Publication Type:

Journal Article

Source:

Int J Biol Macromol (2018)

Abstract:

<p>Colorectal cancer, also known as bowel cancer, is the uncontrolled cell growth in the colon or rectum (parts of the large intestine), or in the appendix. The colon specific drug delivery would alleviate the systemic side effects and would assure the safe therapy for colonic disorders with minimum dose and duration of therapy. The liquisolid technique refers to solubilisation of drug in a non-volatile solvent combined with inclusion of appropriate carrier and coating agent required for tableting. Colon specific degradation of natural polymer, guar gum and pH dependant degradative (pH-7) property of eudragit L100 restricts the delivery of curcumin in gastric and intestinal pH. Formulated curcumin liquisolid powder was evaluated for the micrometric properties, solubility and by differential thermal analysis, X ray powder diffraction and scanning electron microscopy. Curcumin loaded liquisolid tablet showed more anticancer activity against HCT-15 compared with free curcumin. Bioavailability study of the coated and uncoated liquisolid tablets were performed using Newzealand white rabbits. The present study concludes that liquisolid technique is a promising alternative for improving oral bioavailability and dissolution rate of water insoluble drug and coating liquisolid tablet with colon sensitive polymers showed site specific release of drug in the colon.</p>

Cite this Research Publication

V. S. Kumar, Rijo, J., and M, S., “Guargum and Eudragit ® coated curcumin liquid solid tablets for colon specific drug delivery.”, Int J Biol Macromol, 2018.

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