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Could a simple ultrasound replace brain CT scans for ICU patients?

NCT ID NCT07324421

Diagnosis Sponsor: Resolve Stroke 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 04, 2026 · Updated 1 time

Summary

This study is testing whether a new ultrasound device called SYLVER can measure blood flow in the brain as accurately as the standard CT scan. It involves 50 ICU patients with brain injuries or bleeding. If it works, doctors could monitor brain health at the bedside without moving patients to a CT scanner.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Ultrasound contrast agent (SonoVue®)
What this could lead to
If successful, this could provide a safer, bedside alternative to CT scans for monitoring brain blood flow in critically ill patients.
What could go wrong
This is a small, early-stage study with only 50 participants, so results may not apply broadly. The ultrasound may not match CT accuracy in all cases.

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 50 people

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

Started

Oct 2025

Expected to finish

Nov 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

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: * Patient ≥ 18 years old * Patient Informed Consent, or from his/her relative if the patient is not conscious and able to consent * Admission to ICU or CCU with indication to perform at least one CTP * Affiliated with or benefiting from a social security scheme * The subject's current clinical status, as assessed by medical history, physical examination, and/or relevant tests, indicates that they do not require immediate medical treatment or emergency care at the time of enrolment. Exclusion Criteria: * Guardianship, curatorship or any deprivation of liberty by judicial or administrative decision * Pregnant or breast-feeding women * Known contra-indication or hypersensitivity to SonoVue® (to sulfur hexafluoride microbubbles or to one of its excipients such as polyethylene glycol (PEG)) * Right-to-left shunts * Patients who have undergone craniectomy in the temporal region * Patients with open wounds or recent scars in the temporal region * Unstable hemodynamic or respiratory state contraindicating transportation to CTP scanner

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Conditions

The condition(s) this trial relates to.

brain ischemia cerebral infarction subarachnoid hemorrhage vascular brain injury

As listed by the trial registrant

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

Brain injuries, vascular Cerebral ischemia Neuro icu Neurological complication Sub arachnoid hemorrhage

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

  • Centre Hospitalo-Universitaire Gui de Chauliac

    RECRUITING

    Montpellier, Herault, 34000, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.