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Alzheimer's sleep study seeks clues in daily rhythms

NCT ID NCT00831298

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

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at sleep disturbances in people with Alzheimer's disease. Researchers tracked sleep diaries, activity levels, and behavior in 70 participants to understand how disrupted sleep relates to daily cycles and daytime alertness. The goal was to learn more about the link between sleep problems and Alzheimer's, not to test a new treatment.

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 successful, this research could help doctors better understand and manage sleep problems in Alzheimer's disease.
What could go wrong
This is an observational study, not a treatment trial. It may not lead directly to new therapies, and results may not apply to all patients.

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

70 people

The number who actually took part.

Start date

Jul 2010

Finished

Nov 2011

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 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: * alzheimer disease * MMSE \> 20 * over 65 years old Exclusion Criteria: * new psychotropic drug treatment * patient unable to do neuropsychologic tests

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Conditions

The condition(s) this trial relates to.

Alzheimer disease Lethargy Memory Disorders Parasomnias

As listed by the trial registrant

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

Alzheimer disease

Contacts and locations

Locations

  • Centre Mémoire de Ressources et de Recherche, CHU de Nice

    Nice, 06000, France

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