Abstracts tagged "antiphospholipid syndrome"

Abstract Number: 0710 • ACR Convergence 2025
Vascular Events in Systemic Sclerosis Patients with Anti-Phospholipid Antibodies
Vivian Shing¹, Emily Thompson², Emma Terwilliger³, Simran Ravindra Nimal⁴, Alejandro Diaz Arumir Vergara², Michael Pham⁴ and Vivek Nagaraja⁴, ¹Mayo Clinic Alix School of Medicine, Scottsdale, AZ, ²Mayo Clinic, Scottsdale, ³Mayo Clinic Alix School of Medicine, Scottsdale, ⁴Mayo Clinic, Scottsdale, AZ
Background/Purpose: APS is a pro-thrombotic autoimmune condition often associated with other systemic autoimmune rheumatic diseases (SARDs), most notably SLE. The link between aPL positivity and…
Abstract Number: 0136 • ACR Convergence 2025
Beyond Thrombosis: Histological Spectrum, Predictors and Outcomes of Renal Involvement in Primary Antiphospholipid Syndrome: A Single-Centre Cohort Study
RITESH KUMAR MISHRA¹, SUBIN PHILIP², RIZWANA NAUSHAD², AISHWARYA GOPAL³, Chengappa Kavadichanda², CHRISTINA MARIASELVAM², RAJESH N G², Molly mary Thabah³ and VIR SINGH NEGI², ¹JAWAHARLAL INSTITUTE OF POSTGRADUATE MEDICAL EDUCATION AND RESEARCH, Bhubaneswar, India, ²JAWAHARLAL INSTITUTE OF POSTGRADUATE MEDICAL EDUCATION AND RESEARCH, PUDUCHERRY, Puducherry, India, ³JAWAHARLAL INSTITUTE OF POSTGRADUATE MEDICAL EDUCATION AND RESEARCH, PUDUCHERRY, India
Background/Purpose: Renal involvement in primary APS is underrecognized and histologically diverse, encompassing both vascular and glomerular pathology. We aimed to describe the histopathology, outcomes of…
Abstract Number: 0119 • ACR Convergence 2025
Thrombin Generation Assays Inform Hypercoagulability Mediated by Antiphospholipid Antibodies in Children with Systemic Lupus Erythematosus
Elizabeth Sloan¹, Blake Baay², Lynnette Walters², Paola Sparagana², Kristina Ciaglia¹, Simrat Morris¹, Julie Fuller¹, Lorien Nassi¹, Tracey Wright¹ and Ayesha Zia³, ¹UT Southwestern, Children's Medical Center, and Scottish Rite for Children, Dallas, TX, ²Scottish Rite for Children, Dallas, TX, ³UT Southwestern and Children's Medical Center, Dallas, TX
Background/Purpose: In pediatric systemic lupus erythematosus (SLE), antiphospholipid antibodies (aPL) are independent risk factors for thrombosis. However, data are limited on how aPL impact hypercoagulability.…
Abstract Number: 0600 • ACR Convergence 2025
Toward a Consensus-Based Definition of Difficult-to-Treat Systemic Lupus Erythematosus: A Multinational Survey of Clinicians from the MENA Region
Ahlam Almarzooqi¹, Sarah Al Qassimi², Nelly Ziade³, Mohammed Omair⁴, Samar Al emadi⁵, FARIDA ALBALUSHI⁶, Waleed Hafiz⁷, Hiba Khogali⁸, Saadeya Naji⁹, Suzan Attar¹⁰, Khalid Alnaqbi¹¹ and Rajaie Namas¹², ¹Emirates Health Services, Sharjah, United Arab Emirates, ²Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates, ³Department of Rheumatology, Saint-Joseph University and Hotel-Dieu de France, Beirut, Lebanon, ⁴King Saud university, Riyadh, Saudi Arabia, ⁵Hamad medical corporation, Doha, Qatar, ⁶Royal hospital, Dubia, United Arab Emirates, ⁷Umm Al-Qura university, Makkah, Makkah, Saudi Arabia, ⁸Madinat Zayed Hospital , Al Dhafra hospitals, Abu Dhabi, Abu Dhabi, United Arab Emirates, ⁹Salmaniya medical complex, BAHRAIN, Al Asimah, Bahrain, ¹⁰King Abdulaziz University, Saudi Arabia, Jeddah, Saudi Arabia, ¹¹Sheikh Tahnoon Medical city, Al Ain, United Arab Emirates, ¹²Cleveland Clinic Abu Dhabi, Detroit, MI
Background/Purpose: Difficult-to-treat systemic lupus erythematosus (D2T-SLE) presents a major challenge due to disease heterogeneity and a lack of unified classification. While the D2T concept has…
Abstract Number: 0135 • ACR Convergence 2025
Rituximab in Antiphospholipid Syndrome: aPL Titer Decline and Clinical Outcomes
Omer Uludag¹, Soner Altın², Gamze Kemec², yasemin yalcinkaya³, Ahmet Gul³, Murat Inanc³ and Bahar Artim Esen⁴, ¹Istanbul University, Istanbul Faculty of Medicine, Division of Rheumatology, Istanbul, Turkey, ²Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, Istanbul, Turkey, ³Istanbul University, Istanbul Faculty of Medicine, Division of Rheumatology, Istanbul, Istanbul, Turkey, ⁴Istanbul University, Istanbul, Istanbul, Turkey
Background/Purpose: Rituximab treatment has been shown to be effective in non-thrombotic manifestations of APS and refractory catastrophic APS (CAPS). However, there are conflicting results regarding…
Abstract Number: 0120 • ACR Convergence 2025
The Prevalence and Clinical Significance of Heritable Thrombophilia in Antiphospholipid Antibody Positive Patients: Descriptive Results from the Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking (APS ACTION) Registry
Emre Sahin¹, Maria Efthymiou², Danieli Andrade³, Megan Barber⁴, Maria Tektonidou⁵, Vittorio Pengo⁶, Massimo Radin⁷, Jose Pardos-Gea⁸, MARIA ANGELES AGUIRRE ZAMORANO⁹, Nina Kello¹⁰, Diana Paredes-Ruiz¹¹, H Michael Belmont¹², Paul Fortin¹³, Denis WAHL¹⁴, Ware Branch¹⁵, Maria Gerosa¹⁶, Guilherme Ramires de Jesus¹⁷, Zhuoli Zhang¹⁸, Tatsuya Atsumi¹⁹, Giulia Pazzola²⁰, Laura Andreoli²¹, Ali Duarte-Garcia²², Esther Rodriguez-Almaraz²³, Michelle Petri²⁴, Ricard Cervera²⁵, Bahar Artim Esen²⁶, Guillermo Pons-Estel²⁷, Hui Shi²⁸, Jason S. Knight²⁹, Rohan Willis³⁰, Maria Laura Bertolaccini³¹, Hannah Cohen³² and Doruk Erkan¹, ¹Hospital for Special Surgery, New York, NY, ²University College London, London, United Kingdom, ³University of Sao Paulo, São Paulo, São Paulo, Brazil, ⁴Division of Rheumatology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada, ⁵National and Kapodistrian University of Athens, Athens, Greece, ⁶Padova University Hospital, Padova, Italy, ⁷University of Turin, Turin, Turin, Italy, ⁸Vall d’Hebron University Hospital, Barcelona, Spain, ⁹Rheumatology service/Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/ Reina Sofia University Hospital/ University of Cordoba, Spain, Córdoba, Spain, ¹⁰Northwell Health, Brooklyn, NY, ¹¹Biobizkaia Health Research Institute, Barakaldo, Spain, ¹²NYU School of Medicine, New York, NY, ¹³Centre ARThrite - CHU de Québec - Université Laval, Quebec, QC, Canada, ¹⁴University of Lorraine, Nancy, France, ¹⁵University of Utah Health Sciences Center, Salt Lake City, UT, ¹⁶University of Milan, Milano, Italy, ¹⁷Universidade do Estado do Rio de Janeiro, Rio De Janeiro, Rio de Janeiro, Brazil, ¹⁸Peking University First Hospital, Beijing, Beijing, China (People's Republic), ¹⁹Hokkaido University, Sapporo, Japan, ²⁰Rheumatology Unit, Azienda USL IRCCS di Reggio Emilia, Reggio Emilia, Italy, ²¹University of Brescia, Brescia, Brescia, Italy, ²²Mayo Clinic, Rochester, MN, ²³Hospital Universitario ¹² de Octubre, Madrid, Spain, ²⁴Johns Hopkins University School of Medicine, Timonium, MD, ²⁵Hospital Clinic Barcelona, Barcelona, Spain, ²⁶Istanbul University, Istanbul, Istanbul, Turkey, ²⁷Centro Regional de Enfermedades Autoinmunes y Reumáticas, GO-CREAR, Rosario, Argentina, Rosario, Argentina, ²⁸Shanghai Jiaotong University Affiliated Ruijin Hospital, Shanghai, China (People's Republic), ²⁹University of Michigan, Ann Arbor, MI, ³⁰University of Texas Medical Branch, Galveston, TX, ³¹King's College London, London, United Kingdom, ³²University College London Hospitals NHS Foundation Trust, London, United Kingdom
Background/Purpose: Although antiphospholipid antibodies (aPL) are well-established risk factors for thrombosis, heritable thrombophilias (HT) are also associated with venous thromboembolism (VTE). The latter includes deficiencies…
Abstract Number: 0860 • ACR Convergence 2025
Activated protein C resistance and protein C antibodies in the antiphospholipid syndrome alliance for clinical trials and international networking (APS ACTION) clinical database and repository
Maria Efthymiou¹, Ibrahim Tohidi-Esfahani², Veronica Venturelli¹, Maria Tektonidou³, Vittorio Pengo⁴, Diana Parades-Ruiz⁵, Ware Branch⁶, Maria Gerosa⁷, Cecilia Nalli⁸, Esther Rodriguez Almaraz⁹, Michelle Petri¹⁰, Ricard Cervera¹¹, Olga Amengual¹², Danieli Andrade¹³, Rohan Willis¹⁴, Maria Laura Bertolaccini¹⁵, Doruk Erkan¹⁶ and Hannah Cohen¹⁷, ¹University College London, London, United Kingdom, ²University of Sydney, Syndey, Australia, Sydney, Australia, ³National and Kapodistrian University of Athens, Athens, Greece, ⁴Padova University Hospital, Padova, Italy, ⁵Biobizkaia Health Research Institute, Barakaldo, Spain, Barakaldo, Spain, ⁶University of Utah Health Sciences Center, Salt Lake City, UT, ⁷University of Milan, Milano, Italy, ⁸ASST SPEDALI CIVILI DI BRESCIA, Brescia, Italy, ⁹Hospital Universitario ¹² de Octubre, Madrid, Spain, Madrid, Spain, ¹⁰Johns Hopkins University School of Medicine, Timonium, MD, ¹¹Hospital Clinic Barcelona, Barcelona, Spain, ¹²Hokkaido University Graduate School of Medicine, Sapporo, Japan, Sapporo, Japan, ¹³University of Sao Paulo, São Paulo, São Paulo, Brazil, ¹⁴University of Texas Medical Branch, Galveston, TX, ¹⁵King's College London, London, United Kingdom, ¹⁶Hospital for Special Surgery, New York, NY, ¹⁷University College London Hospitals NHS Foundation Trust, London, United Kingdom
Background/Purpose: Dysregulation in the protein C anticoagulant pathway, more specifically acquired resistance to activated protein C (APCr) and antibodies against protein C (anti-PC), has been…
Abstract Number: 0134 • ACR Convergence 2025
Neutrophil Gasdermin D Pores as Potential Therapeutic Targets in APS-Associated Thromboinflammation
NaveenKumar Somanathapura¹, Thalia Newman¹, Chao Liu², Srilakshmi Yalavarthi³, Cyrus Sarosh⁴, Jacqueline Madison¹, Ajay Tambralli¹, Yu (Ray) Zuo¹ and Jason S. Knight¹, ¹University of Michigan, Ann arbor, MI, ²University of Michigan, Superior Charter Twp, MI, ³Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, ⁴University of Michigan, Temperance, MI
Background/Purpose: Emerging evidence implicates neutrophil activation and neutrophil extracellular trap (NET) formation (i.e., NETosis) in amplifying APS-associated thromboinflammation. Gasdermin D (GSDMD), a substrate of inflammatory…
Abstract Number: 0118 • ACR Convergence 2025
Single-cell RNA sequencing of skin reveals vascular dysregulation in antiphospholipid syndrome
Ecem Sevim¹, Sumith Panicker², Gustaf Wigerblad³, Stefania Dell'orso⁴, Sharon Osgood², Leslie Castelo-Soccio⁵, Keisuke Nagao⁶ and Yogendra Kanthi⁷, ¹NIAMS/NIH, Bethesda, MD, ²NHLBI/NIH, Bethesda, ³National Institutes of Health, Stockholm, Sweden, ⁴National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD, ⁵NIAMS/NIH, Bethesda, ⁶NIAMS, Bethesda, MD, ⁷National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD
Background/Purpose: Antiphospholipid syndrome (APS) is a systemic autoimmune thromboinflammatory disorder defined by persistent antiphospholipid antibodies (aPL) and characterized clinically by macrovascular thrombosis, microvascular disease, and…
Abstract Number: 0859 • ACR Convergence 2025
Trophoblast Dysfunction and Placental Alterations in a Mouse Model of Antiphospholipid Syndrome: The Potential Role of Neutrophil Extracellular Traps
Bruna Mazetto Fonseca¹, Srilakshmi Yalavarthi², Katarina Kmetova², NaveenKumar Somanathapura³, Cyrus Sarosh⁴, Kavya Sugur⁵, Wenying Liang⁶, Yu (Ray) Zuo³, Richard W. Lieberman⁶ and Jason S. Knight³, ¹Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, ²Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, ³University of Michigan, Ann arbor, MI, ⁴University of Michigan, Temperance, MI, ⁵Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Ann Arbor, MI, ⁶University of Michigan, Ann arbor
Background/Purpose: Neutrophil extracellular traps (NETs) are webs of chromatin and proteases (e.g., neutrophil elastase) that have been implicated in antiphospholipid syndrome (APS)-associated thrombosis; however, their…
Abstract Number: 0133 • ACR Convergence 2025
Differences in cardiovascular risk factor control between primary and systemic lupus erythematosus-related antiphospholipid syndrome in a multiethnic cohort of 1003 patients with antiphospholipid syndrome: the SUrvey of cardiovascular disease Risk Factors (SURF) in SLE and APS project
Eleana Bolla¹, Anne Grete Semb², Michelle Petri³, Petros Sfikakis⁴, Bahar Artim Esen⁵, Gabriela Hernandez-Molina⁶, Eric Hachulla⁷, Haner Direskeneli⁸, George Karpouzas⁹, Marta Mosca¹⁰, Mohit Goyal¹¹, Nathalie Costedoat-Chalumeau¹², Angela Tincani¹³, Ayten Yazici¹⁴, Karoline Lerang¹⁵, Anne Troldborg¹⁶, Sofia Ajeganova¹⁷, Tatiana Popkova¹⁸, Elisabet Svenungsson¹⁹, Nikos Pantazis²⁰ and Maria Tektonidou²¹, ¹Rheumatology Unit, First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece, ²Preventive Cardio-Rheuma clinic, Dept Rheum, Diakonhjemmet Hospital, Oslo, Norway, Oslo, Norway, ³Johns Hopkins University School of Medicine, Timonium, MD, ⁴NKUA - SCHOOL OF MEDICINE, Athens, Greece, ⁵Istanbul University, Istanbul, Istanbul, Turkey, ⁶Instituto Nacional de Ciencias Medicas y Nutricion, Mexico City, Federal District, Mexico, ⁷University of Lille, LILLE, France, ⁸Marmara University, ISTANBUL, Turkey, ⁹Harbor-UCLA Medical Center, Torrance, CA, ¹⁰University of Pisa, Pisa, Pisa, Italy, ¹¹CARE Pain & Arthritis Centre, Udaipur, Rajasthan, India, ¹²Inserm DR Paris ⁵, Paris, France, ¹³ASST Spedali Civili-University of Brescia, Gussago, Brescia, Italy, ¹⁴Division of Rheumatology, Department of Internal Medicine, Faculty of Medicine, Kocaeli University, Kocaeli, Turkey, ¹⁵Department of Rheumatology, Oslo University Hospital, Oslo, Norway, ¹⁶Aarhus University Hospital, Aarhus, Denmark, ¹⁷Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden, ¹⁸V.A. Nasonova Research Institute of Rheumatology, Moscow, Russia, ¹⁹Karolinska Institutet, Stockholm, Stockholms Lan, Sweden, ²⁰Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens, Greece, ²¹National and Kapodistrian University of Athens, Athens, Greece
Background/Purpose: Cardiovascular disease (CVD) in antiphospholipid syndrome (APS) is driven by antiphospholipid antibody-mediated immunothrombotic mechanisms and traditional cardiovascular risk factors (CVRFs). Although the EULAR recommendations…
Abstract Number: 0117 • ACR Convergence 2025
Are Thrombotic or Obstetric Events Associated with Additional Clinical Domains in Triple Antiphospholypid Syndrome?
Cristina Rocamora-Gisbert¹, Francina salabert-Carreras², Raquel Ugena-García³, Cristina Calomarde-Gómez³, Clara Churtichaga Domenech², Judith Vidal-Ripoll², Laia Gifre-Sala², Agueda Prior-Español², Annika Nack¹, Susana Holgado⁴, Maria Aparicio¹, Melania Martínez-Morillo², LOURDES MATEO SORIA⁵, Anne Riveros frutos¹, Ivette Casafont-Solé³ and Judit Font-Urgelles³, ¹Hospital Germans Trias i Pujol, Barcelona, Spain, ²Hospital Germans Trias i Pujol, Barcelona, ³Hospital Universitari Germans Trias i Pujol, Badalona, Spain, ⁴Hospital Germans Trias i Pujol, Barcelona, Catalonia, Spain, ⁵HOSPITAL GERMANS TRIAS I PUJOL, BADALONA, Spain
Background/Purpose: It is known that triple positive antiphospholipid syndrome (APS-TP) is related to an increased presence of thrombotic and obstetric manifestations. Triple positivity is referred…
Abstract Number: 0858 • ACR Convergence 2025
IgA Anti-β2GPI Antibodies Drive Proatherogenic Myeloid Activation and Vascular Dysfunction in APS
Kavya Sugur¹, Chao Liu², Emily Chong³, Srilakshmi Yalavarthi⁴, Katarina Kmetova⁵, Wenying Liang⁶, Emily Becker⁶, Gavin Poppei⁶, Cyrus Sarosh⁷, NaveenKumar Somanathapura³, Ajay Tambralli³, Jason S. Knight³ and Yu (Ray) Zuo³, ¹Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Ann Arbor, MI, ²University of Michigan, Superior Charter Twp, MI, ³University of Michigan, Ann arbor, MI, ⁴Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, ⁵Division of Rheumatology, University of Michigan, Ann Arbor, Michigan, USA, Ann Arbor, MI, ⁶University of Michigan, Ann arbor, ⁷University of Michigan, Temperance, MI
Background/Purpose: Cardiovascular disease is a major cause of morbidity and mortality in antiphospholipid syndrome (APS), with rates of accelerated atherosclerosis comparable to those seen in…
Abstract Number: 0131 • ACR Convergence 2025
Libman-Sacks Endocarditis in APS: A Case-Control Study of Clinical and Serologic Features
Kyla Rodgers¹, Cyrus Sarosh², Srilakshmi Yalavarthi³, Emily Becker⁴, Yiran Shen⁵, Kaitlyn Sabb⁴, Peter Hagan⁴, Ajay Tambralli⁵, Jacqueline Madison⁵, Yu (Ray) Zuo⁵ and Jason S. Knight⁵, ¹University of Michigan, Whitmore Lake, MI, ²University of Michigan, Temperance, MI, ³Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, ⁴University of Michigan, Ann Arbor, ⁵University of Michigan, Ann Arbor, MI
Background/Purpose: Libman-Sacks endocarditis (LSE) is an inflammatory phenomenon, typically involving the mitral or aortic valve, that affects some patients with systemic lupus erythematosus (SLE) and/or…
Abstract Number: 0116 • ACR Convergence 2025
Cerebral small vessel disease in antiphospholipid syndrome: subtypes and total burden of cSVD on MRI
Chun Li¹, Jianping Guo², Yangyi Fan¹, Yu Kang¹ and Xiaodan Hu¹, ¹Peking University People's Hospital, Beijing, China (People's Republic), ²Peking University People's Hospital, Beijing, Beijing, China
Background/Purpose: Cerebrovascular diseases are common and severe neurological complications in antiphospholipid syndrome (APS). However, few studies focused on cerebral small vessel disease (cSVD) in APS.…

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