Development And Characterization of Inhaled Chitosan Nanoparticles Loaded with Isoniazid
Journal Title: JOURNAL OF PHARMACEUTICAL TECHNOLOGY, RESEARCH AND MANAGEMENT - Year 2014, Vol 2, Issue 2
Abstract
The objective of our study is to load first line anti-tubercular drug, Isoniazid in chitosan Nanoparticles in order to enhance bioavailability and to reduce dose frequency. The chitosan nanoparticles containing the drug Isoniazid were prepared by the method of spontaneous emulsification. Chitosan gel containing drug is cross linked with Glutaraldehyde and nanoparticle suspension obtained was centrifuged at 5000 rpm. It was then evaluated for Drug loading, swelling index, Mucoadhesive force, Zeta potential, DLS studies, DSC studies, SEM studies, In vitro Drug release, Pharmacokinetic Studies and Stability studies.Formulation 1(F1) shows maximum Drug Loading, Swelling index and mucoadhesive force. The positive zeta value was obtained for all formulations due to positive charge of polymer used in preparation of dispersion. The DLS plot of Formulations shows that Average particle diameter are in the range of 661.8-823.8nm. The SEM study revealed that the micrographs of cross linked chitosan nanoparticles have smooth surface. The thermogram of the formulations showed the shifting of endotherm. This indicates the possible change in the release kinetics and bioavailability of the drug. In vitro drug releases was found to be maximum for formulation F6. Pharmacokinetic evaluation shows all the formulation shows first order rate release profile and release mechanism from nanoparticles is diffusion controlled. Stability studies indicated that the developed chitosan nanoparticles are physically and chemically stable and retain their pharmaceutical properties at various environmental conditions over a period of 3 months.
Authors and Affiliations
Junise V , R Saraswathi
Keywords
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- EP ID EP596691
- DOI 10.15415/jptrm.2014.22011
- Views 129
- Downloads 0
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