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New tool could predict stroke risk in heart attack survivors

NCT ID NCT07171892

Knowledge-focused Sponsor: First Affiliated Hospital of Ningbo University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study aims to create a risk prediction tool for ischemic stroke in people who have had a heart attack but do not have atrial fibrillation. Researchers will analyze the medical records of 4,000 past patients to see if common hospital data can accurately predict stroke risk during the hospital stay and up to one year later. No new participants are being recruited, and all personal information will be removed to protect privacy.

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 give doctors a simple way to identify heart attack survivors who are at higher risk of stroke, so they can take steps to prevent it.
What could go wrong
This is an early, observational study using old records. The tool may not be accurate enough for real-world use, and it won't be ready for patient care without further testing.

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 4,000 people

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

Expected to start

Oct 2025

An estimate. Start dates often move.

Expected to finish

Nov 2025

An estimate. End dates often move.

Lead sponsor

A research network

The lead sponsor is a research network or cooperative group.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Previously diagnosed with acute myocardial infarction, with no history of atrial fibrillation. Relevant investigations demonstrated no evidence of atrial fibrillation

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * myocardial infarction without atrial fibrillation Exclusion Criteria: * Thrombophilia * Paradoxical Embolism through a Patent Foramen Ovale (PFO) * Iatrogenic embolism * Coronary slow-flow phenomenon * Coronary vasospasm * Dissection,

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Conditions

The condition(s) this trial relates to.

acute myocardial infarction myocardial infarction

As listed by the trial registrant

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

Myocardial infarction

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

  • The First Affiliated Hospital of Ningbo University

    Ningbo, Zhejiang, 315010, China

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