Innovative berberine nanoethosomal vaginal in situ gel: Unraveling polycystic ovary syndrome treatment on female Wistar rats
Abstract
PURPOSE: The present work seeks to develop, assess and refine a nanoethosomal vaginal in situ gel containing Berberine, aimed at enhancing its efficacy in treating Poly Cystic Ovary Syndrome (PCOS). This formulation aims to augment drug permeation, enable controlled release kinetics, and mitigate oral adverse effects commonly associated with Berberine administration.
METHOD: Nanoethosomes formulated using diverse soya lecithin-ethanol concentrations within a 32 full-factorial-design, sought optimal formulations based on particle size and %entrapment-efficiency. Subsequent scrutiny involved PDI, Zeta potential and drug-content evaluation. TEM analysis authenticated morphology, while in vitro drug release from Nanoethosomes was examined. Pluronic F-127 concentrations (16%-21%w/v) were explored for the in situ gel, analyzing pH, gelation time and gelation temperature. The refined gel underwent evaluations for viscosity and in vitro diffusion. In vivo assessment covered pharmacokinetics, vaginal irritancy and Mifepristone-induced PCOS management, validated through histopathological and biochemical analysis, juxtaposing findings across normal, diseased, plain Berberine gel and standard metformin administered groups.
RESULTS: Optimized Nanoethosomal Formulation(F3) displayed particle size of 183.5 nm, 82.58 % as %entrapment-efficiency, PDI of 0.137, -50.34 mV as zeta potential and 81.64 ± 1.57 % drug-content. TEM analysis confirmed spherical, nano-sized particles. In vitro studies…
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