A VALIDATED RP-HPLC METHOD FOR SIMULTANEOUS ESTIMATION OF PYRANTEL PAMOATE AND PRAZIQUANTEL IN BULK AND PHARMACEUTICAL DOSAGE FORM
Keywords:RP-HPLC, Praziquantel, Pyrantel pamoate
Objective: To develop a simple, accurate and precise reverse-phase high-performance liquid chromatography (RP-HPLC) method and subsequently validate for the simultaneous estimation of praziquantel (PZQ) and pyrantel pamoate (PP) in the pharmaceutical dosage form.
Methods: The chromatographic separation was achieved on Phenomenex Luna C18 column (250 mm × 4.6 mm, 5 μm) as stationary phase maintained at an ambient temperature with a mobile phase comprising of water: acetonitrile (20: 80) at a flow rate of 1.0 ml/min and UV detection at 220 nm.
Results: The retention time of PZQ and PP was found to be 3.897 min and 1.697 min respectively. The method was validated in terms of specificity, accuracy, precision, linearity and robustness as per ICH guidelines. Linearity was obtained in the concentration range of 20–60 μg/ml for both PZQ and PP with correlation coefficients of 0.987 and 0.998 respectively. The accuracy of the method was determined using a recovery test and found as 98.44 % to 100.35 %. All parameters are found to be within the acceptable limit.
Conclusion: The developed RP-HPLC method was simple, rapid, accurate, precise for the simultaneous estimation of PZQ and PP in bulk and tablet dosage form.
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