Daridorexant for Alzheimer Disease Prevention
Recruiting now Phase 2 NCT07213349
Run by Douglas Mental Health University Institute · for 50 to 90 · All sexes · accepts healthy volunteers
What this study is about
This study will evaluate whether daridorexant, a DORA sleep medication, can support brain health by promoting the clearance of proteins linked to the development and progression of Alzheimer's disease. The trial is preventive and is open to participants who do not have Alzheimer's disease dementia, regardless of whether or not they experience sleep problems.
Who can join (things the study team will check)
✅ You may be able to join if…
- Without dementia as determined by: MoCA >21 or MMSE > 24 or Clinical Dementia Rating <1
- Minimum of 6 years of formal education
- Stable psychoactive medication for 1 month prior to screening with no intention to change dose during treatment period
- Capacity to provide written consent in English or French
🚫 You may not be able to join if…
- Clinical diagnosis of major neurocognitive disorder
- Unstable psychiatric condition:
- Clinically significant active suicidal ideations
- Unstable medical condition in the opinion of the investigator.
- Known or suspected history of drug or alcohol dependence or abuse within one year of the screening visit
- Currently taking a DORA
- Allergy or significant adverse reaction to DORA
- Use of benzodiazepines or z-drugs > 2 times per week in the last month.
- Use of major and moderate CYP3A4 inducers and inhibitors
- Use of strong central nervous system depressants, opioids, strong analgesics, antipsychotics, sedative antidepressants.
- Active use of cholinesterase inhibitors or memantine
- Women who are breast feeding or pregnant
- Severe obstructive sleep apnea (OSA)*
- Clinically significant non-treated rapid eye movement (REM) sleep behavior disorder, restless leg syndrome or parasomnia;
- Diagnosis of narcolepsy
Where this trial is running
- Centre StoP-Alzheimer (Douglas Mental Health University Institute - Research Centre), Montreal, Quebec, Canada
Who to contact
Jennifer Tremblay-Mercier, MSc · 855-888-4485 · prevenir.alzheimer@douglas.mcgill.ca
It's completely normal to call and ask questions before deciding anything. Mention the study ID: NCT07213349.
Verify everything on the official ClinicalTrials.gov record. Page updated July 2026.