Abivax to Present Data on Obefazimod at United European Gastroenterology (UEG) Week 2026

Four oral presentations and three posters build upon Phase 3 ABTECT Maintenance and Induction programs in ulcerative colitis, long-term Phase 2 findings, and preclinical anti-fibrotic research

PARIS, France – September 30, 2026 – 10:05 PM CEST – Abivax SA (PARIS:FR, NASDAQ:ABVX) ("Abivax" or the "Company"), a clinical-stage biotechnology company focused on developing therapeutics that harness the body’s natural regulatory mechanisms to stabilize the immune response in patients with chronic inflammatory diseases, today announced that seven scientific abstracts on obefazimod, its lead drug candidate for the treatment of moderately to severely active ulcerative colitis (UC), will be presented at the United European Gastroenterology (UEG) Week 2026 meeting, taking place October 17–20, 2026, in Barcelona, Spain. These presentations will highlight data from the Phase 3 ABTECT Maintenance and Induction trials in UC, long-term follow-up from the Phase 2 program in UC, and preclinical research on obefazimod's anti-fibrotic and anti-tumor activity.