Colchicine mesoporous silica nanoparticles/hydrogel composite loaded cotton patches as a new encapsulator system for transdermal osteoarthritis management.

International Journal of Biological Macromolecules
Amina L MohamedAbeer A A Salama

Abstract

Colchicine is a drug from the past with a bright shining future. It has gained much attention nowadays due to the newly explored therapeutic avenues that were opened by its application in serious ailments. Colchicine has been recently observed as a potential treatment for osteoarthritis (OA). OA is a widespread joint degenerative disease that causes extensive pain and disability. Colchicine has been discovered to affect bone turnover and to reduce different cytokines like interleukin 6 (IL6). Colchicine oral administration has several limitations including extensive first-pass effect, poor bioavailability, and severe GIT side effects. The transdermal route circumvents these limitations. However, colchicine transdermal delivery is challenging owing to its high aqueous solubility and hence poor skin permeation. In this study, novel colchicine transdermal delivery systems were developed to conquer such obstacles. Cellulose-based patches were primed, where mesoporous silica nanoparticles (MSNs) were prepared and used as colchicine encapsulators. The free colchicine or the encapsulated drug was embedded into self-healing hydrogel. The hydrogel was prepared by reacting carboxyethyl chitosan and oxidized pullulan. These composites wer...Continue Reading

Citations

Nov 12, 2020·Journal of Biomaterials Science. Polymer Edition·Shujuan LuoYanping Chen

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