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For simultaneous analysis of Dolutegravir and Rilpivirine utilizing RP-HPLC, an accurate, rapid, economical, quick and reliable assay technique was developed and tested. Successful chromatographic detachment using acetonitrile and 0.1 percent tri ethyl amine in the water of pH-2.5 adjusted with 0.1% orthophosphoric acid in 40:60 v/v as a movable phase with a flow of 1 ml/min and UV observation at 230 nm. Chromatography at ambient temperature was performed isocratically, and the run time was 10 min. By injecting the norm six times, device suitability parameters were studied and the findings were far below the acceptance criteria. The linearity analysis was performed at levels ranging from 10% to 150% and the R2 value was found to be 0.999. Precision has been found to be 0.8 for repeatability and 1.2 for intermediate precision. Assay of the commercialized formulation was performed by using the above method, and we get 100.01 percent was present. For routine analysis in drug testing, this chromatographic approach can be effectively implemented. By using the above technique, an assay of the marketed formulation was performed and found to be within the limit. Degradation studies were carried out on Dolutegravir and Rilpivirine, with a purity threshold greater than purity angle in all conditions and within the acceptable range. The above-mentioned technique was validated according to ICH guidelines. 


Development Dolutegravir Rilpivirine RP-HPLC Validation

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How to Cite
Gopinath K, Padmavathi K. V., Murali Krishna N, & Subbarao M. (2021). Validated stability indicating RP-HPLC method for the determination of dolutegravir and rilpivirine in bulk and pharmaceutical dosage forms. International Journal of Research in Pharmaceutical Sciences, 12(3), 1961-1966.