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作 者:刘世军[1] 王冰[2] 王本杰[2] 刘焕君[2] 郭瑞臣[2]
机构地区:[1]武警山东总队医院药剂科,济南250014 [2]山东大学齐鲁医院临床药理研究所,济南250012
出 处:《药学服务与研究》2008年第1期38-41,共4页Pharmaceutical Care and Research
摘 要:目的:研究单剂量口服司帕沙星片的药动学特征,并评价试验制剂与参比制剂的生物等效性。方法:20名健康志愿者随机分为两组,采用双周期交叉试验设计,单剂量口服司帕沙星试验制剂或参比制剂200mg,用HPLC法测定血浆中司帕沙星浓度,计算药动学参数。对主要药动学参数进行统计学分析,评价两制剂的生物等效性。结果:司帕沙星试验制剂和参比制剂主要药动学参数t1 2分别为(21.634±4.613)和(19.890±2.519)h,tmax分别为(3.475±0.769)和(3.525±0.786)h,cmax分别为(779.019±240.985)和(726.950±184.295)μg/mL,AUC0-72分别为(16824.627±3550.309)和(16586.509±3178.872)μg·h·mL^-1,AUC0-∞分别为(18719.118±3717.480)和(18128.478±3403.917)μg·h·mL^-1。试验制剂的相对生物利用度为(104.06±15.11)%。结论:司帕沙星试验制剂和参比制剂具有生物等效性。Objective: To study pharmacokinetics of sparfloxacin after oral administration of sparfloxacin tablets and evaluate the bioequivalence of test and reference formulations. Methods: Twenty healthy volunteers were randomized into two groups. A single oral dose of sparfloxacin tablets 200 mg was given to volunteers in a two-period cross-over design test. Plasma concentrations of sparfloxacin were determined by HPLC method. The pharmacokinetic parameters of sparfloxacin test and reference formulations were statistically calculated and the bioequivalence was evaluated. Results: The main pharmacokinetic parameters of sparfloxacin test and reference formulations were as follows, t1/2 (21. 634±4. 613) and (19. 890± 2. 519) h, tmax(3.475±0. 769) and (3.525± 0.786) h, cmax (779.019± 240. 985) and (726.950± 184. 295) g/mL, AUC0-72 (16824.627± 3550.309) and (16 586. 509±3178. 872) μg· h · mL ^-1, AUC0-∞ (18719.118±3717.480) and (18 128. 478± 3 403. 917) μg· h · mL ^-1 , respectively. Conclusion: The relative bioavailability of test formulation was (104.06± 15.11)%. The two preparations are bioequivalent.
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