Author(s): Rajashree S Masareddy, Smitha D Rananaware, Bhushan R Patil

Email(s): rsmasareddy@rediffmail.com

DOI: Not Available

Address: Rajashree S. Masareddy*, Smitha D. Rananaware and Bhushan R. Patil
Department of Pharmaceutics, J.N.Medical College, KLE University, Belgaum 590 010 Karnataka, India.
*Corresponding Author

Published In:   Volume - 3,      Issue - 2,     Year - 2010


ABSTRACT:
In view of improving oral bioavailability of rabeprazole, in the present study multi-unit floating alginate microbeads of rabeprazole were prepared by ionotropic gelation method using sodium bicarbonate as gas forming agent. Effect of cross linking agent BaCl2 and CaCl2, concentration of gas forming agent and concentration of alginate on formulation was investigated. Prepared microbeads were evaluated for particle size, scanning electron microscopy, drug polymer compatibility, drug entrapment efficiency and drug release. The floating behavior of the alginate beads after dosing was observed in-vivo on healthy rabbits. The formulated beads were found to be spherical and free flowing. The surface topography and floating time was found to vary with change in concentration of gas forming agent and alginate concentration. All the formulations remained buoyant and controlled release for up to 10 hrs. As a Cross linking agent CaCl2 was found to be effective than BaCl2.Studies showed drug release from formulation was by supercase II-transport mechanism, following Peppas model.


Cite this article:
Rajashree S Masareddy, Smitha D Rananaware, Bhushan R Patil. Preparation and Characterization of Rabeprazole Gastroretentive Drug Delivery System by Ionotropic Gelation Technique. Research J. Pharm. and Tech. 3(2): April- June 2010; Page 526-529.


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RNI: CHHENG00387/33/1/2008-TC                     
DOI: 10.5958/0974-360X 

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