Quantification of amlodipine and atorvastatin in human plasma by UPLC–MS/MS method and its application to a bioequivalence study

Quantification of amlodipine and atorvastatin in human plasma by UPLC–MS/MS method and its... A robust, rapid and sensitive UPLC–MS/MS method has been developed, optimized and validated for the determination of amlodipine (AML) and atorvastatin (ATO) in human plasma using eplerenone as an internal standard (IS). Multiple‐reaction monitoring in positive electrospray ionization mode was utilized in Xevo TQD LC–MS/MS. Double extraction was used in sample preparation using diethyl ether and ethyl acetate. The prepared samples were analyzed using an Acquity UPLC BEH C18 (50 × 2.1 mm, 1.7 μm) column. Ammonium formate and acetonitrile, pumped isocraticaly at a flow rate of 0.25 mL/min, were used as a mobile phase. Method validation was done as per the US Food and Drug Administration guidelines. Linearity was achieved in the range of 0.1–10 ng/mL for AML and 0.05–50 ng/mL for ATO. Intra‐day and inter‐day accuracy and precision were calculated and found to be within the acceptable range. A short run time, of <1.5 min, permits analysis of a large number of plasma samples per batch. The developed and validated method was applied to estimate AML and ATO in a bioequivalence study in healthy human volunteers. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Biomedical Chromatography Wiley

Quantification of amlodipine and atorvastatin in human plasma by UPLC–MS/MS method and its application to a bioequivalence study

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Publisher
Wiley
Copyright
Copyright © 2018 John Wiley & Sons, Ltd.
ISSN
0269-3879
eISSN
1099-0801
D.O.I.
10.1002/bmc.4224
Publisher site
See Article on Publisher Site

Abstract

A robust, rapid and sensitive UPLC–MS/MS method has been developed, optimized and validated for the determination of amlodipine (AML) and atorvastatin (ATO) in human plasma using eplerenone as an internal standard (IS). Multiple‐reaction monitoring in positive electrospray ionization mode was utilized in Xevo TQD LC–MS/MS. Double extraction was used in sample preparation using diethyl ether and ethyl acetate. The prepared samples were analyzed using an Acquity UPLC BEH C18 (50 × 2.1 mm, 1.7 μm) column. Ammonium formate and acetonitrile, pumped isocraticaly at a flow rate of 0.25 mL/min, were used as a mobile phase. Method validation was done as per the US Food and Drug Administration guidelines. Linearity was achieved in the range of 0.1–10 ng/mL for AML and 0.05–50 ng/mL for ATO. Intra‐day and inter‐day accuracy and precision were calculated and found to be within the acceptable range. A short run time, of <1.5 min, permits analysis of a large number of plasma samples per batch. The developed and validated method was applied to estimate AML and ATO in a bioequivalence study in healthy human volunteers.

Journal

Biomedical ChromatographyWiley

Published: Jan 1, 2018

Keywords: ; ; ; ;

References

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