Tue, 21 Nov 2017

Formulation and Evaluation of Fast Dissolving Tablets of Diclofenac Sodium by Using Two Different Superdisintegrating Agents

Malla Vasavi Chandrika1*, G. Juliangel Grace1, K. Sesharatnam1, E. Navya Sree1, T. Meghana1, Y. Aziel Roy1

1.Department of pharmaceutics, St. Ann’s College of pharmacy, Chirala, A.P, India


ABSTRACT

The main objective of present investigation is to formulate fast dissolving tablets of Diclofenac sodium and to evaluate flow, mechanical and release properties of diclofenac sodium tablets formulated by using two different super disintegrating agents namely sodium starch glycolate and microcrystalline cellulose. Two batches of formulations were prepared. F1 to F4 are formulated by using SSG with varying concentrations of 10 mg, 20 mg, 30 mg & 40 mg. similarly next four formulations (F5 to F8) were formulated by taking MCC as superdisintegrant with varying concentrations of 10 mg, 20 mg, 30 mg & 40 mg. All the eight formulations are having good flow properties and are prepared by direct compression technique.  Compatibility studies were conducted by using FTIR and all the excipients used in the formulation were compatible with the drug.  All the eight formulations shows first order release. The dissolution kinetics was presented in Table 5. The dissolution rate followed first-order kinetics as the graphs drawn between log % drug unreleased vs time were found to be linear. The dissolution rate of diclofenac sodium was found to be effected by the concentration of the superdisintegrant (sodium starch glycolate) used in the preparation of tablets. Based on the dissolution rate, the order of drug release from the four formulations was F4> F3> F2> F1. The formulation prepared with 40 mg of sodium starch glycolate (F4) was offered relatively rapid release of diclofenac sodium when compared with other concentrations employed in this investigation.

Keywords: Diclofenac sodium, SSG, MCC, Direct compression method.


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