PMID: 22571791May 11, 2012Paper

The current status of time dependent CYP inhibition assay and in silico drug-drug interaction predictions

Current Topics in Medicinal Chemistry
Zhengyin Yan, Gary W Caldwell

Abstract

Various CYP time-dependent inhibition (TDI) assays have been widely implemented in drug discovery and development which has led to great success in positively identifying compounds with mechanism-base inhibition liability. However, drug-drug interaction (DDI) predictions by various in-silico models utilizing kinetic parameters obtained from TDI assays have met with significant challenges including questionable kinetic data, over-simplified in-vitro models and unreliable mathematic algorithms. Although significant efforts have been made to standardize the TDI assay and refine mathematical models, recent evaluation studies have revealed that the kinetic parameters of TDI, the most important in-vitro data required by all DDI prediction models, are significantly impacted by a variety of experimental variables including microsomal protein concentration, metabolic stability, CYP-specific probes, and post-incubation time. This review attempts to provide medicinal chemists a brief overview on the current status of TDI assays, determination of kinetic parameters and in silico DDI predictions with emphasis on the complexity of the TDI kinetics and limitations of current in-vitro models and DDI prediction methodologies.

Citations

Apr 2, 2013·The AAPS Journal·Thomayant PrueksaritanontJerome Hochman
Jul 15, 2015·Xenobiotica; the Fate of Foreign Compounds in Biological Systems·Jingling TangLinhua Wu
Aug 20, 2015·ACS Medicinal Chemistry Letters·Xiaojing WangJae H Chang
Jan 23, 2014·Journal of Biomedical Informatics·Rui ZhangGenevieve B Melton
Sep 25, 2014·Bioorganic & Medicinal Chemistry Letters·Anthony J RoeckerPaul J Coleman
Jun 5, 2021·Xenobiotica; the Fate of Foreign Compounds in Biological Systems·Yu SunJianhong Wei

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