Abstract
Inflammatory Bowel Diseases (IBD) is a debilitating condition that affects ~70,000 new people every year and has been described as "an expensive disease with no known cure". In addition, IBD increases the risk of developing colon cancer. The current therapeutics for IBD focus on the established disease where the immune dysfunction and bowel damage have already occurred but do not prevent or delay the progression. The current work describes a polymer-based anti-inflammatory technology (Ora-Curcumin-S) specifically targeted to the luminal side of the colon for preventing and/or treating IBD. Ora-Curcumin-S was prepared by molecular complexation of curcumin with a hydrophilic polymer Eudragit® S100 using co-precipitation method. Curcumin interacted with the polymer non-covalently and existed in an amorphous state as demonstrated by various physicochemical techniques. Ora-Curcumin-S is a polymer-drug complex, which is different than solid dispersions in that the interactions are retained even after dissolving in aqueous buffers. Ora-Curcumin-S was >1000 times water soluble than curcumin and importantly, the enhanced solubility was pH-dependent, which was observed only at pHs above 6.8. In addition, around 90% of Ora-Curcumin-S was ...Continue Reading
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