Article
New issues in oral anticoagulants.
Hematology. American Society of Hematology. Education Program - 1 Jan 2008
Francis Charles W
Abstract excerpt
Polymorphisms in CYP2C9, a critical cytochrome P-450 enzyme in the metabolism of warfarin, alters its clearance and affects dosing. CYP*1 has higher activity than either the *2 or *3 variants, and patients with the *2 or *3 variants require a lower dose. VKORC1 is the enzyme inhibited by warfarin, and its levels are affected by several polymorphisms that can be divided into high or low level haplotypes, and...
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