Could a drug clear Alzheimer's plaques in people with down syndrome?
Disease control
Not yet recruiting
This study tests whether donanemab, given as an IV infusion every 4 weeks, can safely lower amyloid plaques in the brains of 60 adults aged 35–50 with Down syndrome. Participants receive either donanemab or a placebo for 12 months, followed by a 12-month extension where everyone …
Phase: PHASE4 • Sponsor: Michael Rafii, MD, PhD • Aim: Disease control
Last updated Jun 27, 2026 12:33 UTC