High performance liquid chromatography mass spectrometric method for the simultaneous quantification of pravastatin and aspirin in human plasma:Pharmacokinetic application  

作　　者：Srinivasa Rao Polagani Nageswara Rao Pilli Venkateswarlu Gandu 

机构地区：[1]Research Studies,Rayalaseema University,Kurnool 518002,India [2]University College of Pharmaceutical Sciences,Jawaharlal Nehru Technological University,Kukatpally,Hyderabad 500085,India [3]Department of Chemistry,Nizam College,Osmania University,Hyderabad 500001,India

出　　处：《Journal of Pharmaceutical Analysis》2012年第3期206-213,共8页药物分析学报（英文版）

摘　　要：A rapid and sensitive liquid chromatography-tandem mass spectrometric（LC-MS/MS） assay method has been developed and fully validated for the simultaneous quantification of pravastatin and aspirin in human plasma.Furosemide was used as an internal standard.Analytes and the internal standard were extracted from human plasma by liquid-liquid extraction technique using methyl tertiary butyl ether.The reconstituted samples were chromatographed on a Zorbax SB-C;8 column by using a mixture of 5 mM ammonium acetate buffer and acetonitrile（20:80,v/v） as the mobile phase at a flow rate of 0.8 mL/min.The calibration curve obtained was linear（r≥0.99） over the concentration range of 0.50-600.29 ng/mL for pravastatin and 20.07-2012.00 ng/mL for aspirin.Method validation was performed as per FDA guidelines and the results met the acceptance criteria.A run time of 2.0 min for each sample made it possible to analyze more than 400 human plasma samples per day.The proposed method was found to be applicable to clinical studies.A rapid and sensitive liquid chromatography-tandem mass spectrometric(LC-MS/MS) assay method has been developed and fully validated for the simultaneous quantification of pravastatin and aspirin in human plasma.Furosemide was used as an internal standard.Analytes and the internal standard were extracted from human plasma by liquid-liquid extraction technique using methyl tertiary butyl ether.The reconstituted samples were chromatographed on a Zorbax SB-C_18 column by using a mixture of 5 mM ammonium acetate buffer and acetonitrile(20:80,v/v) as the mobile phase at a flow rate of 0.8 mL/min.The calibration curve obtained was linear(r≥0.99) over the concentration range of 0.50-600.29 ng/mL for pravastatin and 20.07-2012.00 ng/mL for aspirin.Method validation was performed as per FDA guidelines and the results met the acceptance criteria.A run time of 2.0 min for each sample made it possible to analyze more than 400 human plasma samples per day.The proposed method was found to be applicable to clinical studies.

关 键 词：PRAVASTATIN ASPIRIN Human plasma Liquid-liquid extraction LC-MS/MS PHARMACOKINETICS 

分 类 号：R96[医药卫生—药理学]