Bi-functional co-polymer use for ophthalmic and other topical and local applications
AssigneeCalm Water Therapeutics LLC
InventorsEugene Rex Cooper, David Maxwell Kleinman, Andrew Loxley, Mark A. Mitchnick
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Abstract
The invention contemplates a copolymer which is a graft or block copolymer useful to change wettability and surface characteristics of biological surfaces. Methods for use of these formulations and coatings to change wettability and sterically stabilize, and lubricate biological surfaces in a subject, for example, in the treatment of dry eye syndrome, and to prevent adherence of unwanted proteins, for example in the treatment of contact lens intolerance, are provided.
Claims19
A method for prolonging the stability of an ocular surface tear film of a subject, comprising contacting said ocular surface of said subject with a composition comprising a graft copolymer having a positively charged backbone and one or more hydrophilic water soluble side chains selected from the group consisting of polyethylene glycols, polysaccharides, poly(meth)acrylates, polyacrylamides, polyvinyl alcohol (PVA), polyethyloxazoline, poly-N-vinyl pyrrolidone (NVP) and poly boronic-based polymers, wherein the positively charged backbone is selected from the group consisting of poly(2-vinyl pyridine), poly(4-vinyl pyridine) and vinyl co-polymers thereof, in an amount and for a duration so as to prolong the stability of said tear film of said subject.
Dependencies are inferred from the claim text.