Volume 3, Issue 3


Formulation and evaluation of mucoadhesive microspheres of repaglinide


Author: P.K.Sahoo, S.C.Dinda, S.K.Kanungo

Abstract: The aim of the current work to develop and evaluate mucoadhesive microspheres of Repaglinide using the emulsification solvent evaporation technique. Effects of formulation variables, i.e. polymer concentration and phase volume ratio on particle size, % mucoadhesion and drug release were investigated in this study. Scanning electron microscopy of microspheres with maximum drug content (Formulation CH1:8) demonstrated smooth surface spherical particles with a mean diameter of 64.78 ± 3.26 μm. The mean Particle size, % drug loading and mucoadhesion were found to vary by changing the formulation variables. Microspheres size was significantly increased as increasing the polymer concentration in the aqueous phase while the size of microspheres decreases as increase in volume of the continuous phase. Decrease in size of microspheres leads to decrease in mucoadhesion time, % drug loading and faster the drug release. It can be concluded that the present mucoadhesive microspheres can be an ideal system to deliver the Repaglinide in the sustained release manner for management of Type II Diabetes Mellitus.

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