Research Article | Volume : 1 Issue : 5, July 2011

Enhancement of dissolution rate of etoricoxib through solid dispersion technique

S.Muralidhar G.Devala Rao M.Krishna Murthy K.Kiran Kumar K.Kranthi Teja Syed Khaja NawajT.V.Narayana   

Open Access   

Abstract

Etoricoxib, a non-steroidal anti-inflammatory drug, is used to Osteoarthritis, Rheumatoid arthritis and Acute Gouty arthritis. Etoricoxib is practically insoluble in water; hence present study was carried out to enhance dissolution properties of Etoricoxib through the preparation of Solid Dispersions using PEG 6000 as carrier at various proportions by using different techniques like Physical mixtures, Kneading Method and Solvent Evaporation Method. The drug release profile was studied in 0.1N HCl containing 1 % SLS. U.V. Spectrophotometric method was selected for assay as well as in-vitro dissolution studies at 234nm.All the solid dispersions exhibited superior dissolution than pure drug. The drug dissolution studies followed first order kinetics. Solvent evaporation method was found to be superior to other methods.


Keyword:     dispersion Etoricoxib Physical mixtures Kneading method Solvent evaporation method.


Copyright:The Author(s). This is an open access article distributed under the Creative Commons Attribution Non-Commercial License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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