Title : CYP3A activity influences imatinib response in patients with chronic myeloid leukemia: a pilot study on in vivo CYP3A activity.

Pub. Date : 2010 Apr

PMID : 20054526






3 Functional Relationships(s)
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1 METHODS: Fourteen CML patients were phenotyped for in vivo CYP3A activity using quinine as a probe drug. Quinine cytochrome P450 family 3 subfamily A member 4 Homo sapiens
2 The plasma concentration ratio of quinine and its CYP3A metabolite was used for assessing CYP3A activity. Quinine cytochrome P450 family 3 subfamily A member 4 Homo sapiens
3 RESULTS: Patients that achieved complete molecular response showed significantly (Mann-Whitney U-test, p=0.013) higher in vivo CYP3A activity (median quinine metabolic ratio = 10.1) than patients achieving partial molecular response (median = 15.9). Quinine cytochrome P450 family 3 subfamily A member 4 Homo sapiens