Ophthalmic drug delivery system

Details Ophthalmic drug delivery system Ophthalmic drug delivery system

A - Human Necessities

61

K

A61K 9/00 (2006.01) A61F 9/00 (2006.01) A61K 9/107 (2006.01) A61K 9/51 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2487940

A drug delivery system comprising a contact lens having dispersed therein as nanoparticles having a particle size less than about 50 nm, an ophthalmic drug nanoencapsulated in a material from which said ophthalmic drug is capable of diffusion into and migration through said contact lens and into the post-lens tear film when said contact lens is placed on the eye.

La présente invention concerne un système d'apport de médicament, qui comprend une lentille de contact dans lesquelles est dispersé, sous la forme de nanoparticules d'une taille inférieure à environ 50nm, un médicament ophtalmique nanoencapsulé dans un matériau à partir duquel ce médicament ophtalmique peut se diffuser dans cette lentille de contact et migrer à travers celle-ci dans le film lacrymal présent derrière la lentille lorsque cette lentille de contact est mise en place sur l'oeil.

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