Abstract
To characterize diabetic macular edema (DME) incidence in fellow eyes of patients treated for DME in the study eye. This post hoc analysis of VISTA/VIVID data evaluated fellow eyes without DME at baseline through Week 100. Diabetic macular edema presence in the fellow eye was inferred by investigator-reported DME adverse events and use of DME treatments. Over 100 weeks, 44.9%, 44.2%, and 42.9% of fellow eyes developed DME in the intravitreal aflibercept injection 2 mg every 4 weeks (n = 245), intravitreal aflibercept injection 2 mg every 8 weeks (n = 258), and laser control (n = 252) groups, respectively. Mean time to DME development in combined treatment groups was ∼6 months. Multivariable regression analysis confirmed patients with shorter diabetes duration (hazard ratio per 10-year decrease, 1.16; 95% confidence interval, 1.03-1.30; P = 0.0160) and thicker baseline study eye central subfield thickness (hazard ratio per 10- µ m increase, 1.01; 95% confidence interval, 1.01-1.02; P = 0.0002) were at higher risk of developing DME in the fellow eye. Among patients with DME in one eye at baseline, almost half developed DME in the fellow eye over 2 years. Shorter duration of diabetes and thicker study eye central subfield thickness were predictors of DME development in the fellow eye.
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