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Could a bedside scanner predict coma recovery?

NCT ID NCT07177755

Knowledge-focused Sponsor: University Hospital, Toulouse 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 · Updated 1 time

Summary

This study compares a standard high-field MRI with a portable low-field MRI to see if the portable version can detect brain damage in people in a coma after cardiac arrest. Researchers will scan 60 participants (30 coma patients and 30 healthy volunteers) multiple times over two weeks. The goal is to see if the low-field scanner can provide useful information at the bedside, avoiding the need to move critically ill patients.

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 enable bedside brain scans to predict recovery after cardiac arrest, avoiding risky patient transport.
What could go wrong
This is a small early-stage study with only 60 participants. The low-field MRI may not capture enough detail to be useful.

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 60 people

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

Expected to start

Sep 2025

An estimate. Start dates often move.

Expected to finish

Mar 2029

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

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 : COMA PATIENTS * Adult patients (male or female ≥ 18 years). * Coma, as indicated by a Glasgow Coma Scale (GCS) ≤ 8 (motor score ≤ 2) immediately after CA resuscitation and before sedation onset. * Written informed consent from patient's legal representative. * Affiliation to the French social security system HEALTHY VOLUNTEERS * Adult patients (male or female ≥ 18 years). * Written informed consent. * Affiliation to the French social security system Exclusion criteria : COMA PATIENTS * Brain death. * Coma explained by other cause than CA. * Pregnancy. * MRI contraindication: medical material not MRI compatible. * Hemodynamic instability or respiratory failure precluding patient's transport and MRI scanning. HEALTHY VOLUNTEERS * Pregnancy. * MRI contraindication: medical material not MRI compatible. * Volunteers who do not wish to be informed of an abnormality detected on MRI a posteriori

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Conditions

The condition(s) this trial relates to.

brain hypoxia - ischemia cardiac arrest Coma ocular motor apraxia, Cogan type

As listed by the trial registrant

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

Anoxia-ischemia, brain Anoxic coma Cardiac arrest (CA) COMA

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 Toulouse

    Toulouse, France

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