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Which scan first? new study tests MRI vs CT for stroke diagnosis

NCT ID NCT06270927

Knowledge-focused Sponsor: University of Texas at Austin 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether MRI or CT should be the first scan for people with suspected acute ischemic stroke. Researchers will track how often doctors follow the assigned scan type and compare outcomes. The goal is to see if a larger study comparing these imaging methods is possible.

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 help determine which imaging method (MRI or CT) is more effective for diagnosing acute stroke quickly, potentially improving treatment decisions.
What could go wrong
This is an early feasibility study, not a large-scale trial. Results may not apply to all hospitals or patients, and the study does not 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.

Participants

About 600 people

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

Started

Oct 2023

Expected to finish

May 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.

Who is studied

Patients presenting as Code Stroke to Emergency Department at one of four network stroke centers

Ages

18 to 120 years

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: * Age ≥ 18 years * Time last known well to presentation ≤ 24 hours * Code-stroke (suspected treatable ischemic stroke) called prior to or upon arrival to Emergency Department * Presenting to Emergency Department for first time during study period Exclusion Criteria: * Transfer patients * Contraindication for brain perfusion scan * Prior inclusion in study

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Conditions

The condition(s) this trial relates to.

brain ischemia ischemic stroke stroke disorder

As listed by the trial registrant

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

Brain ischemia

Contacts and locations

Locations

  • Ascension Seton

    Austin, Texas, 78712, United States

More trials for these conditions

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