Twice-daily 0.2% brimonidine-0.5% timolol fixed-combination therapy vs monotherapy with timolol or brimonidine in patients with glaucoma or ocular hypertension: A 12-month randomized trial

Mark B. Sherwood, E. Randy Craven, Connie Chou, Harvey B. DuBiner, Amy L. Batoosingh, Rhett M. Schiffman, Scott M. Whitcup

Research output: Contribution to journalArticle

Abstract

Objective: To evaluate the intraocular pressure (IOP)-lowering efficacy and safety of a fixed combination of 0.2% brimonidine tartrate and 0.5% timolol maleate (fixed brimonidine-timolol) compared with the component medications. Methods: In 2 identical, 12-month, randomized, double-masked multicenter trials, patients with ocular hypertension or glaucoma were treated with fixed brimonidine-timolol twice daily (n = 385), 0.2% brimonidine tartrate 3 times daily (n = 382), or 0.5% timolol maleate twice daily (n = 392). Main Outcomes Measures: Mean change from baseline IOP and incidence of adverse events. Results: The mean decrease from baseline IOP during 12-month follow-up was 4.4 to 7.6 mm Hg with fixed brimonidine-timolol, 2.7 to 5.5 mm Hg with brimonidine, and 3.9 to 6.2 mm Hg with timolol. Mean IOP reductions were significantly greater with fixed brimonidine-timolol compared with timolol at all measurements (P≤.002) and brimonidine at 8 AM, 10 AM, and 3 PM (P<.001) but not at 5 PM. The incidence of treatment-related adverse events in the fixed-combination group was lower than that in the brimonidine group (P = .006) but higher than that in the timolol group (P<.001). The rate of discontinuation for adverse events was 14.3% with the fixed combination, 30.6% with brimonidine, and 5.1% with timolol. Conclusions: Twice-daily fixed brimonidine-timolol therapy provides sustained IOP lowering superior to monotherapy with either thrice-daily brimonidine or twice-daily timolol and is better tolerated than brimonidine but less well tolerated than timolol. Application to Clinical Practice: Fixed brimonidine-timolol is an effective and convenient IOP-lowering therapy.

Original languageEnglish (US)
Pages (from-to)1230-1238
Number of pages9
JournalArchives of ophthalmology
Volume124
Issue number9
DOIs
StatePublished - Sep 19 2006
Externally publishedYes

ASJC Scopus subject areas

  • Ophthalmology

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