American journal of ophthalmology · 2000
Brimonidine 0.2% versus dorzolamide 2% each given three times daily to reduce intraocular pressure.
Клиническое исследованиеСравнительное исследованиеСтатьяМногоцентровое исследованиеРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Stewart W C, Sharpe E D, Harbin T S, Pastor S A, Day D G, Holmes K T, Stewart J A
Аннотация
PURPOSE: To evaluate the efficacy and safety of brimonidine compared with dorzolamide given three times daily as monotherapy in patients with primary open-angle glaucoma or ocular hypertension.
METHODS: In a double-masked, multicenter, crossover comparison in 40 patients, qualified patients were washed out from their previous medication and randomized to dorzolamide 2% or brimonidine 0.2% for the first 6-week treatment period. Patients then were washed out for 2 weeks and started on the opposite medication for the second 6-week period.
RESULTS: Baseline intraocular pressure for all 40 subjects (76 eyes) was 24.1 +/- 2.0 mm Hg. This study found that the 8:00 AM trough intraocular pressure after 6 weeks of therapy for dorzolamide was 20. 7 +/- 3.1 mm Hg and for brimonidine 20.8 +/- 3.2 mm Hg (P =.99). The peak intraocular pressure (2 hours after dosing) for dorzolamide was 18.6 +/- 3.4 mm Hg and for brimonidine 17.8 +/- 2.7 mm Hg (P =.10 ). Dorzolamide caused more stinging upon instillation (P <.01) and brimonidine more itching (P =.01). No statistical differences existed between groups for systemic adverse events. Six patients, all on brimonidine, were discontinued from a treatment period early. Of these, two were discontinued for inadequate pressure control, two with dizziness and fatigue, one with ocular pain, and one for lifestyle reasons (P =.07).
CONCLUSIONS: This study found similar efficacy and safety between monotherapy treatment with dorzolamide or brimonidine when each was given three times daily to patients with ocular hypertension or primary open-angle glaucoma.
METHODS: In a double-masked, multicenter, crossover comparison in 40 patients, qualified patients were washed out from their previous medication and randomized to dorzolamide 2% or brimonidine 0.2% for the first 6-week treatment period. Patients then were washed out for 2 weeks and started on the opposite medication for the second 6-week period.
RESULTS: Baseline intraocular pressure for all 40 subjects (76 eyes) was 24.1 +/- 2.0 mm Hg. This study found that the 8:00 AM trough intraocular pressure after 6 weeks of therapy for dorzolamide was 20. 7 +/- 3.1 mm Hg and for brimonidine 20.8 +/- 3.2 mm Hg (P =.99). The peak intraocular pressure (2 hours after dosing) for dorzolamide was 18.6 +/- 3.4 mm Hg and for brimonidine 17.8 +/- 2.7 mm Hg (P =.10 ). Dorzolamide caused more stinging upon instillation (P <.01) and brimonidine more itching (P =.01). No statistical differences existed between groups for systemic adverse events. Six patients, all on brimonidine, were discontinued from a treatment period early. Of these, two were discontinued for inadequate pressure control, two with dizziness and fatigue, one with ocular pain, and one for lifestyle reasons (P =.07).
CONCLUSIONS: This study found similar efficacy and safety between monotherapy treatment with dorzolamide or brimonidine when each was given three times daily to patients with ocular hypertension or primary open-angle glaucoma.