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Can your phone predict memory decline? new study tracks stress and thinking in seniors

NCT ID NCT07485387

Knowledge-focused Sponsor: Korea University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 watches how daily emotional stress impacts memory and thinking in adults aged 60 and older living in Seoul, Korea. Participants use a smartphone app to report their feelings and do quick brain games, wear a smartwatch, and give blood samples. Researchers will check in after 6 months and 1 year to see how stress and social connections relate to cognitive changes.

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.

Participants

About 180 people

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

Started

Apr 2025

Expected to finish

Dec 2037

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.

Who is studied

This study targets community-dwelling older adults aged 60 and older in Seoul, Republic of Korea. Participants are recruited from the Seongbuk Senior Welfare Center and Gangbuk Municipal Senior Welfare Center. Seongbuk-gu and Gangbuk-gu are districts with higher proportions of older adults and elevated chronic disease rates compared to other areas in Seoul, making them regions of interest for aging research. The study population includes older adults living independently in the community who utilize local senior welfare center services. By recruiting from these districts, the study aims to generate evidence for developing effective dementia prevention strategies applicable to community-based settings in Korea. Participants must be Samsung Galaxy smartphone users with sufficient cognitive ability to engage with ecological momentary assessment (EMA) protocols. Exclusions: dementia diagnosis, severe sensory impairments, or health conditions preventing participation.

Ages

60 years and older

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: * Adults aged 60 or older residing in the Republic of Korea * Samsung Galaxy smartphone users capable of using smartphone applications * Sufficient cognitive ability to understand and follow research instructions (MMSE score of 21 or above) * For individuals who do not meet the cognitive criteria, those who understand the study procedures and provide informed consent along with their legal guardian Exclusion Criteria: * Diagnosis of dementia at baseline * Severe visual or hearing impairments that prevent participation in psychological assessments * Illiteracy that prevents participation in cognitive testing * Less than 80% compliance with the 2-day preliminary EMA protocol (one additional attempt allowed after re-training) * Current alcohol or substance abuse * Inability to ambulate or psychiatric conditions that prevent survey participation * Currently undergoing cancer treatment or received chemotherapy within the past 6 months

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Conditions

The condition(s) this trial relates to.

Alzheimer disease Chronic Pain chronic pain syndrome Cognitive Dysfunction dementia Depression major depressive disorder

As listed by the trial registrant

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

Chronic pain Dementia Alzheimer type Depression - major depressive disorder Mild cognitive impairment (MCI)

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

  • Korea University

    RECRUITING

    Seoul, Select One..., 02841, South Korea

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