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Type: Artigo de periódico
Title: A fast, sensitive and simple method for mirtazapine quantification in human plasma by HPLC-ESI-MS/MS. Application to a comparative bioavailability study
Author: Borges, NC
Barrientos-Astigarraga, RE
Sverdloff, CE
Donato, JL
Moreno, P
Felix, L
Galvinas, PAR
Moreno, RA
Abstract: In the present study a simple, fast, sensitive and robust method to quantify mirtazapine in human plasma using quetiapine as the internal standard (IS) is described. The analyte and the IS were extracted from human plasma by a simple protein precipitation with methanol and were analyzed by high-performance liquid chromatography coupled to an electrospray tandem triple quadrupole mass spectrometer (HPLC-ESI-MS/MS). Chromatography was performed isocratically on a C18, 5?mu m analytical column and the run time was 1.8?min. The lower limit of quantitation was 0.5?ng/mL and a linear calibration curve over the range 0.5150?ng/mL was obtained, showing acceptable accuracy and precision. This analytical method was applied in a relative bioavailability study in order to compare a test mirtazapine 30?mg single-dose formulation vs a reference formulation in 31 volunteers of both sexes. The study was conducted in an open randomized two-period crossover design and with a 14?day washout period. Since the 90% confidence interval for Cmax, AUClast and AUC0inf were within the 80125% interval proposed by the Food and Drug Administration and ANVISA (Brazilian Health Surveillance Agency), it was concluded that mirtazapine 30?mg/dose is bioequivalent to the reference formulation, according to both the rate and extent of absorption. Copyright (c) 2012 John Wiley & Sons, Ltd.
Subject: mirtazapine
Country: EUA
Editor: Wiley-blackwell
Citation: Biomedical Chromatography. Wiley-blackwell, v. 26, n. 11, n. 1399, n. 1407, 2012.
Rights: fechado
Identifier DOI: 10.1002/bmc.2711
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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