Down syndrome hyperactivity drug trial stalls after just 3 kids enrolled
Symptom relief
Terminated
This study tested the drug guanfacine to see if it could reduce hyperactivity and impulsivity in children aged 6 to 12 with Down syndrome. The plan was to give the drug or a placebo for 8 weeks and measure behavior changes. However, the trial was stopped early after only 3 childr…
Phase: PHASE2 • Sponsor: Rachel G. Greenberg, MD, MB, MHS • Aim: Symptom relief
Last updated Jun 27, 2026 12:09 UTC