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Development and validation of a rapid UHPLCMS/MS method for the determination of fenofibric acid in human plasma: application to a pharmacokinetic study of fenofibrate tablet in Chinese subjects

Wu Xiaorong, Wang Yankai, Liang Binbin, Wu Honghai, Wu Liying, Song Jing, Liu Jianfang

Acta Chromatographica

2021

Vol. 33, no. 4

309--314

An ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC–MS/MS) method was developed to determine the fenofibric acid (FA) in human plasma and applied to a pharmacokinetic study of fenofibrate tablet (Lipanthyl® supra, 160 mg) on Chinese subjects which had not been reported. Bezafibrate was used as an internal standard (IS), and the plasma samples were precipitated by methanol. Multiple reaction monitoring (MRM) mode was used to quantitatively analyzed FA m/z 317.2→230.7 and the IS m/z 360.0→274.0 in the electrospray ionization (ESI) negative interface. The calibration curves were linear over the range of 50–30,000 ng/mL (r2 ≥ 0.996). The intra-day and interday precision (coefficient of variation, CV%) was less than 2.7 and 2.5%, respectively. The accuracy (relative error, RE%) ranged from 4.5 to 6.9%. The average recovery was higher than 86.2%, and the matrix effect was between 95.32 and 110.55%. The simple, rapid, and selectivity method was successfully applied to the pharmacokinetic study of fenofibrate tablets on Chinese subjects.