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Ambulance EEG could cut stroke treatment delays by an hour

NCT ID NCT06871969

Diagnosis Sponsor: Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study tests a portable EEG device called StrokePointer that ambulance crews can use to detect severe strokes caused by large vessel blockages. Currently, over half of these patients are taken to hospitals that cannot perform the needed clot-removal procedure, causing an average one-hour delay. The device aims to help paramedics identify these patients and take them directly to a specialized stroke center. The trial will enroll 275 adults with suspected stroke and measure how often the device produces usable brain-wave data and how accurately it detects large vessel occlusions.

What this could mean

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

Active substance
StrokePointer portable EEG device
What this could lead to
If successful, this device could help paramedics quickly identify patients with severe strokes and take them directly to the right hospital, saving critical time.
What could go wrong
This is an early validation study with 275 participants. Previous EEG devices had poor signal quality in 32% of patients, and this device may face similar issues in real-world ambulance settings.

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 275 people

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

Started

Jul 2025

Expected to finish

Dec 2026

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: * Suspected acute stroke as per judgement of the ambulance personnel. * Age 18 years or older. * Onset of symptoms (or last seen well) \<24 hours. * Written informed consent by patient or legal representative (deferred). Exclusion Criteria: \- Injuries or infections of the scalp in the area of the electrode headset placement.

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Conditions

The condition(s) this trial relates to.

brain disorder cardiovascular disorder central nervous system disorder cerebrovascular disorder ischemic stroke nervous system disorder stroke disorder vascular disorder

As listed by the trial registrant

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

Brain diseases Cardiovascular diseases Central nervous system diseases Cerebrovascular disease Ischemic stroke Nervous system diseases Stroke Vascular diseases

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

  • Amsterdam University Medical Centers, location AMC

    RECRUITING

    Amsterdam, North Holland, 1105AZ, Netherlands

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