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Happiness training may boost brain health in early dementia

NCT ID NCT07289061

Symptom relief Sponsor: Aristotle University Of Thessaloniki 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether a 24-week online positive psychology program can improve thinking skills and brain function in older adults with very early memory decline (subjective cognitive decline or mild cognitive impairment). About 128 participants will be randomly assigned to the program or usual care. No medications are involved, and risks are minimal. If effective, this low-cost approach could be a helpful addition to standard care.

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 128 people

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

Started

Dec 2025

Expected to finish

Jul 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

Children (under 18), adults (18 to 64) and older adults (65 and over)

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 -Documented diagnosis of Subjective Cognitive Decline (SCD) or Mild Cognitive Impairment (MCI) according to clinical evaluation and site standard criteria. Exclusion Criteria * Diagnosis of dementia (major neurocognitive disorder) or other major neurocognitive disorder that is moderate or severe. * Major psychiatric disorder currently unstable or untreated (e.g., major depression with psychotic features, bipolar disorder, schizophrenia). * Neurological conditions that affect cognition. * Uncorrected hearing or vision problems that prevent participation in assessments or online sessions. * Concurrent participation in another interventional study targeting cognition or wellbeing during the study period.

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Conditions

The condition(s) this trial relates to.

Alzheimer disease Cognitive Dysfunction subjective cognitive decline

As listed by the trial registrant

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

Alzheimer dementia (AD) Mild cognitive impairment (MCI) Subjective cognitive decline (SCD)

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

  • Aristotle University of Thessaloniki

    RECRUITING

    Thessaloniki, 54124, Greece

More trials for these conditions

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