Abivax expands obefazimod safety data ahead of FDA filing

1 July 2026

Abivax (Euronext Paris) has reported additional Phase III data for investigational ulcerative colitis therapy obefazimod, saying the expanded dataset strengthens confidence in the oral medicine's long-term safety profile while demonstrating continued clinical benefit in patients who either failed induction treatment or relapsed during maintenance therapy.

The new top-line findings come from Part 2 of the Phase III ABTECT Maintenance study. The supplemental trial broadened both the efficacy and safety database in a more treatment-refractory population.

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