REVERSE-PHASE HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY METHOD DEVELOPMENT AND VALIDATION FOR SIMULTANEOUS ESTIMATION AND FORCED DEGRADATION STUDIES OF EMTRICITABINE, RILPIVIRINE, AND TENOFOVIR ALAFENAMIDE IN SOLID DOSAGE FORM
Journal Title: Asian Journal of Pharamceutical and Clinical Research - Year 2019, Vol 12, Issue 1
Abstract
Objective: A stability indicating reverse-phase high-performance liquid chromatography (RP-HPLC) method was developed and validated for the estimation of emtricitabine (EMT), rilpivirine (RIL), and tenofovir alafenamide (TAF) in combined dosage forms and its API.Methods: Chromatographic separation was achieved on Waters ACQUITY RP-HPLC with PDA detector having Zodiac C18 Column (250×4.6×5μ) using mobile phase mixture of phosphate buffer: acetonitrile in the ratio of 40:60 v/v at 262 nm.Results: The assay was performed with tablets, and the % assay was found to be 100.104 for EMT, 99.74 for RIL, and 102.41 for TAF which shows that the method is useful for routine analysis. The linearity was found to be linear with a correlation coefficient of 0.999, which shows that the method is capable of producing good sensitivity. The retention time (RT) of EMT, RIL, and TAF using optimum conditions was found to be 2.517, 3.273, and 6.697 min. Forced degradation studies (FDS) were performed on sample using acid, base, thermal, photolytic, and peroxide degradation.Conclusion: Due to its simplicity, rapidness, high precision, and low RT value, this method was successfully applied to the estimation of EMT, RIL, and TAF combined dosage form. The drugs were found to be stable at FDS, and the net degradation was found to be within the limits.
Authors and Affiliations
Juluri Krishna Dutta Tejaswi, Govinda Rajan R
Keywords
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- EP ID EP607106
- DOI 10.22159/ajpcr.2019.v12i1.28765
- Views 132
- Downloads 0
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