Formulation and optimization of mesoporous silica loaded gel containing extract of Rosmarinus officinalis for treatment of acute wound healing

This study investigate the development and optimization of a mesoporous silica-loaded gel formulated with Rosmarinus officinalis extract, aiming to amplify wound healing capabilities by harnessing the plant ' s known therapeutic properties alongside the sophisticated drug delivery advantages of mesoporous silica. The formulation process entailed encapsulating the Rosmarinus officinalis extract within mesoporous silica particles before their incorporation into a gel matrix, with particular attention paid to the variable concentrations of Poloxamer 407 and HPMC K15 M to evaluate their effect on the gel ' s Spreadability and drug release profile. Employing a comprehensive full factorial experimental design analyzed through Design -Expert software, inclusive of ANOVA and 3D surface plotting, the investigation identified batch RF7 as the prime formulation, composed of 14 % w/v Poloxamer 407 and 1 % w/v HPMC K15 M. RF7 precisely matched the predicted Spreadability with an experimental value of 13.6 gm.cm/sec and showcased a promising Cumulative % drug release at 10 h of 87.93 %, closely aligning with a predicted 89.94 %, marking a minimal percentage error of -2.01 %. The study further validated RF7 efficacy through stability and in -vitro antibacterial activity assessments, where it demonstrated significant zones of inhibition against E. coli (22.5 +/- 0.87 mm) and S. Aureus (23.4 +/- 1.15 mm), nearly paralleling or outperforming the Rosmarinus officinalis extract itself and a marketed standard, Candiderma Plus. These findings, supported by rigorous statistical validation, underscore RF7 enhanced wound healing potential, marrying natural therapeutic virtues with cutting-edge drug delivery technology for a promising advancement in wound care solutions.