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ABCB1 基因多态性对 CYP2D6*10/*10 健康受试者利培酮药代动力学的影响。

Influence of ABCB1 genetic polymorphisms on the pharmacokinetics of risperidone in healthy subjects with CYP2D6*10/*10.

机构信息

College of Pharmacy and Institute of Bioequivalence and Bridging Study, Chonnam National University, Gwangju, Korea.

出版信息

Br J Pharmacol. 2011 Sep;164(2b):433-43. doi: 10.1111/j.1476-5381.2011.01385.x.

Abstract

BACKGROUND AND PURPOSE

The objective of this study was to investigate the combined influence of genetic polymorphisms in ABCB1 and CYP2D6 genes on risperidone pharmacokinetics.

EXPERIMENTAL APPROACH

Seventy-two healthy Korean volunteers receiving a single oral dose of 2 mg risperidone were included in this study.

KEY RESULTS

Significant differences were observed between the ABCB1 3435C>T genotypes for the pharmacokinetic parameters (peak serum concentration) of risperidone and the active moiety (risperidone and its main metabolite, 9-hydroxyrisperidone). There were no significant differences in the area under the serum concentration-time curves of risperidone and the active moiety among the ABCB1 2677G>T/A and 3435C>T genotypes. However, the peak serum concentration and area under the serum concentration-time curves were significantly different among the ABCB1 3435C>T genotypes in CYP2D6*10/*10.

CONCLUSIONS AND IMPLICATIONS

These findings indicate that polymorphisms of ABCB1 3435C>T in individuals with CYP2D6*10/*10, which has low metabolic activity, could play an important role in the potential adverse effects or toxicity of risperidone.

摘要

背景与目的

本研究旨在探讨 ABCB1 和 CYP2D6 基因的遗传多态性对利培酮药代动力学的联合影响。

实验方法

本研究纳入了 72 名接受单剂量 2mg 利培酮口服的健康韩国志愿者。

主要结果

ABCB1 3435C>T 基因型在利培酮和活性部分(利培酮及其主要代谢物 9-羟基利培酮)的药代动力学参数(峰血清浓度)方面存在显著差异。ABCB1 2677G>T/A 和 3435C>T 基因型之间,利培酮和活性部分的血清浓度-时间曲线下面积没有显著差异。然而,在 CYP2D6*10/*10 低代谢活性的个体中,ABCB1 3435C>T 基因型的峰血清浓度和血清浓度-时间曲线下面积有显著差异。

结论和意义

这些发现表明,CYP2D6*10/*10 个体中 ABCB1 3435C>T 的多态性可能在利培酮的潜在不良反应或毒性方面发挥重要作用。

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