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利福喷丁在健康人体的药代动力学和生物等效性
引用本文:唐思,夏素霞,张世良,王月敏,幕杨娜.利福喷丁在健康人体的药代动力学和生物等效性[J].沈阳医学院学报,2009,11(3):162-164,166.
作者姓名:唐思  夏素霞  张世良  王月敏  幕杨娜
作者单位:辽宁省中医药研究院临床药理实验室,辽宁,沈阳,110034
摘    要:目的:研究利福喷丁胶囊在健康人体的药代动力学及生物等效性。方法:20名健康志愿者随机双交叉、单剂量口服受试制剂和参比制剂,剂量均为0.6g,洗脱期为1周。采用内标法测定血浆中利福喷丁的浓度,应用DAS2.0药动学程序进行有关药代动力学参数、相对生物利用度计算,并评价两种制剂生物等效性。结果:受试制剂与参比制剂的药代动力学参数如下。利福喷丁:tmax分别为(4.700±2.364)和(4.700±1.750)h,t1/2分别为(16.215±2.356)和(16.825±4.595)h,Cmax分别为(11.774±5.134)和(10.771±4.868)mg·h·L^-1,AUC0-t分别为(346.539±160.580)和(322.286±147.345)mg·h·L^-1,AUC0-∞。分别为(363.137±167.807)和(339.309±154.212)mg·h·L^-1。利福喷丁的相对生物利用度为(110.5±25.6)%。结论:两种制剂具有生物等效性。

关 键 词:利福喷丁  药代动力学  生物等效性  HPLC—UV

Pharmacokinetics and bioequivalence of Rifapentin Capsules in healthy volunteers
TANG Si,XIA Su-xia,ZHANG Shi-liang,WANG Yue-Min,MU Yang-na.Pharmacokinetics and bioequivalence of Rifapentin Capsules in healthy volunteers[J].Journal of Shenyang Medical College,2009,11(3):162-164,166.
Authors:TANG Si  XIA Su-xia  ZHANG Shi-liang  WANG Yue-Min  MU Yang-na
Institution:(Laboratory of Clinical Pharmacology, Academe of Traditional Chinese Medicine of Liaoning Province, Shenyang 110034, China)
Abstract:Objective: To study the pharmacokinetics and bioequivalence of Rifapentin capsules in healthy volunteers. Methotis: A single oral dose (0. 6g tested and reference formulation) was given to 20 healthy volunteers according to an open randomized crossover design. Rifapentin concentration of plasma was determined by HPLC-UV. The pharmacokinetics parameters were calculated and the bioavailability and bioequivalence of two formulation were evaluated by DAS2. 0 program. Results: The main pharmaeokinetie parameters of Rifapentin were as follows: tmax were (4. 700±2. 364) and (4. 700 ±1. 750) h, t1/2were ( 16. 215±2.356) and (16.825±4.595) h, Cmax were (11.774±5. 134) and (10.771±4. 868) mg·h·L^-1; AUC0-twere (346.539±160.580) and (322. 286±147.345) mg·h·L^-1; AUC0-θwere (363.137±167.807) and (339.309±154.212) mg ·h·L^-1. The relative bioavailability of drug was (110. 5± 25.6)%. Conclusion: The two Rifapentin formulations are bioequivalent.
Keywords:HPLC-UV
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