Prediction of in vivo clearance and associated variability of CYP2C19 substrates by genotypes in populations utilizing a pharmacogenetics-based mechanistic model

B Steere, JAR Baker, SD Hall, Y Guo - Drug Metabolism and Disposition, 2015 - ASPET
It is important to examine the cytochrome P450 2C19 (CYP2C19) genetic contribution to
drug disposition and responses of CYP2C19 substrates during drug development. Design of …

Determination of a quantitative relationship between hepatic CYP3A5* 1/* 3 and CYP3A4 expression for use in the prediction of metabolic clearance in virtual …

ZE Barter, HF Perrett, KR Yeo, D Allorge… - … & drug disposition, 2010 - Wiley Online Library
The creation of virtual populations allows the estimation of pharmacokinetic parameters,
such as metabolic clearance in extreme individuals rather than the 'average human' …

Prediction of inter-individual variability in the pharmacokinetics of CYP2C19 substrates in humans

K Chiba, K Shimizu, M Kato, T Nishibayashi… - Drug metabolism and …, 2014 - Elsevier
Significant inter-individual variability of exposure for CYP2C19 substrates may be only partly
due to genetic polymorphism. Therefore, the in vivo inter-individual variability in hepatic …

Physiologically‐based pharmacokinetic modelling of a CYP2C19 substrate, BMS‐823778, utilizing pharmacogenetic data

J Gong, L Iacono, RA Iyer… - British journal of …, 2018 - Wiley Online Library
Aims Previous studies demonstrated direct correlation between CYP2C19 genotype and
BMS‐823778 clearance in healthy volunteers. The objective of the present study was to …

Minimizing polymorphic metabolism in drug discovery: evaluation of the utility of in vitro methods for predicting pharmacokinetic consequences associated with …

JP Gibbs, R Hyland, K Youdim - Drug metabolism and disposition, 2006 - ASPET
Minimizing interindividual variability in drug exposure is an important goal for drug
discovery. The reliability of the selective CYP2D6 inhibitor quinidine was evaluated in a …

In Vivo Quantitative Prediction of the Effect of Gene Polymorphisms and Drug Interactions on Drug Exposure for CYP2C19 Substrates

S Goutelle, L Bourguignon, N Bleyzac, J Berry… - The AAPS journal, 2013 - Springer
We present a unified quantitative approach to predict the in vivo alteration in drug exposure
caused by either cytochrome P450 (CYP) gene polymorphisms or CYP-mediated drug–drug …

Development of an in vitro system with human liver microsomes for phenotyping of CYP2C9 genetic polymorphisms with a mechanism-based inactivator

DR Flora, TS Tracy - Drug Metabolism and Disposition, 2012 - ASPET
Polymorphisms in cytochrome P450 enzymes can significantly alter the rate of drug
metabolism, as well as the extent of drug-drug interactions. Individuals who homozygotically …

Performance verification of CYP2C19 enzyme abundance polymorphism settings within the simcyp simulator v21

C Sychterz, I Gardner, M Chiang, R Rachumallu… - Metabolites, 2022 - mdpi.com
Physiologically based pharmacokinetic (PBPK) modeling has a number of applications,
including assessing drug–drug interactions (DDIs) in polymorphic populations, and should …

Quantitative prediction of the impact of drug interactions and genetic polymorphisms on cytochrome P450 2C9 substrate exposure

AC Castellan, M Tod, F Gueyffier, M Audars… - Clinical …, 2013 - Springer
Abstract Background and Objective Cytochrome P450 (CYP) 2C9 is the most common
CYP2C enzyme and makes up approximately onethird of total CYP protein content in the …

Assessing pharmacokinetic differences in Caucasian and East Asian (Japanese, Chinese and Korean) populations driven by CYP2C19 polymorphism using …

L Zhou, P Sharma, KR Yeo, M Higashimori, H Xu… - European Journal of …, 2019 - Elsevier
Understanding the influence of ethnicity on drug exposure is key to patient safety and could
minimize repetitive clinical studies. This analysis aimed to evaluate the ability of …