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AI could take the guesswork out of exercise stress tests

NCT ID NCT07534384

Knowledge-focused Sponsor: KU Leuven 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study will test a computer algorithm that automatically interprets cardiopulmonary exercise tests (CPETs), which measure how well the heart and lungs work during exercise. Researchers will compare the algorithm's reports to those of expert doctors to see if they agree. The study involves 600 patients and experts from multiple centers, aiming to improve consistency and confidence in test results.

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 lead to faster, more consistent interpretation of exercise tests, helping doctors diagnose heart and lung issues more reliably.
What could go wrong
This is an early-stage observational study, not a treatment trial. The algorithm may not improve agreement among experts or may not work well in all clinics.

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.

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Nov 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 referred for a CPET in one of the participating centers

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 referred for a cardiopulmonary exercise test (CPET): Inclusion Criteria: * Voluntary written informed consent of the participant or their legally authorized representative has been obtained prior to any screening procedures * At least 18 years of age at the time of signing the Informed Consent Form * Patients referred for a CPET during their standard clinical care Exclusion Criteria: \- If the participant has a disorder making it unable to perform a CPET, they must not proceed to be enrolled in the study and will be documented as a screen failure via applicable log forms in the Investigator Site File.

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As listed by the trial registrant

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

Cardiopulmonary exercise test

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

  • AZORG

    Aalst, 9300, Belgium

  • UZ Leuven

    Leuven, 3000, Belgium

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