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|Title:||Combination of brimonidine timolol for topical ophthalmic use|
|Abstract:||Disclosed are pharmaceutical compositions comprising brimondine and timolol for topical ophthalmic delivery and a method of treatment comprising administering said composition when indicated for glaucoma and associated conditions such as elevated intraocular pressure in the eyes of humans.|
|Inventor(s):||Chang; Chin-Ming (Tustin, CA), Beck; Gary J. (Fullerton, CA), Pratt; Cynthia C. (Mission Viejo, CA), Batoosingh; Amy L. (Mission Viejo, CA)|
|Assignee:||Allergan, Inc. (Irvine, CA)|
1. A method of treating glaucoma or ocular hypertension by topical administration of about 0.2% brimonidine by weight to an eye of a person in need thereof, said
improvement comprising topically administering to said eye, in a single composition, about 0.2% brimonidine by weight and about 0.5% timolol by weight twice a day; as the sole active agents; wherein said method is as effective as administration of 0.5%
timolol twice a day and 0.2% brimonidine three times a day to said eye, wherein the two compounds are administered in separate compositions.
2. The method of claim 1 wherein said composition further comprises from 0.001% to 0.01% benzalkonium chloride.
3. The method of claim 2 wherein said composition comprises about 0.005% benzalkonium chloride.
4. A method of reducing the number of daily topical ophthalmic doses of brimondine administered topically to an eye of a person in need thereof for the treatment of glaucoma or ocular hypertension from 3 to 2 times a day without loss of efficacy, wherein the concentration of brimonidine is 0.2% by weight, said method comprising administering said 0.2% brimonidine by weight and 0.5% timolol by weight in a single composition.