Title : Metabolism of alfentanil by cytochrome p4503a (cyp3a) enzymes.

Pub. Date : 2005 Mar

PMID : 15557344






3 Functional Relationships(s)
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1 This investigation evaluated alfentanil metabolism in vitro to noralfentanil and N-phenylpropionamide, by expressed CYP3A5 and CYP3A7 in addition to CYP3A4, with and without coexpressed or exogenous cytochrome b(5). Alfentanil cytochrome P450 family 3 subfamily A member 5 Homo sapiens
2 These results demonstrate that alfentanil is a substrate for CYP3A5 in addition to CYP3A4, and the effects of the CYP3A inhibitors troleandomycin and ketoconazole are CYP3A enzyme-selective. Alfentanil cytochrome P450 family 3 subfamily A member 5 Homo sapiens
3 Polymorphic CYP3A5 expression may contribute to inter-individual variability in alfentanil metabolism. Alfentanil cytochrome P450 family 3 subfamily A member 5 Homo sapiens