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Head ultrasound may reveal hidden stroke causes

NCT ID NCT02762552

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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested a 4-hour head ultrasound (transcranial-holter) to detect tiny blood clots in people who recently had a stroke. The goal was to see if this test could help doctors find the exact cause of the stroke, which is important for choosing the right treatment to prevent another one. 244 patients took part, and the results were compared with standard tests.

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

244 people

The number who actually took part.

Started

Sep 2015

Finished

Aug 2018

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: * Ischemic stroke in the middle cerebral artery territory * Acute ischemic stroke within the 7 first days from the onset of the symptoms * Patient hospitalized in our stroke care unit * Man or woman older than 18 years * Patient affiliated to a social security system * Free Consent, informed writing signed by the participant or the person of confidence and the investigator (no later than the day of inclusion and before any examination required by research) Exclusion Criteria: * Transient ischemic stroke * Ischemic stroke in the vertebro-basilar or anterior cerebral artery territory. * Proximal middle cerebral artery occlusion leading to the impossibility of recording * Patient who could not express his consent * Patient under guardianship or judicial protection * Pregnant or breastfeeding woman * Emergency situation * Life expectancy under 6 months Exclusion criteria (after inclusion) : * Absent of bilateral Acoustic window * Analyzable Recording \<30min

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Conditions

The condition(s) this trial relates to.

ischemic stroke middle cerebral artery infarction Recurrence stroke disorder

As listed by the trial registrant

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

Stroke

Contacts and locations

Locations

  • CHU de Bordeaux

    Bordeaux, 33076, France

More trials for these conditions

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