Simultaneous quantification of erlotinib, gefitinib, and imatinib in human plasma by liquid chromatography tandem mass spectrometry.

作者: A Chahbouni , J C G den Burger , R M Vos , A Sinjewel , A J Wilhelm

DOI: 10.1097/FTD.0B013E3181C05A14

关键词: Tyrosine kinaseErlotinibChemistryLiquid chromatography–mass spectrometryCalibration curveMass spectrometryTherapeutic drug monitoringChromatographyTyrosine-kinase inhibitorGefitinib

摘要: A quantitative liquid chromatography (LC)-mass spectrometry (MS)/MS method in human plasma was developed and validated for the tyrosine kinase inhibitors erlotinib, gefitinib, imatinib plasma. Pre-treatment of samples achieved by using liquid-liquid extraction D-8 as internal standard. Separation performed on a Waters Alliance 2795 LC system an XBridge RP18 column. The mass spectrometer Micromass equipped with electro spray ionization probe, operating positive mode. calibration curves were linear over concentration range 5 to 3,000; 3,000, 5,000 ng/mL, respectively. intraday interday accuracy ranged from 90% 110% precision within 5%. reported provided necessary linearity, precision, determine clinical research therapeutic drug monitoring.

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