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Influence of coating on the triamcinolone release of alginate chitosan beads for colonic drug delivery

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DOI: 10.4236/ns.2011.311122    4,393 Downloads   8,292 Views   Citations

ABSTRACT

The aim of this study was to evaluate the effect of coating of alginate-chitosan (AL:CS) beads on the colonic drug delivery. The AL:CS systems containing triamcinolone (TC) were coated with the HPMCP and Eudragit? L100 by immersion and by spraying methods. The drug release profile in simulated colonic medium was determined using 5% human fecal content suspension in 0.01 N buffer solution, pH 6.8. The systems coated with HPMCP showed a lower rate of drug delivery in simulated enteric medium. The delivery profile in simulated colonic medium followed zero-order kinetic. The coated systems provided a promising drug-delivery profile for application in colonic drug delivery.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Vier, N. and Lucinda-Silva, R. (2011) Influence of coating on the triamcinolone release of alginate chitosan beads for colonic drug delivery. Natural Science, 3, 955-962. doi: 10.4236/ns.2011.311122.

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