Hunter syndrome is caused by the body’s inability to produce a critical enzyme needed to break down cellular waste. The condition can cause damage to organs throughout the body as well as to the brain. A new generation of therapies in development, including a gene therapy currently under review by the U.S. Food and Drug Administration, that has the potential to address the neurological symptoms of the disease. Still, patient advocates have been frustrated by regulatory delays and are seeking to push the FDA and Congress to take action. We spoke with Kristin McKay, CEO of the Hunter syndrome patient advocacy organization Project Alive, about the need for new therapies, the importance of early detection, and the patient community’s concerns with regulatory delays in approving needed treatments. An editor’s note: Since recording this podcast, the FDA granted accelerated approval to Stealth Biotherapeutics’ Forzinity for Barth syndrome, which is referenced in the discussion.