Comparative pharmacokinetics of zolpidem tartrate in five ethnic populations of China.

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Guo T, Mao G, Zhao L, Xia D, Yang L

Comparative pharmacokinetics of zolpidem tartrate in five ethnic populations of China.

Acta Pharm Sin B. 2014 Apr;4(2):146-50. doi: 10.1016/j.apsb.2014.02.001. Epub 2014 Mar 15.

PubMed ID
26579377 [ View in PubMed
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Abstract

The objective of this study was to evaluate the difference in the pharmacokinetics of zolpidem tatrate in subjects from five Chinese ethnicities (Han, Mongolian, Uigur, Korean and Hui). Healthy subjects (10 Hans, 10 Mongolians, 10 Uigurs, 10 Koreans and 9 Huis) were recruited and each received a 10 mg tablet-dose of zolpidem tatrate. A total of 12 plasma samples were collected over a 12 h period after administration. The concentrations of zolpidem in plasma were determined by an HPLC-FLU method, after which the pharmacokinetic parameters were determined using DAS 2.0 software and analyzed by SPSS 16.0 software. After normalization by weight, no differences were noted in the pharmacokinetic parameters of zolpidem tatrate among the five ethnic groups (P>0.05). However, there were statistically significant differences between males and females for the pharmacokinetic parameters (P<0.05). The metabolism of zolpidem tatrate in males was faster than in females. Results indicate that ethnicity has no significant impact on the pharmacokinetics of zolpidem tatrate after a single oral dose in healthy Chinese subjects. However, an effect of gender on the pharmacokinetics of zolpidem tatrate can be noted.

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