Development and Validation of a UPLC Method for Rapid and Simultaneous Analysis of Proton Pump Inhibitors
Journal Title: AAPS PharmSciTech - Year 2015, Vol 16, Issue 1
Abstract
Proton pump inhibitors (PPIs) are used extensively for the relief of gastroesophageal reflux, peptic ulcers, and other hypersecretory conditions. Some of the commonly used PPIs—omeprazole, esomeprazole, lansoprazole, pantoprazole, and rabeprazole—were used in this study with the aim of developing a rapid ultra performance liquid chromatography (UPLC) method for detecting each and allowing separation and quantification of a mixture of PPIs. An analysis of samples was performed on a UPLC system equipped with a quaternary solvent delivery system, a refrigerated sample manager, a column heater, a photo diode array detector scanning from 210 to 400 nm, and a C18 analytical column (50 mm × 3.0 mm, 1.7-μm particle size). The chromatographic analysis of the PPI samples and standards was performed using gradient elution with acetonitrile and water. The calibration curve range varied for each of the PPIs ranging from a lower limit of 0.75–1.78 μg/mL to a maximum concentration of 200 μg/mL with a regression coefficient (r2) of ≥0.98. The accuracy and precision were calculated, and the %RSD was determined to be ≤0.21% (intraday) and ≤5% (interday). The LOD was 0.23–0.59 μg/mL and the LOQ was 0.71–1.78 μg/mL for each of the drugs analyzed. The method was capable of detecting and quantifying each drug in a mixture with good resolution and a total run time of less than 5 min. Herein, we report an efficient and rapid analytical method for the simultaneous detection of multiple PPIs in a mixture.
Authors and Affiliations
Richard T. Addo, Kenneth Davis, Ruhi Ubale, Joel S. Owen, E. Blake Watkins
Keywords
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- EP ID EP682183
- DOI 10.1208/s12249-014-0207-7
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