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Original Article

J App Pharm Sci. 2015; 5(4): 020-025

Development and Evaluation of Chitosan Based Polymeric Nanoparticles of an Antiulcer Drug Lansoprazole

E. Nagarajan, P. Shanmugasundaram, V. Ravichandiran, A. Vijayalakshmi, B. Senthilnathan, K. Masilamani.


Objective: The development of new delivery systems for the controlled release of drugs is one of the most innovative fields of research in pharmaceutical sciences. Nanoparticles specially designed to release the drug in the vicinity of target sites. The aim of this study was to formulate and evaluate the Lansoprazole nanoparticles to improve the therapeutic efficacy of Lansoprazole by loading in nanoparticle drug delivery system.
Materials and Methods: Lansoprazole loaded chitosan nanoparticles (CNP1 to CNP10) were prepared by ionotropic gelation method. The formulated nanoparticles were evaluated for external morphological characters, determination of particle size analysis, zeta potential, drug content, entrapment efficiency and in-vitro release studies.
Results: The drug content for the Lansoprazole loaded chitosan nanoparticles varied from 69.5±7.2% to 87.9±1.2%. The entrapment efficiencies were found to be minimum and maximum of 39.3±2.6% and 85.6±1.2%, the optimum entrapment efficiency was found to be 85.3±0.8%, particle size varied from 360±12nm to 814±62nm, zeta potential values were in positive and increased from 11.2±1.2mV to 18.7±0.4mV. In-vitro release of drug follows zero order and showed sustained release behavior for a period of 24 hr.
Conclusion: The study demonstrated the successful preparation of sustained release polymeric nanoparticles of Lansoprazole.

Key words: Lansoprazole, polymeric nanoparticles, chitosan, ionotropic gelation

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