Abstract
The purpose of this study was to analyze demographic and ocular features of patients with age-related macular degeneration who failed aflibercept (Eylea; Regeneron, Tarrytown, NY) treatment after switching from ranibizumab (Lucentis; Genentech, South San Francisco, CA) or bevacizumab (Avastin; Genentech, South San Francisco, CA). Retrospective chart review of patients treated with aflibercept at the Byers Eye Institute from November 2011 to August 2014. Patient visual acuity was noted prior to aflibercept; after 1, 3, and 12 months; and on the most recent visit. Patients who improved vision after switching were compared to patients who lost vision. Demographic and imaging features were analyzed using univariate and multivariate statistics. Patients who lost vision had significantly higher BMI (P = .013, multivariate) and geographic atrophy (P = .0381, univariate; P = .1, multivariate) compared to patients who improved vision. BMI and geographic atrophy may be considered as potential indicators for poor response to aflibercept after switching from ranibizumab or bevacizumab. [Ophthalmic Surg Lasers Imaging Retina. 2016;47:458-465.].
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