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Can a smartphone app get AFib patients moving?

NCT ID NCT06575348

Symptom relief Sponsor: University of Wisconsin, Madison 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 25, 2026 · Last updated Sep 25, 2026

Summary

Researchers at the University of Wisconsin, Madison are testing a mobile health app called YouControl-AFib in people with atrial fibrillation and a body mass index above 27. Participants use the app for three months, including a phone call with a health coach in the first month, while wearing a Fitbit to track steps and activity. The study measures how well the app works, how easy it is to use, and whether participants walk farther and report better quality of life. The goal is to gather early data and feedback to improve the app for a larger trial.

What this could mean

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

Active substance
YouControl-AFib mobile health app with health coaching
What this could lead to
If the app proves usable and helps people with atrial fibrillation move more, it could shape a larger trial and a tool that supports heart health at home.
What could go wrong
This is a small pilot with 51 participants and no control group, so any activity changes may not be due to the app. The app may need major changes before it can be tested more widely.

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

51 people

The number who actually took part.

Started

Oct 2024

Finished

Jul 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.

Ages

18 to 80 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: * Ability to understand and the willingness to sign a written informed consent document * Willing to comply with all study procedures and be available for the duration of the study * SmartPhone capable of pairing with a Fitbit Sense 2 and Fitbit App (Apple iOS 15 and higher or Android 10 or higher) * Paroxysmal or persistent atrial fibrillation verified by 12-lead electrocardiogram (ECG) or other clinical grade monitoring * body mass index (BMI) greater than 27 Exclusion Criteria: * History of permanent atrial fibrillation * Left ventricular ejection fraction (LVEF) less than 45 percent * Myocardial infarction, coronary artery bypass grafting, or valve surgery within the last 12 months * Moderate to severe valve disease * Inability to participate in a structured exercise program due to musculoskeletal disease * Already participating in a structured exercise program or achieving guideline directed physical activity * Planned surgery or procedure during the next three months that limit ability to engage in physical activity

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Conditions

The condition(s) this trial relates to.

atrial fibrillation Motor Activity

As listed by the trial registrant

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

Atrial fibrillation

Contacts and locations

Locations

  • UW School of Medicine and Public Health

    Madison, Wisconsin, 53792, United States

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