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AI could spare many heart patients from risky invasive tests

NCT ID NCT06648239

Diagnosis Sponsor: Hamilton Health Sciences Corporation 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 completed trial tested whether an artificial intelligence (AI) tool could help doctors decide which low-risk patients with suspected heart disease should get a safer, non-invasive CT scan instead of an invasive angiogram. The study involved 251 adults referred for non-urgent heart testing. The goal was to see if the AI-guided triage could reduce the number of unnecessary invasive procedures, which are costly and carry risks.

What this could mean

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

Active substance
Artificial intelligence screening tool and cardiac CT angiography
What this could lead to
If successful, this approach could reduce the number of unnecessary invasive heart procedures, making diagnosis safer and cheaper for low-risk patients.
What could go wrong
This was a small, completed trial, so results may not apply to all patients or settings. The AI tool may not always correctly identify who needs invasive 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.

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

251 people

The number who actually took part.

Started

Jan 2025

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 years and older

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.

Patients are eligible to participate if they: 1) are ≥18 years of age; 2) are referred for non-urgent (elective) outpatient ICA; 3) have an indication for ICA that includes 'Rule out CAD', 'Cardiomyopathy', or 'Stable CAD'; and 4) are able to provide informed consent in English. Patients fulfilling any of the following criteria will be ineligible to participate: 1) prior high-quality coronary computed tomographic angiography (CCTA) within the last 5 years; 2) atrial fibrillation; 3) known severe renal dysfunction (GFR \<35); 4) planned non-coronary cardiac surgery; 5) any prior obstructive CAD, acute coronary syndrome, percutaneous coronary intervention, or coronary artery bypass graft; 6) known severe coronary artery calcification (calcium score \>250); or have a body mass index (BMI) exceeding 40.

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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

Contacts and locations

Locations

  • Hamilton General Hospital

    Hamilton, Ontario, L8L 2X2, Canada

  • McMaster University Medical Centre

    Hamilton, Ontario, L8N 3Z5, Canada

  • St. Catharines Hospital

    St. Catharines, Ontario, L2S 0A9, Canada

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