Abivax’s lead drug candidate, obefazimod (originally known as ABX464), is an investigational drug candidate that has not yet been approved for commercial use in any jurisdiction, but it has already garnered plenty of attention in the industry. The following collection of congress publications are from medical meetings, beginning in 2026.

As data are presented at medical meetings, this page will be updated with applicable posters and oral presentations according to medical meeting embargo guidelines.

The information on this website is intended for healthcare professionals only. It may contain scientific content and medical data not suitable for the general public. Obefazimod is an investigational agent not approved for use by any health regulatory agencies for any indication. By proceeding, you confirm that you are a licensed healthcare professional.

Presentation

Efficacy and safety of obefazimod in patients with moderately to severely active ulcerative colitis: results from the Phase 3, randomized, double-blind, placebo-controlled, 44-week maintenance trial (ABTECT-Maintenance)

Presentation

Obefazimod increases miR-124 expression to consistently modulate inflammation and fibrosis across preclinical models

Presentation

Long-term efficacy and persistence with obefazimod after dose de-escalation to 25 mg: 3-year interim analysis in patients with moderately to severely active ulcerative colitis completing Week 144, stratified by prior advanced therapy experience: results from the Phase 2 program

Presentation

Efficacy of obefazimod in Phase 3 ABTECT-Maintenance trial: results of 44-week therapy in subsets of patients with and without prior inadequate response to advanced therapies

Moderated Poster

Efficacy, persistence, and safety of obefazimod in patients with moderately to severely active ulcerative colitis: 3-year interim analysis following dose de-escalation to 25 mg in the open-label maintenance Phase 2 study

Moderated Poster

Symptoms of bowel urgency and nocturnal bowel movements are linked with improvement in clinical outcomes among patients with moderately to severely active ulcerative colitis treated with obefazimod: pooled results from the 8-week ABTECT Phase 3 induction trials

Poster

Obefazimod reduces inflammation-driven tumor burden in a murine model of colitis-associated cancer

Poster

Improvements in bowel urgency and nocturnal bowel movements among patients with moderately to severely active ulcerative colitis treated with obefazimod induction therapy: pooled results from the ABTECT-1 and ABTECT-2 Phase 3 trials

Presentation

Rapid and progressive improvement with obefazimod in ulcerative colitis in the ABTECT induction program: subgroup analysis by prior advanced therapy failure status and therapeutic class

Poster

Efficacy of obefazimod across baseline disease extent and endoscopic severity in ulcerative colitis: Phase 3 ABTECT induction results

Poster

Favorable safety profile of obefazimod with no increased risk of infection: integrated analysis of the Phase 3 induction trials in ulcerative colitis

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