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Fitbits and chest straps help researchers track heart Patients' activity

NCT ID NCT05901038

Knowledge-focused 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study aimed to make heart rate monitors more accurate for people with heart conditions. Researchers collected data from 138 participants, including cardiac patients and athletes, using Fitbit and Polar devices over 13 weeks. The goal was to remove false readings and develop a simple score to measure daily physical activity.

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

138 people

The number who actually took part.

Started

Feb 2023

Finished

Dec 2025

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

Groups are selected from different populations: patients participating in a cardiac rehabilitation programme at the UZA (group 1), sporters attending a sports cardiology consultation at Sport Medical Centre Nottebohm (group 2) or sporters attending a sports medical check-up at S.P.O.R.T.S. (i.e., a multidisciplinary centre of expertise within UZA, group 3).

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.

Inclusion Criteria: 1. Age ≥ 18 years, 2. Patients participating in the CR programme with a prior myocardial infarction without impairment of pump function, percutaneous coronary intervention (PCI), cardiac ablation or cardiac surgery, OR Sporters attending a sports cardiology consultation and following a 12-week training schedule at Sport Medical Centre Nottebohm, OR Sporters attending a sport medical check-up at S.P.O.R.T.S. who do not follow a 12-week training schedule, 3. Having a smartphone available, 4. Being capable of signing the informed consent. Exclusion Criteria: 1. Patients with severe heart failure (NYHA III-IV), 2. Not able to speak and read Dutch or English, 3. Cognitive impaired (e.g. severe dementia).

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Conditions

The condition(s) this trial relates to.

heart disorder Motor Activity

As listed by the trial registrant

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

Exercise Fitness tracker Heart rate

Contacts and locations

Locations

  • University Hospital Antwerp

    Edegem, Antwerp, 2650, Belgium

More trials for these conditions

Other studies related to the condition(s) this trial covers.