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Heart scans may reveal hidden stroke risk in unexpected patients

NCT ID NCT04769310

Knowledge-focused Sponsor: Tulane University Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 small pilot study explored whether advanced heart imaging can detect hidden strokes in people who have never had atrial fibrillation but are at high risk due to conditions like diabetes or heart failure. Researchers used brain MRIs to find silent, symptom-free strokes and linked them to heart abnormalities seen on imaging. The goal is to better predict who might benefit from blood thinners to prevent future strokes.

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

5 people

The number who actually took part.

Started

Apr 2021

Finished

Jan 2026

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 to 120 years

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: * Male or female patients * 18 Years and older * No history of atrial fibrillation * CHA2DS2VASC score ≥3 * History pf type II diabetes * History of congestive heart failure or a history of transient ischemic attack (TIA)/stroke without an otherwise defined stroke etiology such as large vessel or small vessel disease Exclusion Criteria: * History of atrial fibrillation * Patients who had a clinically symptomatic acute stroke within the last 30-days * Any health-related gadolinium/MRI contraindication (including previous allergic reaction to Gadolinium, pacemakers, defibrillators, other devices/implants contraindicated for MRI) * Estimated glomerular filtration rate (eGFR) cutoff in patients with Chronic kidney disease (CKD) where gadolinium cannot be used equals an eGFR \<30 ml/min * Weighing \> 300 lbs (as CMR image quality decreases due to increased body mass index) * Current pregnancy or breastfeeding * Cognitive impairment preventing the patient from giving an informed consent

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Conditions

The condition(s) this trial relates to.

atrial fibrillation brain infarction congestive heart failure intracranial embolism ischemic stroke myocardial infarction stroke disorder thrombotic disease Thrombotic Stroke transient ischemic attack type 2 diabetes mellitus vascular dementia

As listed by the trial registrant

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

Atrial fibrillation Stroke Stroke, cardiovascular Stroke, ischemic Strokes thrombotic Vascular cognitive impairment

Contacts and locations

Locations

  • Tulane University Medical Center

    New Orleans, Louisiana, 70112, United States

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