alexa An LC-MS-MS method for the determination of nevirapine, a non-nucleoside reverse transcriptase inhibitor, in human plasma.
Pharmaceutical Sciences

Pharmaceutical Sciences

Journal of Bioequivalence & Bioavailability

Author(s): Chi J, Jayewardene AL, Stone JA, Aweeka FT

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Abstract A sensitive and rapid liquid chromatography tandem mass spectrometry (LC-MS-MS) method has been developed to measure the levels of the HIV-1 non-nucleoside reverse transcriptase inhibitor nevirapine (NVP) in human plasma. The analyte and internal standard (IS) are isolated from plasma by a simple perchloric acid precipitation of plasma proteins followed by centrifugation. LC-MS-MS in positive mode used pairs of ions at m/z of 267/226 for NVP and 628/421 for the IS, respectively. Two linear calibration curves were established for quantitation of NVP with the low curve ranging from 25 to 1000 ng/ml and the high curve ranging from 1000 to 10,000 ng/ml. Mean inter- and intra-assay coefficients of variation (CVs) over the ranges of the two standard curves were less than 10\%. The overall recovery of NVP was 92.4\%. Copyright 2003 Elsevier Science B.V.
This article was published in J Pharm Biomed Anal and referenced in Journal of Bioequivalence & Bioavailability

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