Generic placeholder image

Drug Metabolism Letters


ISSN (Print): 1872-3128
ISSN (Online): 1874-0758

Revisiting the Metabolism of Ketoconazole Using Accurate Mass

Author(s): William L. Fitch, Thuy Tran, May Young, Liling Liu and Yuan Chen

Volume 3, Issue 3, 2009

Page: [191 - 198] Pages: 8

DOI: 10.2174/187231209789352085

Price: $65


The microsomal metabolism of ketoconazole is revisited using accurate mass LC/MSn and deuterium labelling. Structures for sixteen metabolites are proposed from rat and human microsomal metabolism of commercial ketoconazole. Thirteen of the proposed structures are well determined and consistent with all data; five of the proposed structures are less certain. Ten of the metabolites are described for the first time. Reaction phenotyping shows that most of the metabolites arise from CYP3A4, the enzyme known to be well inhibited by ketoconazole.

Keywords: Ketoconazole, metabolism, mass spectrometry, deuterium labeling

Rights & Permissions Print Export Cite as
© 2023 Bentham Science Publishers | Privacy Policy