Abstract

Aim: BPI15086 is a potent, irreversible mutant-selective inhibitor of both EGFR (EGFR tyrosine kinase inhibitor) and the T790M resistance mutations tyrosine kinase. A simultaneous quantification method of BPI15086 and its main metabolite in human plasma using LC-MS/MS is documented and fully validated in this study. Methodology & results: Plasma samples were extracted and chromatographed on an Acquity ultra-high performance liquid chromatography BEH C18 column with a gradient elution. Detection was performed on a Sciex 5500 QTRAP® mass spectrometer using positive electrospray ionization. The results indicated that the method had excellent sensitivity and specificity. Conclusion: For the first time a sensitive and robust ultra-high performance liquid chromatography-MS/MS method was established and validated of BPI15086 in human plasma, this method was successfully applied in a first-in-human Phase I clinical trial studying the pharmacokinetics of the BPI15086 tablet in Chinese non-small-cell lung cancer patients.

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