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Brain scan study seeks root cause of restless legs

NCT ID NCT07001891

Knowledge-focused Sponsor: University Hospital, Bordeaux 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study looks at how the brain processes internal body signals in people with Restless Legs Syndrome (RLS). Researchers will use MRI scans and daily smartphone surveys to track brain activity and symptom changes over two weeks. The goal is to understand why the urge to move occurs, which could lead to better treatments in the future.

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 study could clarify how the brain misinterprets internal body signals in RLS, pointing toward new treatment targets.
What could go wrong
This is a small, early observational study (30 people) that measures brain activity, not a treatment trial. It may not lead to any direct therapy.

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 30 people

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

Started

Sep 2025

Expected to finish

Oct 2026

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

18 to 70 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: * Person aged from 18 to 70 years * Only for the patients : ny patient with a diagnosis of idiopathic RLS based on medical history and the presence of the 5 RLS diagnostic criteria * Normal clinical examination * Person affiliated or benefiting from a social security scheme * Free, informed and written consent signed by the participant and the investigator (no later than the day of inclusion and prior to any review required by the research). Exclusion Criteria: * Any significant psychiatric illness or mood disorder * History or presence of chronic pain other than that associated with RLS, history of epilepsy or serious head injury, history of peripheral neuropathy, diabetes * Clinically significant sleep apnea, narcolepsy, or any secondary causes of RLS (e.g. chronic renal failure/hemodialysis, pregnancy) * Other active clinically significant illness, including unstable cardiovascular, or neoplasic pathology which could interfere with the study conduct or interfere with study assessments or compromise the study participation * Contra-indication to MRI (pacemakers, aneurysm clips, artificial heart valves, ear implants, metal fragments or foreign objects in the eyes, skin or body, claustrophobia or refusing MRI) * Pregnant or breastfeeding woman * Persons referred to in articles L.1121-5 to L.1121-8 (persons deprived of liberty by judicial or administrative decision, minors, adults subject to a legal protection measure or unable to express their consent).

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Conditions

The condition(s) this trial relates to.

restless legs syndrome

As listed by the trial registrant

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

Restless legs syndrome

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

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Contacts and locations

Locations

  • CHU de Bordeaux - Neurophysiologie Clinique de l'Enfant et de l'Adulte

    RECRUITING

    Bordeaux, France

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