Stability indicating assay method of sirolimus using HPLC and separation of acid degradant by HPTLC
By: Jadhav, S
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Contributor(s): Pisal, P | Mahajan, M.
Publisher: Mumbai Indian Drug Manufacture's Association - IDMA 2018Edition: Vol. 55 (04) April.Description: 48-55.Subject(s): PHARMACEUTICS | RP+HPLC | Stress degradationOnline resources: Click here
In:
Indian drugsSummary: A stability indicating RP-HPLC method has been developed and subsequently validated for Sirolimus. The proposed RP-HPLC method utilizes Phenomenex, C18, 3 μm, 4 mm x 150 mm column, mobile phase consisting of acetonitrile and water (65:35 V/V) and UV detection at 277 nm using a photodiode array detector in the stressed sample chromatograms. Crushed sirolimus tablets were exposed to thermal, photolytic, aqueous and oxidation stress conditions and stressed samples were analysed by the proposed method. Peak homogeneity data of the drug peaks were obtained using photodiode array detector. The stressed sample chromatograms demonstrated the specificity of the method for their estimation in presence of degradants. 99.66% degradation was observed in acid degradation study. on the other hand, no degradation was observed in aqueous condition. The given method was linear over a range of 0.1566 mg/mL to 0.4699 mg/mL. The mean recovery was found to be 99.23%. Acid degradant was separated by HPTLC and spectroscopic analysis was performed for the same.
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A stability indicating RP-HPLC method has been developed and subsequently validated for Sirolimus. The proposed RP-HPLC method utilizes Phenomenex, C18, 3 μm, 4 mm x 150 mm column, mobile phase consisting of acetonitrile and water (65:35 V/V) and UV detection at 277 nm using a photodiode array detector in the stressed sample chromatograms. Crushed sirolimus tablets were exposed to thermal, photolytic, aqueous and oxidation stress conditions and stressed samples were analysed by the proposed method. Peak homogeneity data of the drug peaks were obtained using photodiode array detector. The stressed sample chromatograms demonstrated the specificity of the method for their estimation in presence of degradants. 99.66% degradation was observed in acid degradation study. on the other hand, no degradation was observed in aqueous condition. The given method was linear over a range of 0.1566 mg/mL to 0.4699 mg/mL. The mean recovery was found to be 99.23%. Acid degradant was separated by HPTLC and spectroscopic analysis was performed for the same.
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