Parkinson's sleep study halted early – what we know
Symptom relief
Terminated
This study looked at whether the drug safinamide (Xadago) could improve sleep quality in people with Parkinson's disease. Eleven participants took safinamide for 12 weeks while their sleep was measured. The trial was terminated early, so the results are not conclusive.
Phase: PHASE4 • Sponsor: Alain Kaelin • Aim: Symptom relief
Last updated Jun 27, 2026 11:00 UTC