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Brain wave study seeks roots of tourette tics

NCT ID NCT03604510

Knowledge-focused Sponsor: University Hospital, Bordeaux 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at brain activity in the frontal cortex of 14 people with Tourette syndrome using a 24-hour portable EEG. Participants pressed a button each time they had a tic, so researchers could compare brain signals with and without tics. The goal was to identify which brain regions are involved in tic generation, which could help develop new treatments like cortical stimulation.

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 could point toward new brain areas to target with stimulation therapies for Tourette syndrome.
What could go wrong
This is a very small, early-stage observational study with only 14 participants. It is not testing a treatment, so it may not lead directly to any new 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

14 people

The number who actually took part.

Started

Feb 2018

Finished

Mar 2020

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

12 to 60 years

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: * Tourette's syndrome since at least 2 years * Lack of psychiatric comorbidity of axis 1 (depression) * Y-YSGT score \> 20 * Social insurance in accordance with the french law Exclusion Criteria: * Epilepsia * Patient with an implanted medical device * Severe mental or somatic disease * Risk of suicide, * Pregnant or breast feeding women * Patient under "curatelle" or "tutelle" * Patient hospitalized no social insurance

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Conditions

The condition(s) this trial relates to.

Tourette syndrome

As listed by the trial registrant

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

Tourette syndrome

Contacts and locations

Locations

  • CHU de Bordeaux

    Bordeaux, 33 076, France

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