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Can your smartwatch help your heart doctor?

NCT ID NCT06595615

Knowledge-focused Sponsor: Abbott Medical Devices 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 enrolls 80 people with implanted heart devices to see if collecting extra health data from wearables and a phone app can improve care. Participants must have had a heart failure event in the past year. The goal is simply to gather data, not to test a new treatment.

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 show that wearable data helps doctors better monitor heart patients and predict problems.
What could go wrong
This is a small feasibility study, not testing a treatment. It may not lead to any direct health improvements.

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 80 people

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

Started

Apr 2025

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

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 indicated for cardiac implantable medical devices

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: * Patients are willing to be compliant with daily measurements required 18 years of age or older * Patients who have been implanted with ABT CRT-D devices connected to Merlin.net * Patients who had at least one HF clinical event during past 12 calendar months * Must provide written informed consent prior to the commencement of this clinical feasibility study * Patients are willing to be compliant with daily measurements required Exclusion Criteria: * Pregnant and/or lactating mothers will be excluded from the study or have a plan to be pregnant in the next 12 months * Patients with a life expectancy less than the duration of the study, as per clinician's discretion. * Patients who will not be able to complete the daily survey questions due to inability to read

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Conditions

The condition(s) this trial relates to.

heart disorder heart failure

As listed by the trial registrant

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

Cardiac disease

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Heart Center Research

    Huntsville, Alabama, 35801, United States

More trials for these conditions

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