News Ranibizumab Treat-and-Extend Regimen May Be Better for Neovascular AMD by Medscape • 2016/01/25 • 0 Comments A ranibizumab treat-and-extend regimen appears to be better than a pro re nata (PRN) regimen for treating neovascular age-related macular degeneration (AMD), according to researchers from Switzerland. Reuters Health Information Full Story →