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Biol Pharm Bull. 2011;34(7):1126-8.

High-performance liquid chromatographic assay for the determination of nilotinib in human plasma.

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  • 1Department of Clinical Pharmaceutical Sciences, School of Pharmaceutical Sciences, Kumamoto University, 5–1 Oehonmachi, Kumamoto 862–0973, Japan.

Abstract

A precise and convenient high-performance liquid chromatography (HPLC) method has been established to assay nilotinib in human plasma. Chromatographic separation of nilotinib was performed on a LiChrosphere(®)100 RP-18(e) column (250 mm×4.0 mm, 5 µm) using a mixture of acetonitrile and 0.01 M phosphate buffer (pH 3.0) (42 : 58, v/v) under isocratic conditions at a flow rate of 1.0 ml/min with ultraviolet (UV) detection at 266 nm. The calibration curve showed linearity at concentrations between 250 ng/ml and 5000 ng/ml (r(2)>0.999). The mean±S.D. absolute recovery of nilotinib from plasma was 99.2±3.3%. The coefficients of variation of both intra- and inter-day precision were below 9.1%. These results indicate that this new HPLC-based quantification may be useful for therapeutic drug monitoring of nilotinib to help manage treatment in patients with chronic myeloid leukemia in clinical practice.

PMID:
21720025
[PubMed - indexed for MEDLINE]
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