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Liquid chromatography-mass spectrometry analysis of diethylcarbamazine in human plasma for clinical pharmacokinetic studies.

Identifieur interne : 002939 ( Main/Exploration ); précédent : 002938; suivant : 002940

Liquid chromatography-mass spectrometry analysis of diethylcarbamazine in human plasma for clinical pharmacokinetic studies.

Auteurs : Mark S. Schmidt [États-Unis] ; Christopher L. King [États-Unis] ; Edward K. Thomsen [Royaume-Uni] ; Peter M. Siba [Papouasie-Nouvelle-Guinée] ; Nelly Sanuku [Papouasie-Nouvelle-Guinée] ; Lawrence Fleckenstein [États-Unis]

Source :

RBID : pubmed:24975211

Descripteurs français

English descriptors

Abstract

A sensitive and selective liquid chromatographic method using mass spectrometric detection was developed for the determination of diethylcarbamazine (DEC) in human plasma. DEC and its stable isotope internal standard d3-DEC were extracted from 0.25mL of human plasma using solid phase extraction. Chromatography was performed using a Phenomenex Synergi 4μ Fusion-RP column (2mm×250mm) with gradient elution. The retention time was approximately 4.8min. The assay was linear from 4 to 2200ng/mL. Analysis of quality control samples at 12, 300, and 1700ng/mL (N=15) had interday coefficients of variation of 8.4%, 5.4%, and 6.2%, respectively (N=15). Interday bias results were -2.2%, 6.0%, and 0.8%, respectively. Recovery of DEC from plasma ranged from 84.2% to 90.1%. The method was successfully applied to clinical samples from patients with lymphatic filariasis from a drug-drug interaction study between DEC and albendazole and/or ivermectin.

DOI: 10.1016/j.jpba.2014.05.016
PubMed: 24975211


Affiliations:


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Le document en format XML

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<term>Diethylcarbamazine (chemistry)</term>
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<div type="abstract" xml:lang="en">A sensitive and selective liquid chromatographic method using mass spectrometric detection was developed for the determination of diethylcarbamazine (DEC) in human plasma. DEC and its stable isotope internal standard d3-DEC were extracted from 0.25mL of human plasma using solid phase extraction. Chromatography was performed using a Phenomenex Synergi 4μ Fusion-RP column (2mm×250mm) with gradient elution. The retention time was approximately 4.8min. The assay was linear from 4 to 2200ng/mL. Analysis of quality control samples at 12, 300, and 1700ng/mL (N=15) had interday coefficients of variation of 8.4%, 5.4%, and 6.2%, respectively (N=15). Interday bias results were -2.2%, 6.0%, and 0.8%, respectively. Recovery of DEC from plasma ranged from 84.2% to 90.1%. The method was successfully applied to clinical samples from patients with lymphatic filariasis from a drug-drug interaction study between DEC and albendazole and/or ivermectin.</div>
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