Biochem/physiol Actions
Betrixaban is an orally active, active site-targeting, highly potent and selective factor Xa (fXa) inhibitor (IC50 = 1.5 nM; Ki = 117 pM) with much reduced plasma kallikrein inhibitory activity (IC50 = 6.3 µM) and little potency against thrombin, trypsin, t-PA, aPC or plasmin inhibition (IC50 >10 µM). Betrixaban exhibits good pharmacokinetic properties and anticoagulant efficacy against various thromboembolism (VTE) events in vivo.
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