Pegasys to Echo Therapeutics Pty Ltd. Research A Cochrane Review sought to determine whether interferon alfa-2a could be used as a treatment for individuals with neovascular age-related macular degeneration. They found no evidence of improved visual acuity with potential harm. References External links CYP1A2 inhibitors Antiviral drugs Immunostimulants World Health Organization essential medicines Hoffmann-La Roche brands Genentech brands Withdrawn drugs