Intravitreous Bevacizumab as Anti–Vascular Endothelial Growth Factor Therapy for Retinopathy of Prematurity: A Morphologic Study

Abstract
Overexpression of vascular endothelial growth factor (VEGF) appears important in the pathogenesis of retinopathy of prematurity (ROP). Bevacizumab (Avastin; Genentech, Inc, South San Francisco, California) is a recombinant humanized monoclonal IgG1 antibody. It binds to and inhibits the biological activity of human VEGF.1 It has been estimated that more than 10 000 patients worldwide have been treated with intravitreous bevacizumab.2 We report results of a study in postmortem eyes with intravitreous bevacizumab treatment for zone 1, stage 2+ ROP in an extremely low-birth-weight infant.