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High-performance liquid chromatographic method for the determination of RGH-5702 in plasma samples
P Pudleiner1, M Kapás, L Vereczkey
1Department of Pharmacokinetics and Drug Metabolism, Chemical Works of Gedeon Richter Ltd., Budapest, Hungary.
Abstract:
A quick and selective high-performance liquid chromatographic method has been developed for the determination of RGH-5702 in plasma samples. A simple one-step extraction is used followed by reversed-phase chromatography and UV detection. This method allowed the separation of the compound and internal standard within 7 minutes. Validation of the method was performed prior to the assay of samples and continued throughout the study. Acceptable accuracy and precision was achieved at all concentrations investigated. The quantitation limit was 20 ng/ml using 1 ml of plasma. The method has been applied to the analysis of plasma samples from toxicokinetic studies in dogs.