Description: |
Zifaxaban is a novel, potent, selective, direct and oral factor Xa inhibitor with IC50 of 11.1 nM (human FXa), displays > 10,000-fold selectivity than other serine proteases; also deoes not impair platelet aggregation induced by collagen, adenosine diphosphate (ADP) or arachidonic acid; significantly prolongs clotting time, prothrombin time (PT), and activated partial thromboplastin time (APTT) in the plasma of humans, rabbits, and rats, with a relatively weak effect on thrombin time; strongly suppresses thrombus formation with ED50 values of 3.09 mg/kg in venous thrombosis models in rats. |