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Eye-tracking study reveals how Alzheimer's disrupts everyday searching

NCT ID NCT02941289

Knowledge-focused Sponsor: Centre Hospitalier Universitaire de Nice Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study looked at how people with Alzheimer's disease search for objects in realistic scenes and real-life settings. Researchers tracked eye movements in 48 participants to understand which attention and memory processes are impaired. The goal was to link visual exploration problems with difficulties in daily tasks like using objects.

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

48 people

The number who actually took part.

Started

Apr 2017

Finished

Apr 2018

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

65 to 75 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: Control participants * Male and female * Age between 65 and 75 years old * MMSE score equal or \> 27 * Normal visual acuity (with or without correction to normality) * Subjects with a score of 0 on " tremors " and " rigidity " items of UPDRS III scale * Subjects without major depression criteria according to DSM IV-R * No apathy according to diagnostic criteria of apathy * Signed informed consent Inclusion Criteria: Alzheimer's disease patients * Male and female * Age between 65 and 75 years old * Probable diagnosis of Alzheimer's disease with a mild impairment (MMSE 20-26) according to DSM IV diagnosis criteria * Normal visual acuity (with or without correction to normality) * Subjects with a zero score on " tremors " and " rigidity " items of UPDRS III scale * Signed informed consent Exclusion Criteria: * Controls with neurological and/or psychiatric pathologies * AD patients with neurological and/or psychiatric pathologies unrelated to AD * AD patients with vascular dementia suspicion in addition to the probable diagnosis of AD * AD patients with MMSE score \< 20 * Individuals with abnormal visual acuity (i.e., glaucoma, cataract sufficiently severe that limited vision…) * Individuals with motor disorders, Parkinsonism… * Receiving drug treatments that could alter cognitive functions

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Conditions

The condition(s) this trial relates to.

Alzheimer disease

As listed by the trial registrant

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

Alzheimer's disease

Contacts and locations

Locations

  • CHU de Nice

    Nice, France

More trials for these conditions

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