Wed, 18 Oct 2017

Formulation and Evaluation of Controlled Release Matrix Tablets of Ranolazine

R.Margret Chandira1, P.Palanisamy1*, B.Jaykar1, B.S.Venkateshwarlu1

1.Department of Pharmaceutics, Vinayaka Mission’s College of Pharmacy, Vinayaka Missions University, Salem (D.T), Tamil Nadu(State), India.


ABSTRACT

In the present research work an attempt was made to formulate and evaluate  CR tablets of Ranolazine by using different polymers, polymers namely HPMC Phthalate and Eudragit S 100. Drug polymer interaction studies were carried out by using FTIR analysis which confirmed that there were no interactions between the drug and excipients. All the physical parameters of Drug & Drug – excipients (wet granules) carried out. The results indicate that all formulations were within the pharmacopoeial  specifications. The various formulations of CR tablets of Ranolazine were formulated by using various concentration different polymers HPMC Phthalate and Eudragit S 100. The tablets were evaluated for pre compression and post compression parameters and In-vitro dissolution. The results indicated that the, physical parameters of formulated tablets were within the Pharmacopeial specifications. The controlled release tablets of Ranolazine formulations was optimized on the basis of different physical parameters and mainly with the comparison of formulations on the basis of in-vitro dissolution study and the optimized formulation F4 were found to be 97.0 % drug release within 24 hours. The kinetic studies To know the kinetic drug release, the data was treated according to different model. The drug release data of F1-F5 fitted to Higuchi plots were best fit into Higuchi equation and diffusion mechanism. The zero order plots for all formulation were found linear. The result shows that, drug release rate for the F4 formulation follow the zero order mechanism. The accelerated stability studies of selected formulation (F4) showed that there were no significant changes.

Keywords:  Ranolazine, HPMC Phthalate and Eudragit S 100.


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