Paper
The efficacy and safety of topical brinzolamide and dorzolamide when added to the combination therapy of latanoprost and a beta-blocker in patients with glaucoma.
Published Apr 21, 2005 · H. Tsukamoto, H. Noma, S. Matsuyama
Journal of ocular pharmacology and therapeutics : the official journal of the Association for Ocular Pharmacology and Therapeutics
34
Citations
1
Influential Citations
Abstract
PURPOSE Brinzolamide and dorzolamide are often used as adjunctive therapy to other antiglaucoma agents. The purpose of this study was to compare the efficacy and safety of brinzolamide 1% versus dorzolamide 1% when added to the combination therapy of latanoprost and a beta-blocker in patients with glaucoma. METHODS An 8-week, randomized, open-label comparative study was performed in 52 patients with glaucoma. Brinzolamide 1% (twice a day) or dorzolamide 1% (3 times a day) was randomly administered to the patients who had been treated with both latanoprost and a betablocker. RESULTS Intraocular pressure (IOP) were both decreased significantly (P < 0.0001) from 18.6 +/- 2.3 mmHg to 16.7 +/- 2.3 mmHg and from 18.4 +/- 2.6 mmHg to 16.6 +/- 2.5 mmHg, respectively, 8 weeks after the addition of brinzolamide or dorzolamide. However, the difference between the groups was not significant (P = 0.86). The incidence of ocular irritation was significantly higher (P < 0.0001) in the dorzolamide group (74%) than the brinzolamide group (16%), but there was no significant difference in blurred vision between the groups (dorzolamide 37% versus brinzolamide 52%, P = 0.40). CONCLUSIONS We concluded that the efficacy of brinzolamide 1% was equivalent to dorzolamide 1%; however, the safety of brinzolamide 1% was superior to dorzolamide 1% as adjunctive therapy to the combination with latanoprost and a beta-blocker.
Brinzolamide 1% is equivalent to dorzolamide 1% in reducing intraocular pressure when added to latanoprost and a beta-blocker, but has a higher safety profile.
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