simultaneous determination of rosuvastatin and amlodipine in human plasma using tandem mass spectrometry: application to disposition kinetics
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ID: 168919
2015
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Abstract
The liquid chromatography–tandem mass spectrometric assay method for the simultaneous determination of rosuvastatin and amlodipine in human plasma using deuterated analogs as internal standards has been developed and validated. The analytes were extracted from 100 μL aliquots of human plasma via liquid–liquid extraction using a mixture of ethyl acetate and n-hexane (80:20, v/v) as an extraction solvent. The optimized mobile phase was composed of 0.1% formic acid in 5 mM ammonium acetate, methanol, and acetonitrile (20:20:60, v/v/v) and delivered at a flow rate of 0.75 mL/min. The calibration curve obtained was linear (R2 ⩾ 0.999) over the concentration range of 0.52–51.77 ng/mL for rosuvastatin and 0.10–10.07 ng/mL for amlodipine. A sample turnover rate of less than 2.5 min makes it an attractive procedure in high-throughput bioanalysis of rosuvastatin and amlodipine. The present method was found to be applicable to clinical studies and the results were authenticated by incurred sample reanalysis.
| Reference Key |
narapusetti2015journalsimultaneous
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|---|---|
| Authors | ;Anjaneyulu Narapusetti;Syama Sundar Bethanabhatla;Anbazhagan Sockalingam;Nagakishore Repaka;Veldandi Saritha |
| Journal | reading & writing |
| Year | 2015 |
| DOI |
10.1016/j.jare.2014.08.010
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| URL | |
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