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Smartwatch score aims to keep heart patients moving

NCT ID NCT07211282

Disease control Sponsor: University Hospital, Antwerp Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether a special activity score, calculated from heart rate data, can help people who have completed cardiac rehab stick to exercise guidelines. About 318 participants will wear a smartwatch for 4 months and do an exercise test at the end. Researchers will compare those who get feedback from the score with those who don't.

What this could mean

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

Active substance
Activity score (AAI) via smartwatch
What this could lead to
If it works, this could give doctors a simple tool to help heart patients stay active and improve fitness after rehab.
What could go wrong
This is a small, early-stage trial focused on monitoring, not a treatment. The activity score may not actually change behavior or improve health outcomes.

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

About 318 people

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

Started

Feb 2025

Expected to finish

Jan 2029

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.

Ages

18 years and older

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. Age ≥ 18 years, 2. Patients in the last phase of phase 2 CR, 3. Having a smartphone available, 4. Being capable of signing the informed consent. Exclusion Criteria: 1. Patients with high-risk criteria for safe exercise participation following a cardiac event, including: 1. Ejection fraction less than 30% 2. Decrease in systolic blood pressure of more than 15 mmHg with exercise 3. Serious arrhythmias at rest or exercise-induced 4. Exercise-induced ischemia indicated by angina more than 2 mm ST segment depression on the ECG 2. Patients with severe heart failure (NYHA III-IV), 3. Patients with implantable devices (e.g. pacemakers), 4. Patients diagnosed with permanent AF, 5. Patients who do not speak and read Dutch or English, 6. Patients who have cognitive impairment (e.g. severe dementia).

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Conditions

The condition(s) this trial relates to.

cardiovascular disorder Motor Activity

As listed by the trial registrant

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

Cardiac rehabilitation Cardiovascular disease prevention

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

  • Jessa Hospital Hasselt

    NOT_YET_RECRUITING

    Hasselt, Limburg, 3500, Belgium

  • University Hospital Antwerp

    RECRUITING

    Edegem, Antwerp, 2650, Belgium

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