Article
Impact of CYP3A5 and ABCB1 gene polymorphisms on fentanyl pharmacokinetics and clinical responses in cancer patients undergoing conversion to a transdermal system.
Drug metabolism and pharmacokinetics - 1 Jan 2012
Takashina Yoshiaki, Naito Takafumi, Mino Yasuaki, Yagi Tatsuya, Ohnishi Kazunori, Kawakami Junichi
Abstract excerpt
The aim of this study was to evaluate the influence of CYP3A5 and ABCB1 gene polymorphisms on fentanyl pharmacokinetics and clinical responses in cancer patients undergoing conversion to a transdermal system. Sixty Japanese cancer patients being treated with a fentanyl transdermal reservoir system according to the current Japanese guidelines were enrolled. Blood samples were obtained 192 h after conversion to the...
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