The effect of the drug/polymer ratio on the properties of the verapamil HCl loaded microspheres.


In this study, the microspheres containing verapamil hydrochloride (VRP) were prepared with Eudragit RS 100 by solvent evaporation method. In the solvent evaporation method one of the parameters which affect to the formation and properties of the microspheres is the variations of drug/polymer ratios. The aim of our study is to examine the effects of this… (More)


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