期刊
SURVEY OF OPHTHALMOLOGY
卷 44, 期 -, 页码 S155-S162出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S0039-6257(99)00107-1
关键词
Azopt (R); brinzolamide; carbonic anhydrase inhibitor; dorzolamide; glaucoma; ocular hypertension; open-angle glaucoma; primary therapy
A randomized, multicenter, double-masked, prospective, parallel study was designed to establish the intraocular pressure (IOP)-lowering efficacy, safety, and tolerability of brinzolamide 1.0% (Azopt(R)) as a primary therapy compared with dorzolamide 2.0% (Trusopt(R)) and placebo in patients diagnosed with open-angle glaucoma (with or without a pseudoexfoliative or a pigmentary dispersion component) or ocular hypertension. Brinzolamide 1.0%, dosed two times (b.i.d.) and three times (t.i.d.) a day, dorzolamide 2.0% (t.i.d.), and placebo (t.i.d) were administered to patients during a 3-month treatment period. Diurnally corrected IOP reduction from baseline, including peak and trough times, was the primary end point. Sample sizes were chosen to establish statistical equivalence between treatments. Mean IOP changes observed on treatment were as follows: -3.4 mm Hg (-13.2%) to -4.1 mm Hg (-16.7%) with brinzolamide 1.0% b.i.d.; -4.1 mm Hg (-16.6%) to -4.8 mm Hg (-19.1%) with brinzolamide 1% t.i.d.; and -4.3 mm Hg (-16.9%) to -4.9 mm PIS (-20.1%)with dorzolamide 2.0%. IOP reductions after administration of brinzolamide 1.0% b.i.d. and t.i.d. were equivalent to each other and also clinically and statistically equivalent to those with dorzolamide 2.0% t.i.d. The incidence of ocular discomfort (burning and stinging) upon instillation was significantly higher for dorzolamide (10.7%) than brinzolamide (b.i.d. or t.i.d., 3.0% each). The most frequent nonocular event reported was taste perversion, which was less (3.7%) with brinzolamide 1.0% b.i.d., but brinzolamide t.i.d. was similar to dorzolamide t.i.d. (6.8% vs. 5.3%). Brinzolamide 1.0% b.i.d., brinzolamide 1.0% t.i.d., and dorzolamide 2.0% t.i.d. equaled each other in IOP-lowering efficacy, and brinzolamide was significantly more comfortable than dorzolamide upon instillation. (C) 2000 by Elsevier Science Inc. All rights reserved.
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