J Chromatogr B Biomed Sci Appl
August 2000
A rapid, selective, sensitive and reproducible liquid chromatographic method with tandem mass spectrometric detection has been developed and validated for the analysis of a new specific bradycardic agent, ivabradine (S 16257) and six potentially active metabolites in human plasma. Isolation of these compounds and of the internal standard was performed by an automated solid-phase extraction system using Oasis cartridges. Separation and detection of ivabradine and its metabolites were achieved using a C18 column and a MS-MS detector with a positive electrospray ionization source.
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