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Feasibility Study Of Matrix Tablet For Gastroretention Application | 7429
ISSN: 2167-7689

Pharmaceutical Regulatory Affairs: Open Access
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Feasibility study of matrix tablet for gastroretention application

2nd International Conference and Exhibition on Pharmaceutical Regulatory Affairs

K. Ajith Reddy, C. Sai Sathavahana Reddy, H.V.Gangadharappa and N. Vishal Gupta

Posters: Pharmaceut Reg Affairs

DOI: 10.4172/2167-7689.S1.007

The objective of this study was to formulate and evaluate matrix tablets for controlled delivery of dextromethorphan hydrobromide (DBM) as a model drug. Matrix tablets were prepared by direct compression method using tamarind seed polysaccharide (TSP) as release retardant material and HPMC K15M and K100M as swelling agents. Prepared matrix tablets were characterised by FT-IR and DSC. FT-IR and DSC studies showed no chemical interaction between the drug and polymers. Matrix tablets were optimized on the bases of acceptable tablet properties like hardness, friability, drug content, weight variation, buoyancy percentage, in vitro and in vivo floatation in rabbits. Among all the formulations, F-IV showed 99.2% release at the end of 12 hours. The release data was fitted to various mathematical models such as, Higuchi, Korsmeyer-Peppas, First-order and Zero order to evaluate the release kinetics and mechanism of drug release followed fickian diffusion mechanism. The in vivo floatation study confirmed that floating matrix tablets could prolong the gastric retention time to more than 12 hours. Results of the stability studies showed that there were no significant changes in the drug content and physical appearance.
K.Ajith Reddy is a student of JSS College of Pharmacy, JSS University, Mysore, Karnataka, India. He has completed his B.Pharm from JSS College of Pharmacy, during the year 2011. Presently he is pursuing M.Pharm in Industrial Pharmacy group, Department of Pharmaceutics. His present interests are in Nanoparticles and Novel Drug Delivery Systems.