Title : Potent mechanism-based inhibition of CYP3A4 by imatinib explains its liability to interact with CYP3A4 substrates.

Pub. Date : 2012 Apr

PMID : 22014153






4 Functional Relationships(s)
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1 BACKGROUND AND PURPOSE: Imatinib, a cytochrome P450 2C8 (CYP2C8) and CYP3A4 substrate, markedly increases plasma concentrations of the CYP3A4/5 substrate simvastatin and reduces hepatic CYP3A4/5 activity in humans. Simvastatin cytochrome P450 family 3 subfamily A member 4 Homo sapiens
2 BACKGROUND AND PURPOSE: Imatinib, a cytochrome P450 2C8 (CYP2C8) and CYP3A4 substrate, markedly increases plasma concentrations of the CYP3A4/5 substrate simvastatin and reduces hepatic CYP3A4/5 activity in humans. Simvastatin cytochrome P450 family 3 subfamily A member 4 Homo sapiens
3 BACKGROUND AND PURPOSE: Imatinib, a cytochrome P450 2C8 (CYP2C8) and CYP3A4 substrate, markedly increases plasma concentrations of the CYP3A4/5 substrate simvastatin and reduces hepatic CYP3A4/5 activity in humans. Simvastatin cytochrome P450 family 3 subfamily A member 4 Homo sapiens
4 CONCLUSIONS AND IMPLICATIONS: Imatinib is a potent mechanism-based inhibitor of CYP3A4 in vitro and this finding explains the imatinib-simvastatin interaction and suggests that imatinib could markedly increase plasma concentrations of other CYP3A4 substrates. Simvastatin cytochrome P450 family 3 subfamily A member 4 Homo sapiens