Abstract
The present investigation was aimed to assess the in vivo performance of combined polysaccharides based compression coated tablets for colonic delivery using X-ray study. Fast disintegrating core tablets containing barium sulphate was compression coated with guar gum (GG), locust bean gum (LBG) and hydroxyl propyl methyl cellulose (HPMC) in the ratio 3:3:4 with a coat weight of 400mg. The developed barium sulphate coated tablet was subjected for in vivo human X-ray study. X-ray study revealed that the tablet remained intact during its transit through upper part of gastrointestinal tract. The colon arrival time was found to be between 5-8 h. The disintegration of the tablet occurred in the colon between 14 to 16 h by the microflora present in the colon. In conclusion, results of X-ray studies revealed that GG and LBG along with HPMC was found to be promising coating materials for targeting drugs specifically to the colon.
Keywords: Colon specific drug delivery system, colon targeting, compression-coat, diclofenac sodium, guar gum, locust bean gum, X-ray imaging and HPMC.
Drug Delivery Letters
Title:In Vivo Human X-ray Investigation of Combined Polysaccharide Based Drug Delivery Systems Prepared for Colonic Delivery
Volume: 2 Issue: 2
Author(s): Sidramappa M. Chickpetty and Basawaraj V. Raga
Affiliation:
Keywords: Colon specific drug delivery system, colon targeting, compression-coat, diclofenac sodium, guar gum, locust bean gum, X-ray imaging and HPMC.
Abstract: The present investigation was aimed to assess the in vivo performance of combined polysaccharides based compression coated tablets for colonic delivery using X-ray study. Fast disintegrating core tablets containing barium sulphate was compression coated with guar gum (GG), locust bean gum (LBG) and hydroxyl propyl methyl cellulose (HPMC) in the ratio 3:3:4 with a coat weight of 400mg. The developed barium sulphate coated tablet was subjected for in vivo human X-ray study. X-ray study revealed that the tablet remained intact during its transit through upper part of gastrointestinal tract. The colon arrival time was found to be between 5-8 h. The disintegration of the tablet occurred in the colon between 14 to 16 h by the microflora present in the colon. In conclusion, results of X-ray studies revealed that GG and LBG along with HPMC was found to be promising coating materials for targeting drugs specifically to the colon.
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Cite this article as:
M. Chickpetty Sidramappa and V. Raga Basawaraj, In Vivo Human X-ray Investigation of Combined Polysaccharide Based Drug Delivery Systems Prepared for Colonic Delivery, Drug Delivery Letters 2012; 2 (2) . https://dx.doi.org/10.2174/2210304x11202020118
DOI https://dx.doi.org/10.2174/2210304x11202020118 |
Print ISSN 2210-3031 |
Publisher Name Bentham Science Publisher |
Online ISSN 2210-304X |
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