Abstracts tagged "Biomarkers"

Abstract Number: 1815 • ACR Convergence 2024
Leveraging Novel Systemic Sclerosis Disease Signatures to Build a Humanized Drug Discovery Funnel
Lauren Reinke-Breen¹, Laura Leys¹, Sunhwa Kim², Lauren Olson¹, Anastasia Marinopoulos¹, Chris Butler¹, Jennifer Van Camp¹ and Lisa Hazelwood¹, ¹AbbVie, North Chicago, IL, ²AbbVie, South San Francisco, CA
Background/Purpose: Systemic sclerosis (SSc) is a chronic, progressive autoimmune disorder with significant morbidity and mortality. The lack of effective therapies for SSc is, in part,…
Abstract Number: 2145 • ACR Convergence 2024
Study of Bone Metabolism in Patients Diagnosed with Osteogenesis Imperfecta.
Daniel Ramos Castro¹, SAMUEL LEAL², Elena Grau García³, JOSE ELOY OLLER RODRIGUEZ⁴, José Ivorra-Cortés⁵, Carmen Riesco Barcena⁶, Anderson Huaylla Quispe⁷, Pablo Muñoz Martínez⁸, Laura Mas Sánchez⁹, Alba Torrat noves¹⁰, Belén Villanueva Mañés¹¹, Iago Alcántara Álvarez¹², Andrés Pérez Hurtado¹, Miguel Simeo Vinaixa¹¹ and Jose A Román-Ivorra¹³, ¹Rheumatology Department. HUP La Fe, Valencia, Spain, ²Hospital La Fe, Valencia, Spain, ³HUP La Fe, Valencia, Spain, ⁴HOSPITAL UNIVERSITARI I POLITÈCNIC LA FE, VALENCIA, Spain, ⁵Hospital Universitario La Fe, PALMA DE MALLORCA, Spain, ⁶Hospital Universitario i Politecnic La Fe (Valencia-Spain), Valéncia, Spain, ⁷Medicina, Valéncia, Spain, ⁸Hospital Universitario y Politècnico La Fe, Sagunto, Spain, ⁹Resident at Hospital Universitari i Politecnic La Fe, Valéncia, Spain, ¹⁰Hospital Universitari i Politècnic La Fe de Valencia, Valencia, Comunidad Valenciana, Spain, ¹¹Rheumatology Department. HUP La Fe, Valencia, Comunidad Valenciana, Spain, ¹²Hospital Universitari i Politècnic La Fe, Valéncia, Comunidad Valenciana, Spain, ¹³Hospital Universitari i Politècnic la Fe, Valencia, Comunidad Valenciana, Spain
Background/Purpose: Osteogenesis imperfecta (OI) is a hereditary connective tissue disorder (90% autosomal dominant) characterized by a disruption in type 1 collagen or proteins associated with…
Abstract Number: 2390 • ACR Convergence 2024
Anti-Sm Antibody Titers Vary During SLE Disease Course
Faye Megaris¹, Emily Wu² and Kyriakos Kirou³, ¹CUNY School of Medicine, Astoria, NY, ²Hospital for Special Surgery, Rochester, NY, ³Hospital for Special Surgery, New York, NY
Background/Purpose: Systemic Lupus Erythematosus (SLE) is characterized by positive antibodies to dsDNA and/or Sm which have high specificity for the disease. While anti-dsDNA titers are…
Abstract Number: 2578 • ACR Convergence 2024
Safety, Biomarker Response, and Efficacy of E6742, a Dual Antagonist of Toll-Like Receptor 7 and 8, in a First-in-Patient, Randomized, Double-Blind, Phase1/2 Study in Systemic Lupus Erythematosus
Yoshiya Tanaka¹, Atsushi Kumanogoh², Tatsuya Atsumi³, Tomonori Ishii⁴, Fumitoshi Tago⁵, Mari Aoki⁵, Shintaro Yamamuro⁵, Keisuke Sakayori⁵, Kentaro Takahashi⁵ and Shizuo Akira⁶, ¹Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Fukuoka, Japan, ²Osaka University, Osaka, Japan, ³Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan, Sapporo, Japan, ⁴Tohoku Medical and Pharmaceutical University / Department of Hematology and Rheumatology, sendai, Japan, ⁵Eisai Company, Ltd., Tokyo, Japan, ⁶Osaka University Immunology Frontier Research Center, Osaka, Japan
Background/Purpose: There is strong evidence for the relationship between Toll-like receptor (TLR)7/8 and systemic lupus erythematosus (SLE) pathophysiology. Dual inhibition of TLR7/8 will modulate innate…
Abstract Number: 0316 • ACR Convergence 2024
Development and Evaluation of the Adult-onset Still’s Disease Activity Index Based on Whole RNA-seq Analysis: A Novel Approach Independent of Tocilizumab Treatment
Mayu Magi¹, Hiroto Yoshida¹, Hiroya Tamai², Kotaro Matsumoto², Keiko Yoshimoto², Yoshihiro Matsumoto¹, Tetsuhiro Soeda¹ and Yuko Kaneko², ¹Chugai Pharmaceutical Co., Ltd., Kanagawa, Japan, ²Keio University School of Medicine, Tokyo, Japan
Background/Purpose: Tocilizumab (TCZ), an anti-IL-6 receptor antibody, has been shown to be effective in the treatment of adult-onset Still's disease (AOSD), a systemic inflammatory disease.…
Abstract Number: 0478 • ACR Convergence 2024
Skin Sodium in Patients with Rheumatoid Arthritis: Association with Blood Pressure and Disease Activity
Carolina Ramirez, Annette Oeser, Rachelle Crescenzi, C. Michael Stein and Michelle Ormseth, Vanderbilt University Medical Center, Nashville, TN
Background/Purpose: Sodium is stored in tissues such as the skin where it may contribute to development and progression of autoimmune diseases and hypertension through activation…
Abstract Number: 0630 • ACR Convergence 2024
Lupus Lymphocyte Activation Score of Pathologic T and B Cell Phenotypes Increased in Patients at Risk of Systemic Lupus Erythematosus
Alice Horisberger¹, Ifeoluwakiisi Adejorin², Julia Caldropoli³, Eilish Dillon⁴, Emily Oakes⁵, Kathryne Marks⁵, Takanori Sasaki⁶, Karen Costenbader⁷ and Deepak Rao⁴, ¹Brigham and Woman's Hospital, Harvard Medical School, Lausanne, Switzerland, ²Brigham and Woman's Hospital, Harvard Medical School, Boston, MA, ³Brigham and Woman's Hospital, Harvard Medical School, Boston, MA, Switzerland, ⁴Brigham and Women's Hospital, Harvard Medical School, Boston, MA, ⁵Brigham and Women's Hospital, Boston, MA, ⁶Brigham and Women's Hospital and Harvard Medical School, Brookline, MA, ⁷Brigham and Women's Hospital/ Harvard Medical School, Boston, MA
Background/Purpose: In systemic lupus erythematosus (SLE), loss of self-tolerance and pathologic T and B cell interactions lead to autoantibodies against nuclear antigens (ANA) production. In…
Abstract Number: 0727 • ACR Convergence 2024
Prospective Cellular Biomarkers in ANCA Associated Vasculitis: A Pilot Study
Jakub Videman¹, Adela Skoumalova¹, Marketa Dudkova¹, Martina Skacelova¹, Anna Petrackova², Zuzana Mikulkova², Eva Kriegova³ and Pavel Horak¹, ¹3rd Department of Internal Medicine - Nephrology, Rheumatology and Endocrinology, University Hospital Olomouc & Palacky University Olomouc, Faculty of Medicine and Dentistry, Olomouc, Olomoucky kraj, Czech Republic, ²Department of Immunology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czechia, Olomouc, Olomoucky kraj, Czech Republic, ³Department of Immunology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czechia, Olomouc, Czech Republic
Background/Purpose: Significant progress has been achieved over the course of recent time in elucidating the complex underlying pathophysiological mechanisms of ANCA associated vasculitis (AAV). Despite…
Abstract Number: 0867 • ACR Convergence 2024
Development of a Remote Patient Monitoring System Based on a Novel Digital Biomarker for Swelling in Rheumatoid Arthritis
Marc Blanchard¹, Cinja Koller², Jules Maglione³, Patrick Hermann¹ and Thomas Hügle³, ¹Lausanne University Hospital, Lausanne, Vaud, Switzerland, ²Doctoral School, Faculty of Biology and Medicine, University of Lausanne, Genève, Vaud, Switzerland, ³Lausanne University Hospital, Lausanne, Switzerland
Background/Purpose: Rheumatoid arthritis (RA) care faces challenges due to a shortage of healthcare providers, an increasing patient population and the remote locations of many patients.…
Abstract Number: 1113 • ACR Convergence 2024
2nd Analysis of IgG4-Related Disease in a Diverse Long Island Population: Utilizing Serological and Histological Markers for Assessing Treatment Response
Young Min Cho¹, Alejandro Quintero Villegas², Matt Means³, Zanos Theodoros², Lara El Khoury⁴ and Galina Marder³, ¹Northwell, Glen Cove, NY, ²Feinstein Institutes for Medical Research, Manhasset, NY, ³Northwell, Manhasset, NY, ⁴Division of Rheumatology/Northwell Health, Great Neck, NY
Background/Purpose: IgG4-RD presents various clinical manifestations, making it challenging to assess treatment responses. B-cell depletion agents such as Rituximab (RTX) are used in refractory cases.…
Abstract Number: 1357 • ACR Convergence 2024
Kidney Function in Rheumatoid Arthritis: Estimating Glomerular Filtration Rate Using Creatinine versus Cystatin C in a Secondary Analysis of the TARGET Trial
Sho Fukui¹, Lesley Inker², Leah Santacroce³, Jon Giles⁴, Katherine Liao³, Joan Bathon⁵ and Daniel Solomon⁶, ¹Brigham and Women's Hospital, Brookline, MA, ²Tufts Medical Center, Boston, MA, ³Brigham and Women's Hospital, Boston, MA, ⁴Cedars Sinai Medical Center, Los Angeles, CA, ⁵Columbia University, NEW YORK, NY, ⁶Brigham and Women's Hospital, Newton, MA
Background/Purpose: Glomerular filtration rate (GFR) is difficult to measure in patients with RA since creatinine-based estimated glomerular filtration rate (eGFRcr) may overestimate GFR due to…
Abstract Number: 1638 • ACR Convergence 2024
Calprotectin, a Mechanistically Informed Biomarker for Clinically Isolated Aortitis
Katarina Kmetova¹, Emily Chong², NaveenKumar Somanathapura K³, Kavya Sugur², Lyndsay Kluge², Srilakshmi Yalavarthi³, Julia Ford³, Ora Singer⁴ and Yu Zuo³, ¹Division of Rheumatology, University of Michigan, Ann Arbor, Michigan, USA, Ann Arbor, MI, ²Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann arbor, Ann arbor, MI, ³University of Michigan, Ann arbor, MI, ⁴University of Michigan, Huntington Woods, MI
Background/Purpose: Clinically isolated aortitis (CIA) is aortitis in patients without evidence of systemic disease, infection, or involvement of other vascular territories. CIA is discovered incidentally…
Abstract Number: 1839 • ACR Convergence 2024
PPP2R3C Overexpression Suppresses TCR -mediated CD4+ T Cell Abnormal Activation in Systemic Lupus Erythematosus via JNK and AKT-mTOR Pathways
Xuan Fang, Xiangpei Li and Xiaomei Li, The First Affiliated Hospital of University of Science and Technology of China., He Fei, China (People's Republic)
Background/Purpose: Systemic Lupus Erythematosus (SLE) is distinguished by immune system dysfunction, leading to heightened activation of T and B cells. This increased activity leads to…
Abstract Number: 2232 • ACR Convergence 2024
Anti-RA33 Autoantibodies Are Unique, Sensitive Biomarkers for the Identification of Seronegative Rheumatoid Arthritis in a U.S. Cohort
Andrew Concoff¹, Touba Warsi², Sepehr Taghavi², Sudha Kumar², Abigail Patalinghug², Christine Schleif², Brittany Partain³, Joseph Ahearn⁴, Nicole Wilson⁵, Susan Manzi⁵, Veena Joy⁶ and Tyler O'Malley⁷, ¹Exagen, Inc., Los Angeles, CA, ²Exagen, Carlsbad, CA, ³Exagen, Boston, MA, ⁴Allegheny Health Network, Wexford, PA, ⁵Allegheny Health Network, Pittsburgh, PA, ⁶ThermoFisher, Philadelphia, PA, ⁷Exagen, Vista, CA
Background/Purpose: Novel autoantibodies (Ab) capable of identifying unique subgroups of seronegative rheumatoid arthritis (SN-RA) while providing specificity for RA comparable to ACPA reflects an opportunity…
Abstract Number: 2400 • ACR Convergence 2024
Predicting Adverse Pregnancy Outcomes in Women with Systemic Lupus Erythematosus: External Validation of the PROMISSE Model Using Multiple Independent Cohorts
Melissa Fazzari¹, Jane Salmon², Marta Guerra², Nathalie Costedoat-Chalumeau³, Veronique LE GUERN⁴, Gaëlle Guettrot-Imbert⁴, Marta Mosca⁵, Dina Zucchi⁶, Chiara Tani⁷, Rebecca Fischer-Betz⁸, Isabell Haase⁹, Anna Broder¹⁰, Navneet Kaur¹¹, Jill Buyon¹², Brooke Cohen¹², Diane Kamen¹³, Jessica English¹⁴, Anna Arar¹³ and Mimi Kim¹⁵, ¹Albert Einstein College of Medicine, Bronx, NY, ²Hospital for Special Surgery, New York, NY, ³Inserm DR Paris 5, Paris, France, ⁴Cochin hospital, Paris, France, ⁵University of Pisa, Department of Clinical and Experimental Medicine - Rheumatology Unit, Pisa, Italy, ⁶Rheumatology Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy, ⁷University of Pisa, Pisa, Italy, ⁸Uniklinik Düsseldorf, Düsseldorf, Germany, ⁹Heinrich-Heine University Duesseldorf, Düsseldorf, Germany, ¹⁰Hackensack Network, Hackensack, NJ, ¹¹Touro University Medical Group, Sacramento, CA, ¹²NYU Grossman School of Medicine, New York, NY, ¹³Medical University of South Carolina, Charleston, SC, ¹⁴Medical University of South Carolina, Johns Island, SC, ¹⁵Albert Einstein College of Medicine, Larchmont, NY
Background/Purpose: Nearly 20% of pregnancies in systemic lupus erythematosus (SLE) patients result in an adverse pregnancy outcome (APO); early identification of those at high APO…

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