Effect of hydrophilic polymers on solubility of some antihypertentives drugs by enhancement of solubility using solid dispersion technique


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Volume :

3

Issue :

4

Abstract :

The main aim of the present study is to carried out to enhance solubility of Felodipine. Felodipine.was selected as model drug and different carriers like Vitamin-E, Polyethylene Glycol 8000, Polyvinyl pyrrolidone K-30 were used in drug to carrier ratio 1:1, 1:2, 1:4 by weight respectively. Solid dispersions were prepared by physical mixing method and solvent evaporation method. Solid dispersions were evaluated by drug content, in-vitro release, FT-IR, DSC and XRD. The obtained data of solid dispersion prepared by solvent evaporation method were compared with physical mixing method. The result showed decrease in melting point change from crystalline to amorphous form and improved dissolution rate as compared to physical mixing as well as pure Felodipine. The finding of present study proposes that solid dispersion approach is beneficial in enhancing solubility of drug and bioavailability as well.
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