Phelan-McDermid Syndrome Foundation

The Phelan-McDermid Syndrome Foundation is the largest and most trusted nonprofit working to make today better and the future brighter for everyone living with Phelan-McDermid syndrome — from the moment of diagnosis to the delivery of treatments and cures. Phelan-McDermid syndrome is a rare genetic condition that can compromise many critical functions in a person’s body, from learning and communicating to eating and sleeping. Started by families who understand both the beauty and barriers of having a child with this life-altering condition, the Foundation is doing everything it takes to support and connect families, improve medical care, and drive research breakthroughs to deliver treatments and cures faster. Powered by the collective strength of families, scientific experts and community partners, we’ll achieve a world where Phelan-McDermid syndrome is treatable and curable, and every person and family affected are thriving. Learn more and join us at pmsf.org.