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作 者:张红[1] 梁超[2] 程晓华[1] 陈月江[1] 李艳艳[1] 熊玉卿[1]
机构地区:[1]江西医学院临床药理研究所,江西南昌330006 [2]江西省人民医院普外科,江西南昌333000
出 处:《中国新药与临床杂志》2006年第12期909-912,共4页Chinese Journal of New Drugs and Clinical Remedies
摘 要:目的:研究瑞舒伐他汀钙胶囊在健康人体内的药动学及其生物等效性。方法:20例健康受试者单剂量交叉口服10 mg瑞舒伐他汀供试制剂或参比制剂后,采用液相色谱-质谱法(LC-MS)测定人体血浆中不同时间点瑞舒伐他汀的浓度,计算其药动学参数和相对生物利用度,评价2制剂的生物等效性。结果:瑞舒伐他汀供试制剂和参比制剂主要药动学参数cmax分别为(12±4)和(11±4)μg·L-1,AUC0~72分别为(123±47)和(123±42)μg·h·L-1,tmax分别为(3.3±0.9)和(3.4±1.0)h,t1/2分另0为(18±7)和(18±5)h。本方法在0.1~20.0μg·L-1浓度范围内线性关系良好。最低可定量浓度为0.1μg·L-1, 2制剂主要药动学参数经统计学检验无显著差异。结论:本方法简单、快速、准确,很好的评价了2种制剂的生物等效。AIM: To study the pharmaeokinetics and bioequivalence of rosuvastatin capsules in healthy people. METHODS: Twenty healthy male volunteers were enrolled into the single crossover study. A single dose of the suspension equivalent to rosuvastatin 10 mg or a reference preparation was given crossoverly to each of the individual, respectively. A sensitive and specific high performance liquid chromatography-mass spectrometric method (HPLC-MS) was used for the determination of rosuvastatin concentration in human plasma, and the bioequivalences of the suspension and the reference were evaluated by pharmacokinetic parameters and rela- tive bioavailability obtained. RESULTS: The pharmacokinetic parameters for rosuvastatin and reference preparationwere: Cmax (12±4) vs (11±4) μg·L^-1, AUC0-72 (123±47)vs (123±42) μg·L^-1, tmax (33+0.9) vs (3.4 ± 1.0) h, t1/2 (18 ± 7) vs (18 ± 5) h, respectively, The linear correlative range was well within the concentration 0.1 - 20.0 μg·L^-1. The lowest detectable concentration of rosuvastatin was 0.1 μg·L^-1, with no significant difference in pharmacokinetic parameters. CONCLUSION: HPLC-MS merits for good sensitivity, accuracy, and simplicity, suitable for studing the pharmacokenitics and bioequivalent of rosuvastatin.
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