The 18th International Congress on Antiphospholipid Antibodies 2025 ICAPA2025 The 18th International Congress on Antiphospholipid Antibodies 2025 ICAPA2025

Greetings

Tatsuya Atsumi, MD, PhD
Tatsuya Atsumi, MD, PhD
Professor, Department of Rheumatology, Endocrinology and Nephrology Faculty of Medicine and Graduate School of Medicine, Hokkaido University
Mayumi Sugiura-Ogasawara, MD, PhD
Mayumi Sugiura-Ogasawara, MD, PhD
Professor, Department of Obstetrics and Gynecology, Nagoya City University, Graduate School of Medical Sciences

We are delighted to welcome you to the 18th International Congress on Antiphospholipid Antibodies (ICAPA), to be held in the Westin Miyako Hotel in Kyoto, Japan, from 10th to 13th September 2025.

Antiphospholipid antibodies (aPL) constitute a diverse group of autoantibodies targeting phospholipids or phospholipid-binding proteins. Their multifaceted role extends across clinical practice and biomedical research, serving as disease markers for primary antiphospholipid syndrome (APS) and systemic lupus erythematosus (SLE), while also contributing as pathogenic factors in various autoimmune diseases.

APS, characterized by venous thrombosis, arterial thrombosis, and pregnancy complications, is a multifaceted clinical entity. In particular, APS is the main complication of SLE, the prototypical systemic autoimmune disease. Given the intricate interplay of pathophysiological mechanisms involved, comprehensive research and treatment of APS requires the collaboration of various medical disciplines spanning rheumatology, obstetrics, haematology, cardiology, neurology and other specialised fields.

The International Congress on Antiphospholipid Antibodies has been a recurring global event since its inception in 1984, serving as a major forum for disseminating and exchanging cutting-edge knowledge on aPL and associated diseases. Kyoto, Japan, was selected as the venue for the 2025 conference following the 2022 meeting in Córdoba, Argentina. Embracing the evolving conference landscape, this edition will adopt a hybrid approach, integrating both in-person interactions and online accessibility.

The conference programme will feature a diverse range of sessions, covering not only the intricate field of aPL and APS, but a broad spectrum of topics relevant to rheumatology/autoimmunity, autoimmune-diseases/autoantibodies and recurrent-pregnancy-loss/infertility.

Kyoto was the capital of Japan for more than ten centuries since 794. This ancient capital, which has escaped the ravages of war, is filled with so many historic buildings consistently ranking among the most visited cities globally. We extend a warm invitation to convene in Kyoto, one of the most beautiful cities in the world, for exciting and heated talks on the antiphospholipid world.

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