Your phone might notice Alzheimer's decline before you do

NCT ID NCT07826975

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Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
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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 Results may not be published yet.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.
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Cancelled before anyone took part.

Expanded access (not trials)

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Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
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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

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Status unknown
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First seen Sep 18, 2026 · Last updated Sep 18, 2026

Summary

Researchers at Poitiers University Hospital are studying whether changes in how people with Alzheimer's use their smartphones track with changes in their ability to handle daily tasks. About 100 participants aged 60 and older will have their Android phone usage and battery data collected over 18 months. The team will compare that data with standard memory tests and a caregiver-rated independence questionnaire to see if phone habits can serve as an early warning sign of lost autonomy.

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 a link holds up, doctors could one day use everyday phone activity as an early signal that a person with Alzheimer's is losing independence, prompting support sooner.
What could go wrong
This is an observational study with 100 participants, so it can show a pattern but not prove cause. Phone data can be noisy, and results may not apply to people who use phones differently or not at all.

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 100 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Mar 2030

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

Patients receiving routine care at a memory resource and research center for Alzheimer's disease who own an Android smartphone.

Ages

60 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: * Age ≥ 60 years * Patient consulting on routine care at a memory resource and research center for Alzheimer's disease defined by cognitive memory complaints from the patient or their family and friends, evidence of impaired verbal episodic memory storage in FCSRT defined by a sum of FR values less than 17/48 and a sum of CR values less than 40/48 compared to the patient's age and socio-cultural level and no criteria on other neuropsychological tests, progressive decline over at least 6 months affecting independence, and if a brain MRI, a lumbar puncture, and/or an 18FDG PET scan were performed as part of the patient's routine care, the results must be consistent with a diagnosis of MA. * Patient with a smartphone for their exclusive use that is compatible with the installation of the IMASMART application on Android * No sensory impairment (vision or hearing impairment) that could compromise the use of a smartphone * Absence of major anxiety-depressive disorder defined by a HAD score \> 16 * Patient an caregiver not objecting to participating in the study Exclusion Criteria: * Inability to perform the Mini-Mental State Examination or score \< 17 * Other neurodegenerative disorders * Severe, unstable psychiatric disorders * Terminal phase of a severe illness * Other conditions that may compromise the use of a smartphone * Patients with an iPhone * MRI evidence of a lesion that may contribute to cognitive impairment (stroke, tumors, etc.) * Refusal to install the application * People residing in a residential care for senior or any other medical facility * Individuals benefiting from enhanced protection, namely individuals deprived of their liberty by judicial or administrative decision, adults under legal protection, and finally, patients in emergency situations.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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