Effect of age and postoperative time on cytochrome p450 enzyme activity following liver transplantation.

Abstract excerpt

This study evaluates the changes in cytochrome P450 (CYP) enzyme activity in orthotopic liver transplant (OLTx) patients in relation to recipient age and postoperative time. Thirty-eight stable OLTx patients, separated into younger and older age groups, and 21 healthy subjects were given a 5-drug cocktail including chlorzoxazone (CYP2E1), caffeine (CYP1A2), dapsone (CYP3A4), mephenytoin (CYP2C19), and debrisoquin...

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