biib033 biib033 biib033 (also known as anti-lingo-1) is a monoclonal antibody targeting lingo1. as of 2015 it was being developed by biogen as a treatment for diseases such as multiple sclerosis and optic neuritis. biib033monoclonal antibodytype?clinical dataother namesanti-lingo-1legal statuslegal status investigational identifierscas number1884474-47-8