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作 者:姚文[1] 王晓波[1] 李忠亮[1] 宋晓楠[1] 隋淼[1] 刘丹[1]
机构地区:[1]解放军第210医院国家药物临床试验机构,大连116021
出 处:《中国新药杂志》2009年第7期632-635,640,共5页Chinese Journal of New Drugs
摘 要:目的:比较两种氨基比林咖啡因片的人体相对生物利用度,并进行生物等效性评价。方法:按照两制剂两周期随机交叉设计,选择18例健康志愿者单剂量口服受试制剂或参比制剂各1片(氨基比林150 mg,咖啡因40 mg),采用HPLC-UV法测定其血药浓度。以DAS软件计算药动学参数,并进行统计学分析,评价两种制剂生物等效性。结果:氨基比林受试和参比制剂AUC0-∞分别为(8.057±2.082)和(8.041±2.101)mg.h.L^-1;Cmax分别为(2.054±0.264)和(2.034±0.270)mg.L^-1;Tmax分别为(0.76±0.18)和(0.82±0.25)h,两者无明显差异;咖啡因受试和参比制剂AUC0-∞分别为(8.156±2.035)和(8.140±2.005)mg.h.L^-1;Cmax分别为(1.131±0.231)和(1.119±0.194)mg.L^-1;Tmax分别为(0.81±0.34)和(0.97±0.78)h,上述药动学参数差异无统计学意义。氨基比林受试制剂的相对生物利用度为(101.4±11.5)%;咖啡因的相对生物利用度为(99.1±9.0)%。结论:两种制剂具有生物等效性。Objective: To study the pharmacokinetics of 2 aminopyrine-caffeine tablets in health volunteers. Methods: Eighteen volunteers were orally administered by either aminopyrine-eaffeine tablet with 2-way crossover design. The concentrations of aminopyrine and caffeine in plasma were determined by HPLC-UV; the pharmacokinetic parameters were calculated by DAS software. Results: The pharmacokinetic parameters of aminopyrine of two tablets were as follows : AUC0-∞ were (8. 057 ± 2. 082) and (8. 041 ± 2. 101 ) mg.h.L^-1 ; Cmax were (2. 054 ± 0. 264 ) and (2. 034 ± 0. 270) mg. L^-1 ; Tmax were (0.76 ± 0.18 ) and (0.82 ± 0.25 ) h, respectively. The pharmacokinetic parameters of caffeine of two tablets were as follows: AUC0-∞ were (8. 156 ± 2. 035 ) and (8. 140±2.005) mg.h.L^-1; Cmax were (1. 131 ±0.231) and (1. 119 ±0. 194) mg.L^-1; Tmax were (0.81 ± 0.34) and (0.97 ±0.78) h, respectively. The relative bioavailability of aminopyrine and caffeine were (101.4 ± 11. 5) % and (99.1 ± 9.0) % , respectively. Conclusion : The 2 aminopyrine-caffeine tablets are bioequivalent.
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