First approved in 2011 to treat wet age-related macular degeneration, aflibercept is a blockbuster drug. Last year, it generated $9.2 billion for Regeneron and aflibercept co-developer Bayer. The drug is also indicated for diabetic retinopathy, diabetic macular edema and macular edema following retinal vein occlusion.
The Tarrytown, New York–based company has conducted two randomized Phase 3 studies testing aflibercept against laser in infants with retinopathy of prematurity. Both the FIREFLEYE and BUTTERFLEYE studies tested a 0.4 mg dose of aflibercept. Both studies found that roughly 80% of aflibercept recipients had an abs…