Ophthalmology · 2018
24-Hour Intraocular Pressure Control with Fixed-dose Combination Brinzolamide 1%/Brimonidine 0.2%: A Multicenter, Randomized Trial.
СтатьяМногоцентровое исследованиеРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Weinreb Robert N, Bacharach Jason, Fechtner Robert D, Kahook Malik Y, Wirta David, Burmaster Steve, Meng Xiangyi, Hubatsch Douglas A
Аннотация
PURPOSE: To determine the intraocular pressure (IOP)-lowering effect of fixed-combination brinzolamide 1%/brimonidine 0.2% (BBFC) over a 24-hour period.
DESIGN: Prospective, multicenter, double-masked, parallel-group clinical trial conducted at 16 academic and nonacademic sites in the United States.
PARTICIPANTS: Subjects with open-angle glaucoma (OAG) or ocular hypertension (OHT) aged ≥18 years with mean baseline IOP measurements in at least 1 eye of ≥21 and <28 mmHg.
METHODS: Duplicate mean pneumatonometer IOP measurements were collected every 2 hours over a 24-hour period in controlled light conditions in overnight facilities. Daytime (8 am-8 pm) and nocturnal (10 pm-6 am) IOP measurements were collected in a sitting or supine position, respectively. Baseline 24-hour IOP was measured in untreated subjects after a washout (up to 4 weeks) and eligibility phase. After the baseline visit, participants were randomized 1:1 to receive masked BBFC or vehicle, 1 drop 3 times daily (8 am, 3 pm, and 10 pm) for 4 weeks. At week 4, IOP measurements were repeated in both groups under the same conditions.
MAIN OUTCOME MEASURE: Mean change from baseline in 24-hour IOP at week 4.
RESULTS: Of 125 participants randomized, 123 (98%; BBFC, n = 62; vehicle, n = 61) completed the study. No subjects randomized to BBFC discontinued the study. At week 4, BBFC-treated eyes had significantly reduced mean 24-hour IOP vs. vehicle (least squares mean difference [95% confidence interval]: -2.5 [-3.3, -1.7]; P < 0.001); daytime (-3.4 [-4.3, -2.6]; P < 0.001) and nocturnal (-1.2 [-2.3, 0.0]; P = 0.053) reductions were observed. Mean change from baseline was significantly different between BBFC- and vehicle-treated eyes at all daytime points and 3 of 5 nocturnal time points (10 pm, 12 am, and 6 am; secondary end point). The frequency of adverse events was similar between treatment groups; in the BBFC arm, ocular hyperemia, corneal abrasion, and dysgeusia were the most frequently reported, consistent with events described in the drug label.
CONCLUSIONS: This large, multicenter study of 24-hour IOP control with BBFC met its primary end point; BBFC demonstrated significantly superior 24-hour IOP-lowering efficacy versus vehicle after 4 weeks of 3-times-daily treatment in subjects with OAG or OHT.
DESIGN: Prospective, multicenter, double-masked, parallel-group clinical trial conducted at 16 academic and nonacademic sites in the United States.
PARTICIPANTS: Subjects with open-angle glaucoma (OAG) or ocular hypertension (OHT) aged ≥18 years with mean baseline IOP measurements in at least 1 eye of ≥21 and <28 mmHg.
METHODS: Duplicate mean pneumatonometer IOP measurements were collected every 2 hours over a 24-hour period in controlled light conditions in overnight facilities. Daytime (8 am-8 pm) and nocturnal (10 pm-6 am) IOP measurements were collected in a sitting or supine position, respectively. Baseline 24-hour IOP was measured in untreated subjects after a washout (up to 4 weeks) and eligibility phase. After the baseline visit, participants were randomized 1:1 to receive masked BBFC or vehicle, 1 drop 3 times daily (8 am, 3 pm, and 10 pm) for 4 weeks. At week 4, IOP measurements were repeated in both groups under the same conditions.
MAIN OUTCOME MEASURE: Mean change from baseline in 24-hour IOP at week 4.
RESULTS: Of 125 participants randomized, 123 (98%; BBFC, n = 62; vehicle, n = 61) completed the study. No subjects randomized to BBFC discontinued the study. At week 4, BBFC-treated eyes had significantly reduced mean 24-hour IOP vs. vehicle (least squares mean difference [95% confidence interval]: -2.5 [-3.3, -1.7]; P < 0.001); daytime (-3.4 [-4.3, -2.6]; P < 0.001) and nocturnal (-1.2 [-2.3, 0.0]; P = 0.053) reductions were observed. Mean change from baseline was significantly different between BBFC- and vehicle-treated eyes at all daytime points and 3 of 5 nocturnal time points (10 pm, 12 am, and 6 am; secondary end point). The frequency of adverse events was similar between treatment groups; in the BBFC arm, ocular hyperemia, corneal abrasion, and dysgeusia were the most frequently reported, consistent with events described in the drug label.
CONCLUSIONS: This large, multicenter study of 24-hour IOP control with BBFC met its primary end point; BBFC demonstrated significantly superior 24-hour IOP-lowering efficacy versus vehicle after 4 weeks of 3-times-daily treatment in subjects with OAG or OHT.