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超液相色谱-串联质谱法研究氨氯地平贝那普利胶囊中贝那普利及其活性代谢物贝那普利拉的人体药动学 被引量:5

Pharmacokinetics of benazepril and benazeprilat in Chinese healthy volunteers based on UPLC-MS/MS
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摘要 目的:建立同时测定人血浆中贝那普利及贝那普利拉浓度的超液相色谱-串联质谱法(UPLC-MS/MS),研究中国健康志愿者单次口服氨氯地平贝那普利胶囊后贝那普利及其活性代谢物贝那普利拉的药动学特征。方法:24名健康受试者随机分成3组,每组8人,男女各半,分别单次口服贝那普利含量为10,20,30 mg氨氯地平贝那普利胶囊。血浆样品用乙腈进行蛋白沉淀,贝那普利及贝那普利拉的血浆浓度采用超高效液相色谱-串联质谱法检测。结果:贝那普利及贝那普利拉在1.0~1 000.0ng.mL-1范围内线性关系良好。单次口服10,20,30 mg贝那普利剂量后tmax分别为(0.50±0.19),(0.81±0.51),(0.63±0.40)h;Cmax分别为(264.1±85.0),(376.8±173.6),(642.4±331.1)ng.mL-1,AUC0-8分别为(245.9±87.7),(450.5±122.8),(557.6±73.5)ng.h.mL-1,AUC0-∞分别为(248.7±87.9),(477.2±130.8),(580.2±71.1)ng.h.mL-1。t1/2分别为(0.76±0.19),(2.8±1.7),(2.91±1.65)h,V/F分别为(47.2±12.8),(186.6±128.8),(217.9±122.6)L,MRT0-8分别为(1.0±0.3),(2.3±0.7),(1.8±0.6)h。CL/F分别为(44.5±14.7),(44.6±11.3),(52.5±7.7)L.h-1;单次口服10,20,30 mg贝那普利剂量后贝那普利拉的tmax分别为(1.4±0.5),(2.1±1.3),(1.4±0.4 h);Cmax分别为(232.6±100.5),(323.5±61.6),(615.9±188.2)ng.mL-1,AUC0-24分别为(1025.9±172.2),(1924.8±314.4),(3095.1±713.4)ng.h.mL-1,AUC0-∞分别为(1053.6±177.1),(1 989.8±320.9),(3 150.0±715.6)ng.h.mL-1。t1/2分别为(4.9±0.3),(5.0±0.7),(4.3±0.4)h;V/F分别为(69.3±11.5),(75.0±16.5),(62.0±13.8)L;CL/F分别为(9.7±1.6),(10.3±1.4),(9.9±2.0)L.h-1;MRT0-24分别为(5.9±1.0),(6.7±1.1),(5.5±0.9)h。结论:所建立的方法灵敏,准确,快捷,适合于贝那普利临床药动学研究。在10~30 mg剂量范围内、贝那普利符合线性药动学特征,贝那普利拉的AUC与贝那普利剂量呈正比关系,健康受试者能安全耐受。 OBJECTIVE To develop a UPLC-MS/MS method for determination of benazepril and benazeprilat in human plasma,and to study the pharmacokinetics of benazepril and benazeprilat in Chinese healthy volunteers.METHODS A single oral dose of 10,20 or 30 mg benazepril was given to 8 healthy volunteers in an open randomized design.Plasma concentrations of benazepril and benazeprilat were determined by UPLC-MS/MS.RESULTS The liner range of analysis method was among 1.0-1 000.0 ng·mL-1for benazepril and benazeprilat in plasma.The main pharmacokinetic parameters of benazepril after 10,20 and 30 mg dose of benazepril were as follows:tmax was(0.50±0.19),(0.81±0.51),(0.63±0.40)h;Cmax was(264.10±84.95),(376.8±173.6),(642.4±331.1) ng·mL-1;AUC0-8 was(245.9±87.7),(450.5±122.8),(557.6±73.5)ng·h·mL-1,AUC0-∞ was(248.7±87.9)、(477.2±130.8),(580.2±71.1)ng·h·mL-1;t1/2 was(0.76±0.19),(2.8±1.7),(2.9±1.6)h;V/F was(47.2±12.8),(186.6±128.8),(217.9±122.6)L;MRT0-8 was(1.0±0.3),(2.3±0.7),(1.8±0.6)h;CL/F was(44.5±14.7),(44.6±11.3),(52.5±7.7)L·h-1.The main pharmacokinetic parameters of benazeprilat after 10,20,30 mg dose of benazepril were as follows:tmax was(1.4±0.5),(2.1±1.3),(1.4±0.4 h);Cmax was(232.6±100.5),(323.5±61.6),(615.9±188.2) ng·mL-1,AUC0-24 was(1 025.9±172.2),(1 924.8±314.4),(3 095.1±713.4)ng·h·mL-1;AUC0-∞ was(1 053.6±177.1),(1 989.8±320.9),(3 150.0±715.6)ng·h·mL-1.t1/2 was(4.9±0.3),(5.0±0.7),(4.3±0.4)h;V/F was(69.3±11.5),(75.0±16.5),(62.0±13.8)L;CL/F was(9.7±1.6),(10.3±1.4),(9.9±2.0) L·h-1;MRT0-24 was(5.9±1.0),(6.7±1.1),(5.5±0.9)h.CONCLUSION The established UPLC-MS/MS method was simple,rapid,sensitive and accuracy,and suit for study of clinical benazepril pharmacokinetics.There was linear pharmacokinetics of benazepril and benazeprilat between 10 and 30 mg single oral doses of benazepril in healthy subjects.benazepril was well tolerated and no adverse reaction was observed during the trial.
出处 《中国医院药学杂志》 CAS CSCD 北大核心 2012年第18期1437-1442,共6页 Chinese Journal of Hospital Pharmacy
关键词 贝那普利 贝那普利拉 超高效液相色谱-串联质谱 药动学 Tussilago farfara polysaccharide; extraction; dynamics;
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参考文献15

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