Could a sleep pill ward off Alzheimer's? new trial aims to find out

NCT ID NCT07213349

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether daridorexant, a sleep medication, can help the brain clear proteins linked to Alzheimer's disease. The trial includes 240 adults without dementia, regardless of sleep issues. Participants take the drug or a placebo nightly for one year, and researchers measure changes in Alzheimer's-related proteins in the blood.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

daridorexant (a sleep medication)

What this could lead to

If successful, this could point toward a new way to prevent Alzheimer's disease by improving brain waste clearance during sleep.

What could go wrong

This is an early phase 2 trial with only 240 participants, so results may not apply broadly. The study measures biological markers, not actual prevention of dementia, and the drug may not show a meaningful effect.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

Cognitive Dysfunction Pick disease Alzheimer disease prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Centre StoP-Alzheimer (Douglas Mental Health University Institute - Research Centre)

    RECRUITING

    Montreal, Quebec, H4H 1R3, Canada

    Contact

    Contact