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Brain wave study could unlock secrets of memory loss in aging

NCT ID NCT06501495

Knowledge-focused Sponsor: Assistance Publique - Hôpitaux de Paris Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at slow brain waves during sleep and wakefulness in 90 people: young adults, healthy seniors, and early-stage Alzheimer's patients. Researchers will measure these waves and test memory and attention. They will also play sounds during sleep to see if it boosts memory. The goal is to understand how slow waves link to cognitive decline and find new ways to help.

What this could mean

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

What this could lead to
If successful, this could identify slow waves as a key biomarker for cognitive decline, potentially guiding future interventions to improve memory in aging and Alzheimer's.
What could go wrong
This is an early exploratory study with only 90 participants, so findings may not apply broadly. It does not test a treatment, so direct benefits are unlikely.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 90 people

The number the study aims to enrol. It can still change while the study runs.

Started

Apr 2025

Expected to finish

Apr 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 85 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

* Common Inclusion Criteria for All Three Groups: Male or female Signed informed consent Affiliated with a social security system Native French speakers Completed at least 7 years of schooling (minimum 9th grade level) Specific Inclusion Criteria for Each Group: Patients: Age: 60 to 85 years Prodromal stage of Alzheimer's disease diagnosed according to international diagnostic criteria, characterized by a clinical phenotype of progressive amnesic syndrome of the hippocampal type, associated with biological markers of Alzheimer's disease 1) from lumbar puncture (Aβ \< 600 pg/mL and ptau \> 60 pg/mL)or 2) amyloid PET (positron emission tomography), or 3) with positive plasma Alzheimer's biomarkers Cognitively Healthy Seniors: Age: 60 to 85 years Age and sex matched with the Patients group "Cognitively healthy" status defined by a score of ≥ 26 on the MMSE (Mini-Mental State Examination), a score of ≥ 16 on the BREF (Batterie Rapide d'Efficience Frontale), and a score of ≥ 8 on the 5-word test Young Adults: Age: 18 to 35 years Sex matched with the Patients group "Cognitively healthy" status defined by a score of ≥ 26 on the MMSE (Mini-Mental State Examination), a score of ≥ 16 on the BREF (Batterie Rapide d'Efficience Frontale), and a score of ≥ 8 on the 5-word test

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Conditions

The condition(s) this trial relates to.

Alzheimer disease

As listed by the trial registrant

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

Aging Alzheimer disease

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Maladies du Sommeil

    RECRUITING

    Paris, 75013, France

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