Abstract:
Importance:Some eyes with neovascular age-related macular degeneration (AMD) have persistent exudation despite frequent intravitreal anti-vascular endothelial growth factor (VEGF) injections. Adjuvant therapies that further reduce edema may improve vision outcomes. Objective:To compare the short-term effect of topical dorzolamide-timolol vs placebo in eyes with neovascular AMD that have persistent exudation following intravitreal anti-VEGF injections. Design, Setting, and Participants:Randomized placebo-controlled clinical trial with enrollment from March 1, 2017, through October 30, 2018. Multicenter trial at 4 clinical sites in the United States. Sixty-three patients with neovascular AMD who had persistent exudation despite intravitreal anti-VEGF injections at 4-week, 5-week, or 6-week intervals. Interventions:Patients were randomized to use dorzolamide-timolol or artificial tears for the study duration. They continued to receive the same anti-VEGF drug at the same interval as the 2 visits before enrollment for 3 additional study visits. Main Outcomes and Measures:The primary outcome measure was change in mean central subfield thickness on optical coherence tomography from baseline to visit 3 (approximately 3 months). Secondary measures included change in mean maximum subretinal fluid height, mean maximum pigment epithelial detachment height, and mean visual acuity (VA). Results:This trial included 52 patients. All 27 patients (100%) assigned to dorzolamide-timolol and 23 of 25 (92%) assigned to placebo were analyzed for the primary outcome. Mean (SD) age was 78.4 (7) years, and 34 of 50 patients (68%) were women. Mean (SD) injections were 20.5 (14) (range, 4-58) before enrollment. Mean (SD) baseline logMAR VA was 0.361 (0.26) (approximate Snellen equivalent, 20/50). Comparing the dorzolamide-timolol with placebo group from baseline to visit 3, mean (SD) change in central subfield thickness (primary outcome) was -36.6 (54) μm vs 1.7 (52.3) μm (difference, 30.8; 95% CI, 0.3-61.3; P = .04); secondary outcomes: maximum PED height was -39.1 (65) μm vs 1.1 (16) μm (difference, 39.6; 95% CI, 9.6-69.6; P = .01) and change in VA from baseline to visit 3 was -2.3 (5) vs 0.3 (1) letters (difference, 2.6 letters; 95% CI, -1.9 to 7.1 letters; P = .78). Conclusions and Relevance:These findings suggest use of dorzolamide-timolol in patients with neovascular AMD with persistent exudation resulted in anatomic but not visual acuity improvements compared with placebo at approximately 3 months. Additional clinical trials with longer follow-up and larger sample sizes presumably would be needed to determine the role, if any, of dorzolamide-timolol in neovascular AMD. Trial Registration:ClinicalTrials.gov Identifier: NCT03034772.
journal_name
JAMA Ophthalmoljournal_title
JAMA ophthalmologyauthors
Hsu J,Patel SN,Wolfe JD,Shah CP,Chen E,Jenkins TL,Wibbelsman TD,Obeid A,Mikhail M,Garg SJ,Ho AC,Chiang A,Spirn MJ,Vander JFdoi
10.1001/jamaophthalmol.2020.0724subject
Has Abstractpub_date
2020-05-01 00:00:00pages
560-567issue
5eissn
2168-6165issn
2168-6173pii
2763872journal_volume
138pub_type
杂志文章,多中心研究,随机对照试验abstract:OBJECTIVE:To investigate the efficacy of WINROP (https://winrop.com), an algorithm based on serial measurements of neonatal body weight to predict proliferative retinopathy of prematurity (ROP), in a Korean population of preterm infants. METHODS:The records of preterm infants with gestational age less than 32 weeks wh...
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