Abstract
We developed a novel, rapid, sensitive, and stability-indicating UHPLC method for quantification of Perindopril (PER), Amlodipine (AML), and their impurities in pharmaceutical formulations. The optimum chromatographic separation was achieved in gradient elution mode using Agilent SB C18 (50 × 3.0 mm, 1.8 μm) column. A buffer containing 0.1% perchloric acid and acetonitrile was used as a mobile phase component. The flow rate was 0.8 mL per minute and the detection wavelength at 215 nm was optimized. We also set an injection volume of 10 μL and the column thermostat at 60 °C. The findings were interesting: Resolution for PER, AML, and nine impurities is more than 1.5 for any pair of compounds. The proposed method is validated according to the ICH guidelines, and it is accurate, precise, linear, rugged, and robust. Specificity study proves the method efficiency in estimating PER, AML, and their related substances within the same run. The drug product was subjected to various stress degradation conditions and a significant amount of degradation in acid hydrolysis was observed. We proved the method robustness of chromatographic conditions by applying response surface methodology as a tool under a QbD approach and established the design space. This method is found to be stability-indicating and can be applied for analysis in quality control laboratories.
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The authors wish to thank and acknowledge the management and the research team of Epione Labs Pvt Ltd for supporting this work.
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Mohan, T.S.S.J., Jogia, H.A. & Mukkanti, K. Novel Stability-Indicating UHPLC Method Development and Validation for the Quantification of Perindopril, Amlodipine and Their Impurities in Pharmaceutical Formulations: Application of QbD Approach. Chromatographia 83, 1197–1220 (2020). https://doi.org/10.1007/s10337-020-03936-6
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DOI: https://doi.org/10.1007/s10337-020-03936-6