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Tiny study peers inside brain after AVM surgery

NCT ID NCT07569887

Knowledge-focused Sponsor: University Hospital, Montpellier 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jul 08, 2026 · Updated 2 times

Summary

This study will follow 10 adults with unruptured brain arteriovenous malformations (AVMs) who are scheduled for surgery. Researchers will use special brain scans to measure blood flow and energy use in different brain regions before and six months after the operation. The goal is to understand how the brain changes after AVM removal, not to test a new treatment.

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 10 people

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

Started

Jun 2026

Expected to finish

Dec 2028

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 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: * Adults aged 18 and older * Admitted for an unruptured arteriovenous malformation with a decision to proceed with surgery Exclusion Criteria: * Patients who refuse surgical treatment for arteriovenous malformation * Contraindications to 18F-FDG PET (uncontrolled diabete) * Patients' inability to lie still for 40 minutes * Patients with a confirmed diagnosis of neurodegenerative or psychiatric disorders * Pregnant or breastfeeding women (Article L.1121-5 of the French Public Health Code) * Persons deprived of their liberty by judicial or administrative decision (Article L.1121-6 of the French Public Health Code) * Persons who are subject to legal protection measures or who are unable to express their consent (guardianship, curatorship, judicial protection; Article L.1121-8 of the French Public Health Code) * Not affiliated with a social security scheme or beneficiary of such a scheme (Article L.1121-8-1 of the French Public Health Code) * Persons participating in another study that includes an ongoing exclusion period (Article L.1121-12 of the French Public Health Code) * Failure to obtain written informed consent

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Conditions

The condition(s) this trial relates to.

arteriovenous hemangioma/malformation arteriovenous malformations of the brain

As listed by the trial registrant

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

Unruptured brain arteriovenous malformation

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

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • CHU de Montpellier

    RECRUITING

    Montpellier, France, 34295, France