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Bioanalysis 2014-01-01

First MEPS/HPLC assay for the simultaneous determination of venlafaxine and O-desmethylvenlafaxine in human plasma.

Paulo Magalhães, Gilberto Alves, Márcio Rodrigues, Adrián LLerena, Amílcar Falcão

文献索引:Bioanalysis 6(22) , 3025-38, (2014)

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摘要

A new high-performance liquid chromatography-fluorescence detection assay based on microextraction by packed sorbent as sample preparation approach is described to quantify venlafaxine (VEN) and its main metabolite [O-desmethylvenlafaxine (ODV)]in human plasma.Chromatographic separation of the target analytes (VEN and ODV) and internal standard (licarbazepine) was achieved in less than 6 min on a reverse-phase C18 column using isocratic elution. Calibration curves were linear in the ranges of 10-1000 ng ml(-1) for VEN and 20-1000 ng ml(-1) for ODV. The method was successfully applied to real plasma samples.This microextraction by packed sorbent/high-performance liquid chromatography-fluorescence detection assay offers a cost-effective tool that can be applied for therapeutic drug monitoring and also support other pharmacokinetic-based studies in humans.

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