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Can brain wave tests spot early dementia risk?

NCT ID NCT07068620

Knowledge-focused Sponsor: University Hospital, Bordeaux 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at people with cerebral small vessel disease, a common condition in older adults that can lead to stroke and dementia. Researchers will measure brain activity using EEG and test whether home-based cognitive training or mild brain stimulation can improve thinking skills. The goal is to find better ways to detect and manage early cognitive problems.

What this could mean

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

Active substance
home-based cognitive training and transcranial alternating current stimulation (tACS)
What this could lead to
If successful, this could identify new brain-wave markers to detect cognitive decline earlier and point toward personalized training or stimulation strategies.
What could go wrong
This is a small, early-stage observational study (80 participants) focused on biomarkers, not a treatment trial. The cognitive training and stimulation are exploratory, so real-world benefits remain uncertain.

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 80 people

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

Started

Aug 2025

Expected to finish

Mar 2028

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 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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.

Inclusion Criteria: * Patients included or previously included in the SHIVA cohort * Basic computer skills (ability to open a browser, use a mouse and keyboard) * Access to a personal computer with an internet connection * Independent in Activities of Daily Living (ADL) with a score ≥ 5/6, and in Instrumental Activities of Daily Living (IADL) with a score ≥ 4/8 * Informed and written consent signed by the participant and the investigating physician for this study Exclusion Criteria: * Motor impairments preventing the use of a keyboard and mouse (e.g., motor issues related to severe hand osteoarthritis) * Depressive symptoms indicated by a score of 2 to 4 on the mini Geriatric Depression Scale (mini GDS), which includes 4 items * Age-related macular degeneration (AMD) * Untreated glaucoma * Untreated psychiatric conditions that interfere with cognitive assessments * Diagnosed attention deficit disorder with or without hyperactivity or patients who could not complete all cognitive tests required in the SHIVA cohort * Systemic diseases that cause cognitive changes, such as obesity and metabolic disorders * History of epilepsy or seizures * Scalp sensitivity or skin lesions (dermatitis, wounds, etc.) Contraindications for the use of electrical stimulation: * Surgical clips, metal sutures, staples, stents * Osteosynthesis material in the head or neck * Pacemaker * Implanted hearing aid * Ocular foreign bodies, shrapnel, bullets * Metalworker * Pacemaker or neurostimulator * Heart valve or endovascular material * Ventricular shunt valve * Recent exposure (\< 6 months) to brain stimulation (tDCS, TMS, etc.) * Ongoing participation in a clinical trial or cognitive training program

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Conditions

The condition(s) this trial relates to.

Cerebral Small Vessel Diseases Cognitive Dysfunction dementia stroke disorder subjective cognitive decline

As listed by the trial registrant

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

Cerebral small vessel disease Cognitive complaint Stroke

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

  • CHU de Bordeaux, Hôpital Pellegrin, Unité Neurovasculaire

    RECRUITING

    Bordeaux, 33000, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.