Journal of pharmaceutical sciences, 78(3), 183-189 (1989-03-01)
Warfarin, an anticoagulant and "metabolic probe" for cytochrome P-450 isozyme multiplicity, is metabolized to 4'-hydroxywarfarin, a principle mammalian metabolite, using the fungus Cunninghamella bainieri (UI-3065). The metabolite was isolated from cell suspension cultures and characterized by analytical (TLC, HPLC, GC-MS)
Drug metabolism and disposition: the biological fate of chemicals, 29(6), 877-886 (2001-05-17)
It has been demonstrated that the activity of cytochrome P450 (CYP)3A4 in certain cases is stimulated by quinidine (positive heterotropic cooperativity). We report herein that the 4'- and 10-hydroxylation of S- and R-warfarin are enhanced in human liver microsomal incubations
Acta pharmaceutica (Zagreb, Croatia), 70(3), 343-357 (2020-02-20)
In this study, high-performance liquid chromatography with fluorescence detection (HPLC-FLD) has been used for the first time, for direct determination of warfarin and its major metabolite, 7-hydroxywarfarin, in rat plasma. The simple and sensitive method was developed using Fortis® reversed-phase
Drug metabolism letters, 4(4), 213-219 (2010-07-10)
Effective coumadin (R/S-warfarin) therapy is complicated by inter-individual variability in metabolism. Recent studies have demonstrated that CYP3A isoforms likely contribute to patient responses and clinical outcomes. Despite a significant focus on CYP3A4, little is known about CYP3A5 and CYP3A7 metabolism
Drug metabolism letters, 6(3), 157-164 (2013-01-22)
Coumadin (R/S-warfarin) is a highly efficacious and widely used anticoagulant; however, its highly variable metabolism remains an important contributor to uncertainties in therapeutic responses. Pharmacogenetic studies report conflicting findings on the clinical relevance of CYP2C19. A resolution to this controversy
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