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|Title:||Preserved ophthalmic drug compositions containing polymeric quaternary ammonium compounds|
|Abstract:||Disclosed are storage-stable preserved ophthalmic compositions containing acidic drugs in combination with polymeric quaternary ammonium compounds and boric acid.|
|Inventor(s):||Desai; Suketu Dipakbhai (Fort Worth, TX), Nelms; Diane S. (Fort Worth, TX)|
|Assignee:||Alcon Laboratories, Inc. (Fort Worth, TX)|
1. A method for treating or controlling ocular inflammation comprising the topical ocular application of a preserved storage stable ophthalmic composition comprising a
therapeutically-effective amount of one or more acidic non-steroidal anti-inflammatory agents, a combination of an antimicrobial polymeric quaternary ammonium compound and boric acid in an amount effective to meet at least the minimum United States
Pharmacopeia XXII and European Pharmacopeia (1994) preservative effectiveness requirements, and an ophthalmically acceptable vehicle; provided that the composition does not contain a viscosity-enhancing amount of polyvinyl alcohol.
2. The method of claim 1, wherein the non-steroidal anti-inflammatory agent comprises an aryl- or heteroaryl- alkanoic acid, or an ophthalmically acceptable salt, ester, amide or prodrug thereof.
3. The method of claim 2 wherein the non-steroidal anti-inflammatory agent is selected from the group consisting of diclofenac and its ophthalmically acceptable salts, esters, amides or prodrugs.
4. The method of claim 2 wherein the non-steroidal anti-inflammatory agent is selected from the group consisting of suprofen and its ophthalmically acceptable salts, esters, amides or prodrugs.
5. The method of claim 2 wherein the non-steroidal anti-inflammatory agent is selected from the group consisting of bromfenac and its ophthalmically acceptable salts, esters, amides or prodrugs.
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