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Abstracts tagged "antiphospholipid syndrome"

  • Abstract Number: 1299 • ACR Convergence 2025

    Pediatric Antiphospholipid Syndrome in a Large Tertiary Center

    Rasha Elrefai, Marietta De Guzman, Jun Teruya, Vadim Kostousov, Amir Navaei and Olivia Kwan, Baylor College of Medicine, Houston, TX

    Background/Purpose: Antiphospholipid syndrome (APS) is an autoimmune condition defined as the presence of thrombotic events and/or pregnancy morbidity, accompanied by persistent antiphospholipid antibodies (aPLs). Pediatric…
  • Abstract Number: 0140 • ACR Convergence 2025

    Outcome Of Patients With Non-Criteria Manifestations Of Primary Antiphospholipid Syndrome Treated With Immunosuppressants -A Single Centre Study

    Sindhuja Rajendran1, ashish mathew2, sukesh chandran nair3, john mathew2 and ruchika goel2, 1Christian Medical College ,Vellore, Madurai, Tamil Nadu, India, 2Christian Medical college , Vellore , India, Vellore, Tamil Nadu, India, 3Christian,Medical College ,Vellore ,India, Vellore, Tamil Nadu, India

    Background/Purpose: Non-criteria manifestations occur in 24% in Primary antiphospholipid syndrome (PAPS) . The efficacy of immunosuppressants in patients with above condition is not certain due…
  • Abstract Number: 0124 • ACR Convergence 2025

    Single-cell atlas reveals the central-and-peripheral immune remodeling mechanism and clinical benefits of talitacicept therapy in patients with primary antiphospholipid syndrome

    Haoyu Pan1, Shiyan Gu1, Xiaohan Wei2, Yuying Fan1, Jinyi Qian1, Shuyi Yu1 and Hui Shi3, 1Department of Rheumatology and Immunology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China, Shanghai, Shanghai, China (People's Republic), 2Shanghai JiaoTong University, Shanghai, China (People's Republic), 3Shanghai Jiaotong University Affiliated Ruijin Hospital, Shanghai, China (People's Republic)

    Background/Purpose: To elucidate the molecular and cellular mechanisms underlying Talitacicept therapy in primary antiphospholipid syndrome (PAPS) patients using integrated single-cell RNA and TCR/BCR profiling of…
  • Abstract Number: 1284 • ACR Convergence 2025

    Clinical implications of Antiphospholipid Antibodies and Secondary Antiphospholipid Syndrome in Juvenile-onset Systemic Lupus Erythematosus

    Daniel Clemente1, Alina-Lucica Boteanu2, Clara Udaondo3, Joan Calzada4, Juan Carlos Nieto5, Eugenia Enriquez6, Inmaculada Calvo7, Lourdes Villalobos8, Belen Sevilla9, Sara Murias10, Berta Magallares11, Ana Capilla12, Jaime Arroyo13, Beatriz Bravo14, Gisela Diez-Cordoves15, Marisol Camacho16, Genaro grana17, Juan Jose Bethencourt18, Pablo Mesa19, Natalia Palmou20, Mireia Lopez Corbeto21, Judith Sanchez22, Maria Isabel Gonzalez23, Clara Moriano24, Diego Dios17, Lorena Exposito25, Alicia Garcia26, Laura Martin27, David Fernandez28, Laura Trujillo14, Anahy Maria Brandy29, CARLOS GUILLEN-ASTETE30 and lydia Abasolo Alcazar31, 1Hospital Infantil Universitario NIño Jesús, Madrid, Madrid, Spain, 2H.U. Ramón y Cajal, Madrid, Spain, 3La Paz University Hospital, Madrid, Spain, 4University Hospital Sant Joan de Deu, Barcelona, Spain, 5Hospital General Universitario Gregorio Marañón, Madrid, Spain, 6Clínica Universidad de Navarra, Madrid, Spain, 7Hospital La Fe, Valencia, Comunidad Valenciana, Spain, 8Ramon y Cajal Hospital, MADRID, Spain, 9Division of Pediatrics, Hospital Universitario San Cecilio, Granada, Spain, 10H.U Central de Asturias, Oviedo, Spain, 11Hospital de Sant Pau, Bareclona, 12H.U de La Merced, Sevilla, Spain, 13HOSPITAL UNIVERSITARIO LA PAZ, MADRID, 14H.U Virgen de Las Nieves, Granada, Spain, 15H. R. U. Malaga, Malaga, Spain, 16H.U. Virgen del Rocío, Sevilla, Spain, 17H.U de A Coruña, A Coruña, Spain, 18H.U. Canarias, Canarias, Spain, 19H.U Virgen de la Arrixaca, Murcia, Spain, 20H.U. marques de Valdecilla, Santander, Spain, 21H.U Vall d´Hebron, Barcelona, Spain, 22Pediatric Rheumatology Department, Taulí Hospital Universitari-Institut d'Investigació i Innovació Parc Taulí (I3PT-CERCA), Sabadell (Spain)., Sabadell, Spain, 23H.U. La Fé, Valencia, Spain, 24Hospital León, LEON, Castilla y Leon, Spain, 25H.U Canarias, Canarias, Spain, 26Rheumatologist, La Laguna, Spain, 27H.R.U Malaga, Malaga, Spain, 28Complejo Hospitalario Universitario de Vigo, Vigo, Galicia, Spain, 29Hospital Germans Trias i Pujol, Badalona, Spain, 30H.U Ramón y Cajal, Madrid, Spain, 31IdISSC. HCSC, Madrid, Madrid, Spain

    Background/Purpose: Antiphospholipid antibodies (aPL) have been associated with organ damage and certain features in juvenile-onset systemic lupus erythematosus (jSLE) patients. We aimed to assess the…
  • Abstract Number: 0138 • ACR Convergence 2025

    Evaluating Artificial Intelligence for Diagnosing Antiphospholipid Syndrome in Pulmonary Embolism Case Reports: A Prompt-Based Analysis

    Sami Rabah and Xiangyi Kang, Lincoln Medical Center, New York, NY

    Background/Purpose: Antiphospholipid syndrome (APS) is a complex autoimmune prothrombotic disorder that can present with venous or arterial thromboses, often masquerading as unprovoked pulmonary embolism (PE).…
  • Abstract Number: 0122 • ACR Convergence 2025

    The role of low profile antiphospholipid antibodies and adverse pregnancy outcomes.

    Eugenia Chock1, Tong Wang2, Areeka Memon3, Zeyan Liew4 and Pengfei Guo4, 1Yale School of Medicine, New Haven, CT, 2Yale School of Public Health, New Haven, 3Yale New Haven Health, New Haven, CT, 4Yale Center for Perinatal, Pediatric and Environmental Epidemiology, New Haven

    Background/Purpose: Presence of high titer antiphospholipid antibodies (aPLs) confer adverse pregnancy outcomes (APOs). Patients with low titer aPLs often receive conflicting counseling on treatment, many…
  • Abstract Number: 0933 • ACR Convergence 2025

    Spatial Transcriptomics Reveal Altered Immune Dynamics Regulating Placental Development In a Humanized-TLR8 Mouse Model of Spontaneous Anti-Phospholipid Antibody Induced Pregnancy Loss

    Yunwei Xia1, Paul Hoover2, Arnon Arazi3 and Anne Davidson1, 1Feinstein Institutes for Medical Research, Manhasset, NY, 2Brigham and Women's Hospital, Boston, MA, 3Feinstein Institutes for Medical Research, Acton, MA

    Background/Purpose: TLR8 has been implicated in adverse outcomes of human pregnancy. We previously reported a mouse model of spontaneous aPL-induced pregnancy loss in Sle1 mice…
  • Abstract Number: 0137 • ACR Convergence 2025

    Landscape of Primary Antiphospholipid Syndrome: Clinical Spectrum, Serology, and Predictors of Damage in a Single Center Cohort of 233 Patients

    RITESH KUMAR MISHRA1, SUBIN PHILIP2, JAIDEV MENON2, RIZWANA NAUSHAD2, AISHWARYA GOPAL3, CHRISTINA MARIASELVAM2, Chengappa Kavadichanda2, 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: Primary Antiphospholipid Syndrome (APS) a systemic autoimmune prothrombotic disorder with long-term consequences. While secondary APS is well studied, large real-world cohorts of primary APS…
  • Abstract Number: 0121 • ACR Convergence 2025

    The Prevalence and Clinical Significance of IgA Anticardiolipin and Anti-β2-Glycoprotein-I Antibody Isotypes in Antiphospholipid Antibody Positive Patients: Descriptive Results from the Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking Registry

    Emre Sahin1, Yu (Ray) Zuo2, Danieli Andrade3, Maria Tektonidou4, Vittorio Pengo5, Massimo Radin6, Chary López pedrera7, Diana Paredes-Ruiz8, H Michael Belmont9, Paul Fortin10, Denis WAHL11, Ware Branch12, Maria Gerosa13, Guilherme Ramires de Jesus14, Tatsuya Atsumi15, Maria Efthymiou16, Angela Tincani17, Esther Rodriguez-Almaraz18, Michelle Petri19, Ricard Cervera20, Rohan Willis21, Katrien Devreese22, Maria Laura Bertolaccini23, Hannah Cohen24, Jason S. Knight2 and Doruk Erkan1, 1Hospital for Special Surgery, New York, NY, 2University of Michigan, Ann Arbor, MI, 3University of Sao Paulo, São Paulo, São Paulo, Brazil, 4National and Kapodistrian University of Athens, Athens, Greece, 5Padova University Hospital, Padova, Italy, 6University of Turin, Turin, Turin, Italy, 7Rheumatology service/Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/ Reina Sofia University Hospital/ University of Cordoba, Spain, Cordoba, Spain, 8Biobizkaia Health Research Institute, Barakaldo, Spain, 9NYU School of Medicine, New York, NY, 10Centre ARThrite - CHU de Québec - Université Laval, Quebec, QC, Canada, 11University of Lorraine, Nancy, France, 12University of Utah Health Sciences Center, Salt Lake City, UT, 13University of Milan, Milano, Italy, 14Universidade do Estado do Rio de Janeiro, Rio De Janeiro, Rio de Janeiro, Brazil, 15Hokkaido University, Sapporo, Japan, 16University College London, London, United Kingdom, 17ASST Spedali Civili-University of Brescia, Gussago, Brescia, Italy, 18Hospital Universitario 12 de Octubre, Madrid, Spain, 19Johns Hopkins University School of Medicine, Timonium, MD, 20Hospital Clinic Barcelona, Barcelona, Spain, 21University of Texas Medical Branch, Galveston, TX, 22Ghent University, Gent, Belgium, 23King's College London, London, United Kingdom, 24University College London Hospitals NHS Foundation Trust, London, United Kingdom

    Background/Purpose: The 2023 ACR/EULAR Antiphospholipid Syndrome (APS) Classification Criteria (CC) focus on IgG and IgM anticardiolipin (aCL) and anti-β2-glycoprotein-I antibodies (aβ2GPI). IgA isotypes were excluded…
  • 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…
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All abstracts accepted to ACR Convergence are under media embargo once the ACR has notified presenters of their abstract’s acceptance. They may be presented at other meetings or published as manuscripts after this time but should not be discussed in non-scholarly venues or outlets. The following embargo policies are strictly enforced by the ACR.

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