About Phelan-McDermid Syndrome

Phelan-McDermid Syndrome is a rare genetic disorder that affects the development and function of the brain. Children with Phelan-McDermid Syndrome are impacted across many areas of their health and wellbeing, including their ability to communicate, move, perform daily activities, and interact with their family and community.

Phelan-McDermid Syndrome causes significant challenges in day-to-day life for each child, their family, and their caregivers.

Currently, there are no approved treatments for Phelan-McDermid Syndrome. Treatment has been limited to specific symptoms such as seizures, sleep difficulties or constipation.