ENHANCEMENT OF SOLUBILITY AND DISSOLUTION RATE OF SIMVASTATIN BY USING SOLID DISPERSION TECHNIQUE ALONG WITH DIFFERENT COMBINATION OF POLYMERS
Journal Title: Journal of Drug Delivery and Therapeutics - Year 2018, Vol 8, Issue 2
Abstract
The solubility and dissolution rate of simvastatin, a drug used for the treatment of hyperlipidaemia. Simvastatin is a selective competitive inhibitor of HMG Co A reductase. However its absolute bioavailability is 5%. To increase the solubility of drug solid dispersion was prepared. Solid dispersion preliminary solubility analysis was carried out for the selection of the carrier and solid dispersion was prepared with Hydroxy Propyl Methyl Cellulose (HPMC) and Methyl Cellulose (MC). These solid dispersions were analyzed for the solubility and in-vitro dissolution profile solid dispersion of drug with polymer has shown enhanced solubility with improved dissolution rate. Further FTIR, X-Ray studies were carried out. Solid dispersion prepared with polymer in 1:5 ratios shows the presence of amorphous form confirmed by the characterization study. The study also shows that dissolution rate of simvastatin can be enhanced to considerable extent by solid dispersion technique with Polymer. Keywords: Solubility enhancement, Solid dispersion, Low aqueous solubility
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- EP ID EP479306
- DOI 10.22270/jddt.v8i2.1668
- Views 74
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