Abstract
A simple, rapid, accurate and precise RP-HPLC method was developed and validated for the determination of Etelcalcetide in bulk and parentral dosage form. Quantification of the drug was achieved on Shimadzu HPLC comprising of LC- 20 AD binary gradient pump, a variable wavelength programmable SPD-20A detector and SCL system controller. C18G column (250 mm x 4.6 mm, 5 μ) as stationary phase with mobile phase consisting of acetonitrile: methanol :water in the ratio of 25: 45 :30 v/v. The method showed a good linear response in the concentration range of 3.75-22.5 μg/ml with correlation coefficient of 0.9999. The flow rate was maintained at 1.0 ml/min and effluents were monitored at 238 nm. The retention time of etelcalcetide was 6.201 min. The method was statistically validated for accuracy, precision, linearity, ruggedness, robustness, solution stability, selectivity and sensitivity. The results obtained in the study were within the limits of ICH guidelines and hence this method can be used for the determination of etelcalcetide in bulk and parentral dosage form.
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