Formulation And Optimization Of A Transdermal Patch For Delivery Of Anti-Anxiety Phytoconstituents

Transdermal drug delivery systems have gained significant attention as an effective alternative to oral therapy due to their ability to bypass first-pass metabolism and provide controlled drug release. The present research focuses on the formulation and optimization of a transdermal patch containing anti-anxiety phytoconstituents extracted from medicinal plants traditionally used in the management of anxiety disorders. The selected phytoconstituents were characterized for compatibility with polymeric excipients prior to formulation. Transdermal patches were prepared using the solvent casting method with varying concentrations of polymers, plasticizers, and permeation enhancers. Optimization was carried out using a systematic experimental design to achieve desirable physicochemical properties. The prepared patches were evaluated for thickness, weight variation, folding endurance, moisture content, drug content uniformity, and in vitro drug release. Ex vivo permeation studies were performed using suitable animal skin to assess permeation behavior1 . The optimized formulation demonstrated satisfactory mechanical strength, uniform drug distribution, and sustained release of phytoconstituents over an extended period. The findings suggest that the developed transdermal patch offers a promising, non-invasive, and patient-friendly approach for the delivery of anti-anxiety phytoconstituents, potentially improving therapeutic efficacy and patient compliance

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