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  • Title: Comparison of brimonidine/latanoprost and timolol/dorzolamide: two randomized, double-masked, parallel clinical trials.
    Author: Zabriskie N, Netland PA, Brimonidine with Latanoprost Study Groups 1 and 2.
    Journal: Adv Ther; 2003; 20(2):92-100. PubMed ID: 12836809.
    Abstract:
    Two double-masked, randomized, parallel, multicenter trials of similar design were conducted to compare the IOP-lowering efficacy of dual therapy with brimonidine 0.2% and latanoprost 0.005% with the fixed combination of timolol 0.5%/dorzolamide 2% in patients with glaucoma or ocular hypertension. The combination of brimonidine and latanoprost produced significantly greater mean IOP reductions at each visit in both trials. In study 1, the mean reduction at peak drug effect after 6 weeks was 9.2 mm Hg (34.7%) with brimonidine and latanoprost and 6.7 mm Hg (26.1%) with timolol/dorzolamide (P=.024); respective reductions at week 12 were 9.0 mm Hg (33.9%) and 6.5 mm Hg (25.3%) (P=.044). At the month 1 visit in study 2, the mean peak IOP reduction was 10.6 mm Hg (39.0%) with dual therapy and 6.3 mm Hg (25.1%) with the fixed combination (P=.001). After 3 months, reductions were 9.1 mm Hg (33.4%) and 6.6 mm Hg (26.3%) (P=.047). In these studies, the combination of brimonidine and latanoprost provided IOP control superior to that of the fixed combination of timolol/dorzolamide.
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