کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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1224471 | 967923 | 2007 | 6 صفحه PDF | دانلود رایگان |

A sensitive liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the determination of valsartan in human plasma was developed and validated. A 0.5 ml aliquot was extracted using solid-phase extraction in an Empore® high performance extraction disk plate, universal resin 96-well format. The estimated calibration range of the method was 2–2000 ng/ml.The method was fully validated with intra-day mean accuracy and precision of 94.8–107% and 2.19–5.40% and inter-day mean accuracy and precision of 93.5–105% and 1.87–5.67%, respectively. No significant loss of valsartan in processed samples was confirmed in processed samples for up to 24 h at 10 °C. Sample dilution up to 50-fold with blank human plasma provided acceptable analyses. No interference peaks or matrix effects were observed. No effect of QC sample location results was observed in a 96-well plate. This LC-MS/MS technique was found to improve quantitative determination of valsartan allowing its pharmacokinetic evaluation with clinically relevant doses.
Journal: Journal of Pharmaceutical and Biomedical Analysis - Volume 43, Issue 5, 11 April 2007, Pages 1769–1774