DEVELOPMENT AND VALIDATION OF A STABILITY INDICATING RP-HPLC METHOD FOR THE DETERMINATION OF POTENTIAL DEGRADATION PRODUCTS OF DIFLUPREDNATE IN OPHTHALMIC EMULSION
Journal Title: International Journal of Pharmacy and Pharmaceutical Sciences - Year 2018, Vol 10, Issue 9
Abstract
Objective: The objective of the current study was to develop and validate a simple, robust, precise and accurate RP-HPLC (reverse phase-high performance liquid chromatography) method for the quantitative determination of potential degradation products of Difluprednate (DIFL) in the ophthalmic emulsion.Methods: Chromatographic separation was achieved on the YMC pack ODS-AQ (150× 4.6) mm, 3μm column with a mobile phase containing a gradient mixture of mobile phase A (0.02M Ammonium formate buffer pH 4.5 adjusted with formic acid) and Acetonitrile as mobile phase B, at flow rate of 1.5 ml/min and with UV detection at 240 nm.Results: The peak retention time of DIFL was found at about 17.2 min, the RRT of degradation product-1 (DP-1), degradation product-2 (DP-2), and degradation product-3 (DP-3), were found to be about 0.49, 0.65 and 0.79 respectively (calculated with respect to Difluprednate). Stress testing was performed in accordance with an ICH (international council for harmonisation) guideline Q1A (R2) [1]. The method was validated as per ICH guideline Q2 (R1)[2]. The calibration curve was found to be linear in the concentration range of 0.1 to 0.75 µg/ml for Difluprednate, DP-1, DP-2 and DP-3. The LOD (Limit of detection) was found to be 0.1µg/ml and LOQ (Limit of quantification) of 0.15µg/ml for Difluprednate, DP-1, DP-2 and DP-3 respectively. The recovery from LOQ to 150% was within 90-110%. The forced degradation data confirms the stability indicating the nature of the method.Conclusion: A simple, robust, precise and accurate RP-HPLC method for the quantitative determination of potential degradation products of Difluprednate in the ophthalmic emulsion was developed and validated.Â
Authors and Affiliations
Murlidhar V. Zope, Rahul M. Patel, Ashwinikumari Patel, Samir G. Patel
Keywords
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- EP ID EP566162
- DOI 10.22159/ijpps.2018v10i9.26342
- Views 52
- Downloads 0
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