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Orally administered, colon-specific mucoadhesive azopolymer particles for the treatment of inflammatory bowel disease: an in vivo study

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Radiolabeled congeners of a series of azopolymers have been synthesized and characterized. The in vivo (rat) gastrointestinal transit profile of millimeter-sized particles of these azopolymers has been determined and used to facilitate the selection of a candidate material for therapeutic applications. The efficacy of the selected material as a protective coating for the colonic mucosa has been tested in a hapten-reactivated, in vivo model of inflammatory bowel disease: 7 days after reactivation of the condition, the myeloperoxidase activity of animals that had received doses of the selected azopolymer was determined to be at the same level as that of healthy animals or that of the negative control group, highlighting the therapeutic promise of this material.
Original languageEnglish
Pages (from-to)706-715
Number of pages10
JournalJournal of Biomedical Materials Research Part A
Issue number3
Publication statusPublished - 2006

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