Journal of Chromatography B
A reversed-phase high-performance liquid chromatography method with electrospray ionization and mass spectral detection is described for the determination of capecitabine, 5′-deoxy-5-fluorocytidine and 5′-deoxy-5-fluorouridine in human plasma with 5-chloro-2′-deoxyuridine as the internal standard. An on-line sample clean-up procedure allows dilution of the plasma sample with the initial mobile phase. The linear dynamic range is 0.0500–10.0 μg/ml for capecitabine, and 0.0500–25.0 μg/ml for the metabolites, 5′-deoxy-5-fluorocytidine and 5′-deoxy-5-fluorouridine, respectively. This method has been used to analyze plasma samples from patients receiving capecitabine in combination with oxaliplatin.
Xu, Yan and Grem, Jean L., "Liquid Chromatography–Mass Spectrometry Method for The Analysis of The Anti-Cancer Agent Capecitabine and Its Nucleoside Metabolites in Human Plasma" (2003). Chemistry Faculty Publications. 199.
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