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A stability indicating RP-UPLC method for estimation of dronedrone related impurities in bulk drugs and its pharmaceutical dosage forms | Abstract

Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

ISSN: 0975-413X

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Abstract

A stability indicating RP-UPLC method for estimation of dronedrone related impurities in bulk drugs and its pharmaceutical dosage forms

Author(s): Srihari Molleti, Vinay Rao and K N Jayaveera

The objective of the current study was to develop a validated, specific and stability-indicating reverse phase UPLC method for the quantitative determination of Dronedrone related substances. The determination was done for active pharmaceutical ingredient and its pharmaceutical dosage forms in the presence of degradation products, and its process-related impurities. The drug was subjected to stress conditions of hydrolysis (acid and base), oxidation, photolysis and thermal degradation per International Conference on Harmonization (ICH) prescribed stress conditions to show the stability-indicating power of the method. Significant degradation was observed during acid, oxidative and photo stress studies. In the developed UPLC method, the resolution between Dronedarone and its process-related impurities was found to be greater than 2.0. Regression analysis shows an r2 value (correlation coefficient) of greater than 0.999 for all the four impurities. The chromatographic separation was achieved on a C8 stationary phase. The method employed a Isocratic elution and the detection wavelength was set at 290 nm. The stress samples were assayed against a qualified reference standard and the mass balance was found to be close to 99.7%. The developed UPLC method was validated with respect to linearity, accuracy, precision and robustness.


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