Title : Prediction of drug-drug interactions of zonisamide metabolism in humans from in vitro data.

Pub. Date : 1998 Apr

PMID : 9626925






2 Functional Relationships(s)
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1 RESULTS: From the experiments using ten expressed human CYPs, CYP2C19, CYP3A4 and CYP3A5 were shown to be capable of catalyzing zonisamide reduction. Zonisamide cytochrome P450 family 3 subfamily A member 5 Homo sapiens
2 CONCLUSION: We demonstrated that: (1) zonisamide is metabolized by recombinant CYP3A4, CYP2C19 and CYP3A5, (2) the metabolism is inhibited to a variable extent by known CYP3A4/5 substrates and/or inhibitors in human liver microsomes, and (3) in vitro-in vivo predictive calculations suggest that several compounds demonstrating CYP3A4-affinity might cause in vivo drug-drug interactions with zonisamide. Zonisamide cytochrome P450 family 3 subfamily A member 5 Homo sapiens