DEVELOPMENT AND VALIDATION OF NEW STABILITY INDICATING REVERSED-PHASE HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY METHOD FOR SIMULTANEOUS DETERMINATION OF METFORMIN HYDROCHLORIDE AND ERTUGLIFLOZIN IN BULK AND PHARMACEUTICAL DOSAGE FORM
DOI:
https://doi.org/10.22159/ajpcr.2019.v12i1.28938Keywords:
Metformin hydrochloride, Ertugliflozin, Reversed-phase - high-performance liquid chromatography, Validation, Simultaneous, DegradationAbstract
Objective: The present study deals with the development, validation, and application of simple, precise, and accurate high-performance liquid chromatography (HPLC) method for the simultaneous estimation of metformin hydrochloride and ertugliflozin in pharmaceutical formulation and to validate.
Methods: The analytical conditions were optimized on BDS C8 column (150 mm × 4.6 mm, 5 μm) at room temperature. The mobile phase consists of buffer: acetonitrile in 55:45 v/v ratio. Injection volume was 10 μl. The flow rate was maintained at 1.0 ml/min, and the analysis was carried out at 224 nm.
Results: The method was found to be linear in the concentration range of 125–750 μg/ml and 1.875–11.25 μg/ml for metformin hydrochloride and ertugliflozin with regression coefficient r2 = 0.999. The method was found to be precise with percentage relative standard deviation below 2%. The limit of detection and limit of quantification were found to be within the limits. The percentage recovery of the developed method was 100.15%. All the validation parameters such as robustness, recovery, and precision were found to be within the limits. Degradation parameters such as acid, base, thermal and peroxide, light, temperature, and humidity were performed and found that the drugs are stable in all the extreme conditions.
Conclusions: A simple, accurate, precise, and less time-consuming reversed-phase HPLC method for the simultaneous estimation of metformin hydrochloride and ertugliflozin has been developed and validated in accordance with the ICH guidelines.
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