4.6 Article

Pharmacokinetics and Genetic Factors of Atorvastatin in Healthy Korean Subjects

Journal

FRONTIERS IN GENETICS
Volume 13, Issue -, Pages -

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fgene.2022.836970

Keywords

atorvastatin; pharmacokinetic parameter; pharmacogenetics; next-generation sequencing; liquid chromatography-tandem mass spectrometry

Funding

  1. Korea-Czech bilateral joint fund international joint technology development project of the Ministry of Trade, Industry and Energy, Korea [2017-52, N061700001]

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This study investigated the pharmacokinetic properties of atorvastatin in the Korean population and its association with genetic variations. The results showed that the pharmacokinetic properties of atorvastatin in Koreans are different from those in Caucasians, and the AUC(0-24 h) of atorvastatin can be predicted based on age and eight genetic variants of ABCB1, ABCG2, APOA5, CETP, and CYP7A1.
Background: Statins are the most popular agents for the primary and secondary prevention of cardiovascular disease; however, the pharmacokinetic parameters and associated genetic factors in the Korean population have not been fully elucidated. This study explored the pharmacokinetic properties of atorvastatin and the association between genetic variations and atorvastatin pharmacokinetics in healthy Korean subjects.Methods: Atorvastatin (80 mg) was administered to 35 healthy Korean volunteers. Plasma levels of atorvastatin and its metabolites were measured sequentially using liquid chromatography-tandem mass spectrometry from 0 to 24 h after atorvastatin administration. Customized next-generation sequencing analysis was performed covering all coding exons of 15 genes, as well as 46 single-nucleotide variants in 29 genes related to statin pharmacokinetics.Results: The mean area under the concentration-time (AUC) and C-max (maximum peak concentration) were 269.0 ng/ml center dot h and 84.3 ng/ml, respectively, which were approximately two times higher than those reported in Caucasians. Genetic analysis revealed that eight genetic variants in ABCB1, ABCG2, APOA5, CETP, and CYP7A1 contributed to the AUC of atorvastatin. The atorvastatin AUC(0-24 h) prediction model was developed based on age and eight genetic variants using multivariate linear regression (adjusted R-2 = 0.878, p < 0.0001).Conclusion: This study shows that the pharmacokinetic properties of atorvastatin in Koreans are different from those in Caucasians and that atorvastatin AUC(0-24 h) could be predicted based on age and eight genetic variants of ABCB1, ABCG2, APOA5, CETP, and CYP7A1.

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