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FORMULATION AND EVALUATION OF SUSTAIN RELEASE CYCLOBENZAPRINE HYDROCHLORIDE PELLETS

Journal: Indian Drugs (Vol.54, No. 5)

Publication Date:

Authors : ; ;

Page : 19-25

Keywords : Cyclobenzaprine Hydrochloride; Muscle relaxant; Ethyl Cellulose; Hypromellose; First order model.;

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Abstract

Cyclobenzaprine Hydrochloride is a centrally acting muscle relaxant which is mostly available in the form of tablets and capsules. The present aim of the study was to develop a sustained release formulation of cyclobenzaprine Hydrochloride pellets using powder layering technique. Nine different formulations of pellets were prepared by using different concentrations of Ethyl Cellulose-50, Hypromellose (HPMC), and PEG 6000 of all formulations, F8 formulation was the optimized formulation. The kinetic studies of F8 formulation was best fitted in the First order model as it had the highest value (R2 = 0.981) and it follows non- fickian diffusion. Among all the formulations F8 gave better drug release 85.7% when compared to innovator, F8 was selected as optimized formulation. The optimized formulation was kept for stability studies for 3 months at 40°C /75% RH and 25°C /60% RH and the results indicated that there was no much variation in their physiochemical characteristics and the formulation was found to be stable.

Last modified: 2017-07-20 16:19:01