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Development of an HPLC-UV assay method for the simultaneous quantification of nine antiretroviral agents in the plasma of HIV-infected patients

摘要A new method using high-performance liquid chromatography coupled with ultra violet detection (HPLC–UV) was developed and validated for the simultaneous quantification of atazanavir, dolutegravir, darunavir, efavirenz, etravirine lopinavir, raltegravir, rilpivirine and tipranavir in human plasma. For the first time we reported here the development and validation of an HPLC–UV assay to quantify the frequently administered 9 antiretroviral compounds including dolutegravir and rilpivirine. A simple solid phase extraction procedure was applied to 500 μL aliquots of plasma. The chromatographic separation of the drugs and internal standard (quinoxaline) was achieved with a gradient of acetonitrile and sodium acetate buffer on a C18 reverse-phase analytical column with a 25 min analytical run time. Calibration curves were optimised according to the therapeutic range of drug concentrations in patients, and the coefficient of determination (r2) was higher than 0.99 for all analytes. Mean intraday and interday precisions (RSD) for all compounds were less than 15.0%, and the mean accuracy (%deviation from nominal concentration) was also found to be less than 15.0%. Extraction recovery range was between 80%and 120%for all drugs analysed. The solid phase extraction and HPLC–UV method enable a specific, sensitive, and reliable simultaneous determination of nine antiretroviral agents in plasma. Good extraction efficiency and low limit of HPLC–UV quantification make this method suitable for use in clinical trials and therapeutic drug monitoring.

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作者单位 Unit of Clinical Pharmacology, Department of Biomedical and Clinical Sciences, L. Sacco University Hospital, Università di Milano, 20157 Milan, Italy [1] Clinical Pharmacology Unit, CNR Institute of Neuroscience, Department of Biomedical and Clinical Sciences, L. Sacco University Hospital, Università di Milano, 20157 Milan, Italy [2]
发布时间 2017-01-11(万方平台首次上网日期,不代表论文的发表时间)
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药物分析学报(英文)

药物分析学报(英文)

2016年6卷6期

396-403页

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