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Smartwatches may help heart patients avoid hospital readmission

NCT ID NCT07687862

Disease control Sponsor: Beijing Anzhen Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 07, 2026 · Last updated Jul 10, 2026 · Updated 3 times

Summary

This study tests whether wearable devices like smartwatches and ECG straps can help doctors remotely manage patients with both heart failure and atrial fibrillation. Participants use the devices to send real-time health data to their care team, who adjust medications and treatments accordingly. The goal is to see if this approach reduces the risk of death or repeat hospital stays compared to standard care.

What this could mean

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

Active substance
wearable device-based remote management (smartwatch/ECG strap)
What this could lead to
If successful, this approach could provide a new way to monitor and treat heart failure and atrial fibrillation at home, potentially reducing hospital visits and improving survival.
What could go wrong
This is a single trial; results may not apply to all patients. Wearable data may not always be accurate, and remote management might not replace in-person care for 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.

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 818 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Dec 2028

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. Subjects diagnosed with acute decompensated heart failure (ADHF) : 1)Heart failure with reduced ejection fraction (HFrEF), defined as left ventricular ejection fraction (LVEF) ≤ 40%; 2)New York Heart Association (NYHA) functional class II-IV; 3)NT-proBNP \> 2500 pg/mL or BNP \> 600 pg/mL 3. Atrial fibrillation (AF) diagnosed during hospitalization (documented AF episode lasting \> 30 seconds on electrocardiogram \[ECG\] within the past 12 months) Exclusion Criteria: 1. Intolerance to heart failure pharmacotherapy; 2. Severe anemia or untreated thyroid disease; 3. ST-segment elevation myocardial infarction within 3 months; 4. Known complex congenital heart disease; infiltrative cardiomyopathy (such as cardiac amyloidosis, sarcoidosis, lymphoma, or endomyocardial fibrosis); myocarditis; constrictive pericarditis; cardiac tamponade; hypertrophic cardiomyopathy; stress cardiomyopathy; or uncorrected primary valvular heart disease requiring surgical interventions; 5. Prior major cardiac surgery or mechanical circulatory support, or planned within 6 months, including coronary artery bypass grafting, cardiac valve repair or replacement, ventricular assist device or mechanical circulatory support device implantation, and heart transplantation; 6. Existing pacemaker or planned pacemaker implantation; 7. Contraindications to wearing a smartwatch (such as limb disability or known allergy to rubber/metal materials); 8. Inability to access the Internet or lack of proficiency in operating smart devices.

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Conditions

The condition(s) this trial relates to.

atrial fibrillation heart failure systolic heart failure

As listed by the trial registrant

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

Atrial fibrillation (AF) Heart failure and reduced ejection fraction

How to take part

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  1. 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 ↗

  2. 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.

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