(en) To the Editors,
The phase 3 OCEANIC-AF trial (NCT05643573) of the investigational oral activated factor XI (FXIa) inhibitor asundexian (Bayer, Leverkusen, Germany) tested at the dose of 50 mg has been stopped early due to an inferior efficacy of asundexian versus the control arm (apixaban) for the prevention of strokes and systemic embolisms in patients with atrial fibrillation (AF). [...]
Vassart, J., Didembourg, M., Morimont, L., Brisbois, C., Jamart, L., Lebreton, A., Mullier, F., Donis, N., Favresse, J., Dogné, J.-M., & Douxfils, J. (2024). Asundexian in atrial fibrillation: Can pharmacodynamic data explain the failure? Thrombosis research, 236, 236-239. https://doi.org/10.1016/j.thromres.2024.03.001 (Original work published 2024)