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Zapping the brain to unlock secrets of aging

NCT ID NCT07168031

Knowledge-focused Sponsor: University of Bern 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study uses a safe, non-invasive technique called transcranial direct current stimulation (tDCS) to apply a very weak electrical current to the scalp of healthy adults. Researchers will compare how younger (20-40) and older (60-80) participants perform computer tasks and how their brain activity changes on MRI scans. The goal is to understand how age influences the brain's response to stimulation, which could guide future research into cognitive support.

What this could mean

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

Active substance
transcranial direct current stimulation (tDCS) - a mild electrical current applied to the scalp
What this could lead to
If successful, this study could help researchers understand how brain stimulation might be used in the future to support cognitive function in aging.
What could go wrong
This is a basic science study in healthy volunteers, not a treatment trial. The results may not lead to any direct medical application, and effects may vary between individuals.

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 196 people

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

Started

Aug 2025

Expected to finish

Aug 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

20 to 80 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.

Inclusion Criteria: * Healthy younger adults (ages 20-40) or healthy older adults (ages 60-80) * Normal or corrected-to-normal vision and hearing * Right-handed (for consistency in brain stimulation) * Able to give written informed consent and comply with study procedures Exclusion Criteria: * History of neurological or psychiatric disorders * Current use of medications that affect the central nervous system * Metal implants, pacemakers, or other contraindications for MRI or tDCS * History of seizures or epilepsy * Pregnancy * Participation in another brain stimulation study within the last 3 months * Any condition judged by investigators to interfere with safe participation

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As listed by the trial registrant

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

Healthy

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

  • University of Bern, Department of Old Age Psychiatry and Psychotherapy

    RECRUITING

    Bern, 3000, Switzerland

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