Abstract
Diloxanide Furoate is a Dichloroacetamide derivative utilized for the treatment of various protozoal infections like amoebiasis. Colon targeted tablets were designed using pH sensitive polymers like Eudragit S100, Eudragit L 100,Cellulose acetate phthallate at different concentrations. All the matrix,compression coated formulations showed the desired physicochemical properties as per the official limits. The drug release studies were performed according to the USP paddle method by using 0.1N HCL for 2 hours, pH 7.4 phosphate buffer for 3 hours and pH 6.8 phosphate buffer upto 18 hours. A better controlled drug release was shown for Eudragit L 100. Based on the comparative drug release studies among different Formulations F9 with Eudragit L 100 polymer showed better control drug release. The release kinetics for the Optimised Formulation F9 was calculated and “r2” value was more for Zero order kinetics i.e.,0.970 indicating that the formulation doesnot depend upon its concentration and from the Korsmeyer peppas model the diffusion exponent value “n” is > 1 indicating that it follows super case II transport mechanism. The accelerated stability studies conducted for optimised formulation F9 for 3 months have no significant variation.
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