British journal of clinical pharmacology, 57(5), 592-599 (2004-04-20)
M: The aim of this study was to investigate the effect of St John's wort and ginseng on the pharmacokinetics and pharmacodynamics of warfarin. This was an open-label, three-way crossover randomized study in 12 healthy male subjects, who received a
Drug metabolism and disposition: the biological fate of chemicals, 24(4), 422-428 (1996-04-01)
Consistent with expectations based on human in vitro microsomal experiments, administration of fluconazole (400 mg/day) for 6 days to six human volunteers significantly reduced the cytochrome P450 (P450)-dependent metabolic clearance of the warfarin enantiomers. In particular, P4502C9 catalyzed 6- and
Journal of chromatography. B, Biomedical sciences and applications, 701(1), 71-80 (1997-12-06)
Enantiomers of warfarin and 7-hydroxywarfarin in human plasma and urine, respectively, were determined by high-performance liquid chromatography using a cellulose-derivative column with UV or fluorescent detection, and their absolute configuration was determined simultaneously by a circular dichroism spectropolarimeter connected in
Cynomolgus monkeys are widely used as non-human primate species in preclinical studies, due to their close evolutionary relationship to humans. Monkey cytochrome P450 2C19 (formerly known as P450 2C75), highly homologous to human P450 2C19, has been identified to be
Drug metabolism and disposition: the biological fate of chemicals, 36(12), 2429-2433 (2008-09-12)
Chimeric mice having humanized livers were constructed by transplantation of human hepatocytes. In this study, we investigated whether these mice have a capacity for drug metabolism similar to that of humans by examining hydroxylation of S-warfarin, which is predominantly metabolized
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