Abstract

Protease inhibitor-encapsulated human insulin microspheres were developed and evaluated in this research in order to determine the optimal formulation. Manufacturing human insulin microspheres involved coating them with eudragit S-100, stabilizing them with polyvinyl alcohol, and evaporating the solvent from w/o/w multiple emulsions. Excellent encapsulation efficiency and pH-dependent controlled release were demonstrated by human insulin-loaded eudragit L-100 microspheres with a protease inhibitor. This helped encapsulate and transfer insulin to the best absorption zone. Thus, insulin absorption and physiological response increased. Thus, insulin formulations enhance efficacy, making microsphere insulin injection more efficient as a diabetic treatment. Drug-polymer ratio affects microsphere size and form. The effect of emulsifying agent amount on microsphere size and manufacturing yield. Eudrajit RL, microspheres loaded with insulin, are more successfully formulated and manufactured at optimal concentrations of polymer and emulsifying agent

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