TRIMETAZIDINE HYDROCHLORIDE TRANSDERMAL PATCH: FORMULATION AND IN-VITRO EVALUATION
Journal Title: International Research Journal of Pharmacy (IRJP) - Year 2012, Vol 3, Issue 7
Abstract
The present study was carried out to formulate and evaluate matrix-type transdermal formulations containing trimetazidine hydrochloride with polymers such as carboxymethyl chitosan and hydroxypropylmethylcellulose (HPMC 5cps) by solvent evaporation technique with glycerin, as plasticizer. The prepared patches were tested for their physicochemical characteristics such as thickness, weight variation, drug content uniformity, folding endurance and tensile strength. The partition coefficient study was performed using n-octanol as the organic phase and phosphate buffer pH 7.4 as an aqueous phase and it was found to be 1.01. In-vitro release studies of trimetazidine hydrochloride-loaded patches in phosphate buffer (pH, 7.4) exhibited drug release in the range of 89.40 to 92.10 % in 24 hrs. The parameter flux (J) was calculated and it was in the range of 1.325 to 2.898 mg/cm2/hr. Based on optimization studies, patches containing carboxymethyl chitosan patches were chosen as optimized formulation. Skin irritation studies were performed on optimized transdermal patch and were found to be free of irritation. The patches were subjected to short term stability studies and were found stable. FTIR studies revealed no interactions between drug and excipients. Data of in vitro release from optimized patches were fit in to different equations and kinetic models such as zero order, first-order, Higuchi and Korsmeyer-Peppas models to explain release kinetics.
Authors and Affiliations
Md Sarfaraz , Jayendra Reddy , Doddayya Hiremath , R. H. Udupi
Keywords
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