Pharmacokinetics
Bromazepam is reported to be metabolized by a hepatic enzyme belonging to the Cytochrome P450 family of enzymes. In 2003, a team led by Dr. Oda Manami at Oita Medical University reported that CYP3A4 was not the responsible enzyme, seeing as itraconazole, a known inhibitor of CYP3A4, did not affect its metabolism. In 1995, J. van Harten at Solvay Duphar B.V.'s Department of Clinical Pharmacology in Weesp reported that fluvoxamine, which is a potent inhibitor of CYP1A2, a less potent CYP3A4 inhibitor, and a negligible inhibitor of CYP2D6, does inhibit its metabolism.
The active metabolite of bromazepam is hydroxybromazepam, which has half-life approximately equal to bromazepam.
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