Factor VIIa inhibitors: Chemical optimization, preclinical pharmacokinetics, pharmacodynamics, and efficacy in an arterial baboon thrombosis model.
2006
Abstract Highly selective and potent factor VIIa–tissue factor (fVIIa · TF) complex inhibitors were generated through structure-based design. The pharmacokinetic properties of an optimized analog ( 9 ) were characterized in several preclinical species, demonstrating pharmacokinetic characteristics suitable for once-a-day dosing in humans. Analog 9 inhibited platelet and fibrin deposition in a dose-dependent manner after intravenous administration in a baboon thrombosis model, and a pharmacodynamic concentration–response model was developed to describe the platelet deposition data. Results for heparin and enoxaparin (Lovenox ® ) in the baboon model are also presented.
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