Development And Evaluation Of Colon Targeted Drug Delivery For Mesalamine
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Abstract
The main objective of this study was to formulate mesalamine loaded alginate microspheres for local treatment of ulcerative colitis and optimized batch were then filled in capsules coated with Eudragit S 100. The microspheres were prepared by ionic gelation method. Box Behnken design using design expert software was employed in formulating and optimizing the microspheres. Microspheres were evaluated for particle size, shape and entrapment efficiency. The optimized batch was then filled in capsule coated with Eudragit S100.This encapsulated system released alginate microspheres at colon region in a sustained manner. The drug release of microspheres showed a longer residence time in the colon due to better mucoadhesion properties of sodium ALG. Therefore mesalamine-loaded alginate microspheres enteric coated in capsules can be potential delivery system for local treatment of ulcerative colitis
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