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Smartwatches could help predict heart failure risks

NCT ID NCT07650669

Knowledge-focused Sponsor: The Cleveland Clinic 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 collects data from wearable devices like Fitbit and Apple Watch to learn about daily habits and health in people with or at risk of heart failure. Researchers will combine this data with medical records to find patterns that might predict health problems. The goal is to better understand how lifestyle affects disease and to improve early detection.

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 better ways to predict heart failure complications and other health risks using everyday wearable devices.
What could go wrong
This is an observational registry study, not a treatment trial. It may not find clear patterns, and results may not apply to everyone.

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 500 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Jun 2040

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

This prospective, observational registry will enroll adult participants, aged 18 to 85 years, who have been diagnosed with heart failure or are identified as being at risk of developing heart failure. The study aims to enroll an indefinite number of participants at Cleveland Clinic.

Ages

18 to 85 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: * Participants must be between 18 and 85 years of age. * Participants must have a diagnosis of heart failure or be identified as at risk of developing heart failure. * Participants must either own or be willing to acquire a compatible personal consumer-grade wearable device (such as Fitbit and Apple Watch) and must enroll via the HeartBit app. Exclusion Criteria: * Individuals presenting with cognitive impairments or mental incapacity that would impede their understanding of, or cooperation with, the study protocol.

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Conditions

The condition(s) this trial relates to.

heart failure

As listed by the trial registrant

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

Heart failure

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. 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

  • Cleveland Clinic

    RECRUITING

    Cleveland, Ohio, 44195, United States

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