Effects of clofibrate and warfarin alone and in combination on the disposition of vitamin K1.


Clofibrate may interact with warfarin by potentiating its effects on vitamin K disposition. To examine this possibility, specifically labeled [3H]vitamin K was given intravenously to four healthy volunteers under conditions of no drug administration, administration of warfarin or clofibrate alone, or co-administration of both drugs. Clofibrate alone did not… (More)