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Solid dispersion was prepared by solvent evaporation technique and it is optimized by using different of polymer and lipid ratios. The prepared solid dispersions were evaluated for solubility study, assay and in vitro dissolution study. The solid state property was characterized by differential scanning Calorimetry(DSC). The solubility and dissolution rate were found significantly increased in these solid dispersion systems compared with pure drug alone. The highest improvement of solubility and dissolution rate was found with PEG 6000 and 45 mg phosphatidycholine. DSC studies of solid...