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作 者:朱蕾蕾[1] 张逸凡 戴晓健 钟大放 裘福荣[1] 赵彤芳[1] 叶宇婕 元唯安[1] 解家顺 祝瑞章 蒋健[1]
机构地区:[1]上海中医药大学附属曙光医院临床药理科,上海201203 [2]上海药物代谢研究中心,上海201203 [3]扬州市三药制药有限公司,江苏扬州225231
出 处:《中国药房》2015年第11期1485-1487,共3页China Pharmacy
基 金:"十二五"重大新药创制<创新药物研究开发技术平台建设>(No.2012ZX09303009-001);上海市进一步加快中医药事业发展三年行动计划(2014-2016年)中医药专门人才计划(No.ZY3-RCPY-3-1059)
摘 要:目的:研究健康受试者空腹和餐后两种状态下单剂量口服布洛芬缓释混悬液受试制剂与参比制剂的生物等效性。方法:本研究包括两个随机、开放、双周期、单剂量给药试验,各入组24名健康受试者,分别空腹和餐后单剂量交叉口服600 mg(20 ml)布洛芬混悬液受试制剂与参比制剂,采用液相色谱-串联质谱(LC-MS/MS)法测定给药后血浆中布洛芬的浓度。结果:空腹给药条件下受试制剂与参比制剂的主要药动学参数中t1/2分别为(4.27±1.42)和(3.87±1.03)h;tmax分别为(3.42±0.72)和(3.29±0.93)h;cmax分别为(27.4±4.33)和(28.2±4.65)μg/ml;AUC0-t分别为(167±30.1)和(172±28.8)μg·h/ml;受试制剂的相对生物利用度为(97.4±9.7)%。餐后给药条件下受试制剂与参比制剂的主要药动学参数中t1/2分别为(2.53±0.46)和(2.64±0.53)h;tmax分别为(3.63±0.99)和(3.44±1.15)h;cmax分别为(25.0±4.12)和(27.0±4.60)μg/ml;AUC0-t分别为(172±33.4)和(184±30.2)μg·h/ml;受试制剂的相对生物利用度为(93.1±5.7)%。两种给药条件下的受试制剂与参比制剂AUC0-t和cmax几何均值比的90%置信区间(CI)均落在80%~125%之间。结论:布洛芬缓释混悬液受试制剂与参比制剂在空腹和餐后两种状态下均具有生物等效性。OBJECTIVE: To evaluate the bioequivalence of lbuprofen Sustained-Release Suspension test preparation and reference preparation after single oral dose in fasting and fed. METHODS: This study included two randomized, open and , cross-overdouble-cycle and single dose trails, 24 healthy subjects in each group, were single oral administered 600 mg (20 ml) Ibuprofen Sustained-Release Suspension in fasting or fed respectively, plasma concentration of ibuprofen was determined by LC-MS/MS. RESULTS: The t1/2 of test and reference preparation in fasting administration was (4.27 ± 1.42) and (3.87 ± 1.03) h, tmax was (3.42 ± 0.72) and (3.29±0.93) h, Cmax was(27.4±4.33) and (28.2 ±4.65) pg/ml, AUC0-t was (167±30.1) and (172 ±28.8) μtg·h/ml, respectively; the relative bioavailability of test preparation was (97.4 ± 9.7) %. the t1/2 of test and reference preparation in fed administration was (2.53 ± 0.46) and (2.64 ± 0.53) h, tmax was (3.63± 0.99) and (3.44 ± 1.15) h, Cmax was (25.0 ±4.12) and (27.0± 4.60) μg/ml, AUC0-t was (172±33.4) and (184± 30.2) μg·h/ml, respectively; the relative bioavailability of test preparation was (93.1 ±5.7) %. There were 90% CI of test preparation and reference preparation AUC0-t and Cmax geometric mean ratio failed between 80 % - 125 % both in two administration condition. CONCLUSIONS: Ibuprofen Sustained-Release Suspension test preparation bioequivalent to reference preparation both in fasting and fed.
关 键 词:布洛芬 缓释混悬液 液相色谱-串联质谱法 生物等效性
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