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    RP-HPLC Method for the Stability-Indicating Analysis of Impurities of Both Fusidic Acid and Betamethasone-17-Valerate in a Semi-Solid Pharmaceutical Dosage Form


    Byrne, Jonathan and Velasco-Torrijos, Trinidad and Reinhardt, Robert (2015) RP-HPLC Method for the Stability-Indicating Analysis of Impurities of Both Fusidic Acid and Betamethasone-17-Valerate in a Semi-Solid Pharmaceutical Dosage Form. Journal of Chromatographic Science, 53 (9). pp. 1498-1503. ISSN 1945-239X

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    Abstract

    A topical pharmaceutical cream containing the active pharmaceutical ingredients (APIs) betamethasone-17-valerate and fusidic acid has been developed for the treatment of inflammatory skin conditions and associated secondary infections. In this work, a novel stability-indicating RP-HPLC method has been developed for the simultaneous quantitation of impurities of both APIs present in this cream. The HPLC column was a 150 mm × 4.6 mm I.D. YMC-Pack Pro C18 column with 3 µm particles. The column-oven temperature was maintained at 40°C and UV detection at 235 nm was used. A gradient programme was employed at a flow rate of 0.7 mL/min. Mobile phase A comprised of a 16:21:21:42 (v/v/v/v) mixture of methanol, 10 g/L phosphoric acid, HPLC grade water and acetonitrile. Mobile phase B comprised of a 24:5:5:66 (v/v/v/v) mixture of methanol, 10 g/L phosphoric acid, HPLC grade water and acetonitrile. The method has been validated according to current International Conference on Harmonisation (ICH) guidelines and applied during formulation development and stability studies. The procedure has been shown to be stability-indicating for the topical cream.

    Item Type: Article
    Keywords: Liquid Chromatography; RP-HPLC Method; Fusidic Acid; Betamethasone-17-Valerate;
    Academic Unit: Faculty of Science and Engineering > Chemistry
    Item ID: 10739
    Identification Number: https://doi.org/10.1093/chromsci/bmv045
    Depositing User: Dr. Trinidad Velasco-Torrijos
    Date Deposited: 23 Apr 2019 14:16
    Journal or Publication Title: Journal of Chromatographic Science
    Publisher: Oxford University Press
    Refereed: Yes
    URI:

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