Translational aspects of cytochrome P450-mediated drug-drug interactions: a case study with clopidogrel

Aleksi Tornio, Anne M Filppula, Janne T Backman

Research output: Contribution to journalReview Article or Literature ReviewScientificpeer-review

Abstract

Multimorbidity, polypharmacotherapy and drug interactions are increasingly common in the ageing population. Many drug-drug interactions (DDIs) are caused by perpetrator drugs inhibiting or inducing cytochrome P450 (CYP) enzymes, resulting in alterations of the plasma concentrations of a victim drug. DDIs can have a major negative health impact, and in the past, unrecognized DDIs have resulted in drug withdrawals from the market. Signals to investigate DDIs may emerge from a variety of sources. Nowadays, standard methods are widely available to identify and characterize the mechanisms of CYP-mediated DDIs in vitro. Clinical pharmacokinetic studies, in turn, provide experimental data on pharmacokinetic outcomes of DDIs. Physiologically-based pharmacokinetic (PBPK) modelling utilizing both in vitro and in vivo data is a powerful tool to predict different DDI scenarios. Finally, epidemiological studies can provide estimates on the health outcomes of DDIs. Thus, to fully characterize the mechanisms, clinical effects, and implications of CYP-mediated DDIs, translational research approaches are required. This MiniReview provides an overview of translational approaches to study CYP-mediated DDIs, going beyond regulatory DDI guidelines, and an illustrative case study of how the DDI potential of clopidogrel was unveiled by combining these different methods.

Original languageEnglish
JournalBasic & clinical pharmacology & toxicology
DOIs
Publication statusE-pub ahead of print - 19 Aug 2021
MoE publication typeA2 Review article in a scientific journal

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