FDA Mandates New Vision Loss Warnings for Ozempic, Wegovy, and Zepbound
The U.S. Food and Drug Administration (FDA) has issued a directive requiring manufacturers of GLP-1 medications, including Ozempic, Wegovy, Mounjaro, and Zepbound, to update their prescribing labels. The new labels must include a warning about the potential risk of non-arteritic anterior ischemic optic neuropathy (NAION), a rare eye condition that can lead to sudden, painless, and sometimes permanent vision loss. This decision follows a comprehensive safety review by the FDA, which analyzed randomized clinical trials, animal studies, post-marketing patient reports, and real-world observational data. While the overall incidence of NAION remains uncommon, the FDA's analysis of clinical trials showed 6.4 cases per 100,000 person-years in GLP-1 users compared to 3.8 cases in control groups. Drugmakers like Eli Lilly and Novo Nordisk have acknowledged the FDA's update, with Novo Nordisk stating that current data does not definitively prove a causal link and maintaining confidence in their medicines' benefit-ris...