期刊
JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS
卷 88, 期 -, 页码 262-268出版社
ELSEVIER
DOI: 10.1016/j.jpba.2013.08.036
关键词
Pomalidomide; Liquid chromatography-mass spectrometry; Mouse; Brain; Pharmacokinetics
资金
- Multiple Myeloma Opportunities for Research and Education (MMORE)
- Leukemia and Lymphoma Society [LLS 7080 SCOR]
- NIH [2P30CA016058-35, 1P50CA140158, U01GM092655, 5KL2RR025754]
Pomalidomide was recently approved by the United States Food and Drug Administration for the treatment of patients with relapsed or refractory multiple myeloma who have received at least two prior therapies. As pomalidomide is increasingly evaluated in other diseases and animal disease models, this paper presents development and validation of a sensitive liquid chromatography tandem mass spectrometry assay for quantification of pomalidomide in mouse plasma and brain tissue to fill a gap in published preclinical pharmacokinetic and analytical data with this agent. After acetonitrile protein precipitation, pomalidomide and internal standard, hesperitin, were separated with reverse phase chromatography on a C-18 column with a gradient mobile phase of water and acetonitrile with 0.1% fomic acid. Positive atmospheric pressure chemical ionization mass spectrometry with selected reaction monitoring mode was applied to achieve 0.3-3000 nM (0.082-819.73 ng/mL) linear range in mouse plasma and 0.6-6000 pmol/g in brain tissue. The within- and between-batch accuracy and precision were less than 15% for both plasma and brain tissue. The method was applied to measure pomalidomide concentrations in plasma and brain tissue in a pilot mouse pharmacokinetic study with an intravenous dose of 0.5 mg/kg. This assay can be applied for thorough characterization of pomalidomide pharmacokinetics and tissue distribution in mice. (C) 2013 Published by Elsevier B.V.
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