinson², Sumie Kakehi¹, Keith Wittstock¹, Kris Norris², Anne Murunga², Alison Silverstein² and Jeffrey Sparks³, ¹Bristol Myers Squibb, Princeton, NJ, ²Avalere Health, Washington, DC, ³Brigham and Women’s Hospital and Harvard Medical School, Boston, MA
Background/Purpose: Recent exploratory clinical trial and retrospective studies1 suggest that patients with seropositive RA (rheumatoid factor [RF]+ and/or anti-cyclic citrullinated peptide [anti-CCP]+) treated with abatacept…
Abstract Number: 0568 • ACR Convergence 2021
Construction of the Veterans Affairs National Rheumatoid Arthritis Database (VANRAD)
Amy Joseph¹, Jodi Yanagida¹, Xinliang Huang¹, Prabha Ranganathan¹, Melissa Laurie², Hong Xian¹ and Seth Eisen¹, ¹VA St. Louis Health Care System, St. Louis, MO, ²Bristol Myers Squibb, Princeton, NJ
Background/Purpose: The Department of Veterans Affairs (DVA) provides comprehensive medical care at minimal or no cost to 9 million veterans annually through 170 medical centers…
Abstract Number: 1230 • ACR Convergence 2021
Impact of Serologic Status on Clinical Responses to Upadacitinib or Abatacept in Patients with Rheumatoid Arthritis and Prior Inadequate Response to Biologic DMARDs: Sub-Group Analysis from the Phase 3 SELECT-CHOICE Study
Andrea Rubbert-Roth¹, Jeffrey Sparks², Arnaud Constantin³, Ricardo Xavier⁴, Yanna Song⁵, Jessica Suboticki⁵ and Roy Fleischmann⁶, ¹Kantonspital St Gallen, St.Gallen, Switzerland, ²Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, ³Toulouse University Hospital, Toulouse Cedex 9, France, ⁴Departamento de Reumatologia, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil, ⁵AbbVie Inc., North Chicago, IL, ⁶University of Texas Southwestern Medical Center, Metroplex Clinical Research Center, Dallas, TX
Background/Purpose: In patients with RA who had a prior inadequate response or intolerance to biologic DMARDs, the oral Janus kinase inhibitor, upadacitinib (UPA), demonstrated superiority…
Abstract Number: 1517 • ACR Convergence 2021
Prevalence of Autoantibodies in Patients with Melanoma Who Develop Rheumatic Immune Related Adverse Events During Treatment with Immune Checkpoint Blockade
Sophia Weinmann¹, Amanda Eudy² and David Pisetsky¹, ¹Duke University Medical Center, Durham, NC, ²Duke University, Durham, NC
Background/Purpose: Patients with malignancy who develop rheumatic immune related adverse events (IRAEs) during immune checkpoint blockade (ICB) are commonly autoantibody negative. The change from chemotherapy…
Abstract Number: 1648 • ACR Convergence 2021
Increasing Rates of Positivity of Autoantibodies Indicates a Shorter Time-to-Diagnosis of Future Rheumatoid Arthritis
Dylan Bergstedt¹, Ryan Peterson², Marie Feser¹, LauraKay Moss¹, Geoffrey Thiele³, Ted Mikuls³, Jess Edison⁴, V. Michael Holers¹ and Kevin Deane⁵, ¹University of Colorado Denver, Aurora, CO, ²Colorado School of Public Health, Aurora, CO, ³University of Nebraska Medical Center, Omaha, NE, ⁴Walter Reed National Military Medical Center, Bethesda, MD, ⁵University of Colorado Denver, Denver, CO
Background/Purpose: Rheumatoid arthritis (RA) has a ‘pre-RA’ period that can be defined by elevations in autoantibodies to citrullinated protein antigens (ACPA) and rheumatoid factor (RF)…
Abstract Number: 1698 • ACR Convergence 2020
Polyarthritis Workup in Primary Care Setting : How Are We Doing?
Ruhani Desai¹, Cassandra Calabrese², Neel Patel³ and Jessica Donato⁴, ¹Cleveland Clinic Foundation, DeLand, FL, ²Cleveland Clinic, Cleveland, OH, ³Case Western Reserve University, Cleveland, OH, ⁴Cleveland Clinic Foundation, Cleveland
Background/Purpose: Joint pain is a common presenting complaint in Primary Care with around 54.4 million adults diagnosed with some form of arthritis per 2013 CDC survey. Polyarthritis…
Abstract Number: 1720 • ACR Convergence 2020
Factors Associated with an Increased Risk of Imminent Rheumatoid Arthritis in ACPA+ Individuals
Hyoun-Ah Kim¹, Ryan Peterson², Gary Firestein³, David Boyle⁴, Jane Buckner⁵, Sylvia Posso⁶, Eddie James⁵, William Robinson⁷, Jaron Arbet², LauraKay Moss⁸, Roger Gilmore⁸, Lindsay Hartje⁸, Saman Barzideh⁸, Jennifer Seifert⁹, Navin Rao¹⁰, Frédéric Baribaud¹¹, Sunil Nagpal¹², Alyssa Johnson¹³, V Michael Holers¹⁴ and Kevin D. Deane¹⁵, ¹University of Colorado Anschutz Medical Campus and Ajou University School of Medicine, Aurora, CO, ²Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, CO, ³University of California, San Diego, La Jolla, CA, ⁴UC San Diego, San Diego, CA, ⁵Center for Translational Immunology, Benaroya Research Institute at Virginia Mason, Seattle, WA, ⁶Benaroya Research Institute at Virginia Mason, Seattle, WA, ⁷Stanford University, Palo Alto, CA, ⁸University of Colorado Anschutz Medical Campus, Aurora, CO, ⁹Division of Rheumatology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA, Littleton, CO, ¹⁰Janssen R&D, Spring House, PA, ¹¹Janssen Research & Development, LLC, Spring House, PA, ¹²Janssen Reserach and Development, Spring House, PA, ¹³Janssen Research and Development, Spring House, PA, ¹⁴Division of Rheumatology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA, Colorado, ¹⁵2 Division of Rheumatology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA, Colorado
Background/Purpose: Individuals at high-risk for future rheumatoid arthritis (RA) may be identified by screening for circulating RA-related autoantibodies including antibodies to citrullinated protein antigens (ACPA).…

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