酒石酸美托洛尔片在中国健康人体的药代动力学

THE CHINESE JOURNAL OF CLINICAL PHARMACOLOGY(2005)

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Abstract
目的研究单剂量和多剂量酒石酸美托洛尔片在中国健康人体的药代动力学.方法22名健康受试者口服酒石酸美托洛尔片50 mg,用HPLC-荧光检测法测定血浆中美托洛尔的浓度.结果所得药代动力学参数如下.单剂量:AUC0-t为(395.6±298.95)ng·h·mL-1,AUC0-∞为(433.83±342.94)ng·h·mL-1,Cmax为(63.06±34.61)ng·mL-1,tmax为(1.573±0.52)h,MRT为(7.40±2.31)h;多剂量:AUCss0-t为(504.67±322.35)ng·h·mL-1,Cmax为(77.72±45.69)ng·mL-1,tmax为(1.7±0.6)h,Cmin为(4.12±1.57)ng·mL-1,平均稳态血药浓度Cav是(21.03±13.43)ng·mL-1,血药浓度波动度DF为(367.29±112.56)%.结论酒石酸美托洛尔片单剂量和多剂量给药后,安全性良好.
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