Patent ID: 8951547
Filing Date: 2015-02-10
Classification: A61F,A61K,A61N,A61P,Y10S

Abstract:
1. An ocular drug delivery system comprising: a photocaged drug comprising a therapeutic agent that is rendered biologically inactive by being coupled to a protective ligand or caging group by a photocleavable bond; wherein said therapeutic agent is capable of being activated and/or released in response to a predetermined wavelength and/or intensity of light which breaks said photocleavable bond; wherein said photocaged drug is coupled to a superparamagnetic nanoparticle; and wherein the system is suitable for delivering the drug to an eye; and wherein said therapeutic agent is capable of being activated and/or released in response to visible light having a wavelength from 400 nm to 1000 nm which breaks said photocleavable bond.