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Heart attack prediction breakthrough? new AI reads ECG to spot artery blockages

NCT ID NCT07375810

Diagnosis Sponsor: Heart Input Output Inc Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study will test a computer algorithm called ECGio that analyzes electrocardiograms (ECGs) to see if it can accurately detect significant coronary artery disease (blockages in heart arteries). Researchers will compare ECGio's results to standard imaging tests like angiograms and CT scans in about 978 adults suspected of having heart disease. If successful, ECGio could offer a faster, non-invasive way to diagnose artery blockages.

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 978 people

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

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Sep 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Who is studied

The study population will be made up of all-comers to Coronary Computed Tomography Angiography from each site taking up to the first 250, consecutive patients recruited for the analysis.

Ages

18 to 89 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: 1. Patients 18 years of age or older at time of data collection. 2. Patients with medical records stored in a digitized format. 3. Patients under suspicion of coronary artery disease (both suspicion of significant coronary artery disease as well as to rule out significant CAD) who present to the site with an electrocardiogram recorded up to 30 days prior to Coronary Computed Tomography Angiography. Exclusion Criteria: 1. Patients with acute coronary syndrome. 2. Patients who previously underwent coronary artery bypass grafting. 3. Patients whose electrocardiogram tracing has extreme noise or artifact to the extent that it would be recommended to redo the tracing. 4. Patients with prior percutaneous coronary intervention resulting in stenting. 5. Unanalyzable invasive coronary angiogram. 6. Unanalyzable Coronary Computed Tomography Angiography. 7. Unanalyzable electrocardiogram signal. 8. Incomplete invasive coronary angiogram (e.g., only the right coronary artery was injected and visualized). 9. Patient core lab analyzed Coronary Computed Tomography Angiography showed ≥ 50% blockage in any vessel but patient was not referred to invasive coronary angiogram.

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Conditions

The condition(s) this trial relates to.

coronary artery disorder

As listed by the trial registrant

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

Coronary artery disease (CAD)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. 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

  • Cena Research Institute

    Houston, Texas, 77055, United States

  • Medstar Washington Hospital Center

    Washington D.C., District of Columbia, 20010, United States

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