This Phase 3 study, called the Koala study, examines whether NNZ-2591, an investigational medication, can improve communication and daily living skills in children with Phelan McDermid syndrome.
Study directors: Elysa Marco, MD, and Kevin Shapiro, MD, PhD
CostNo cost to participate, plus $100 per on-site visit
Who can join
Ages 3 to 12 years
A clinical diagnosis of Phelan McDermid syndrome with a documented SHANK3 genetic change
A body weight over 22 pounds (10 kg) at the first visit
Your child may not be able to join if they have
A seizure disorder that is not under control
A medical or psychiatric illness that is not stable
Current treatment with more than 3 psychotropic medications
Current use of certain other medications (our study team can talk this through with you)
What to expect
Testing
Thorough cognitive assessments, psychiatric questionnaires and medical evaluations.
Visits
11 visits over 5 months: 5 in clinic at Cortica Marin or Cortica Glendale and 6 by telehealth.
Cost
Medical visits and medications in the context of research are provided to families at no cost. We offer full travel support for families from outside California.
Payment
Families receive $100 for each on-site visit for their time, effort and travel.
Official study title: A Phase 3 Study of NNZ-2591 in Pediatric Participants with Phelan McDermid Syndrome