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Smartwatch may spot heart failure early

NCT ID NCT06335264

Diagnosis Sponsor: McGill University Health Centre/Research Institute of the McGill University Health Centre 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 30, 2026 · Updated 3 times

Summary

This study tested whether a special smartwatch (Watch HOP) can help detect heart failure by measuring heart rate, movement, skin temperature, and voice patterns. Researchers compared 56 people with and without heart failure during physical tasks and daily life. The goal is to find patterns that could lead to easier, earlier diagnosis.

What this could mean

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

Active substance
Watch HOP smartwatch
What this could lead to
If successful, this could lead to a simple, non-invasive way to screen for heart failure using a smartwatch.
What could go wrong
This is a small, completed study with only 56 participants, so results may not apply to everyone. The smartwatch is not yet proven as a reliable diagnostic tool.

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

56 people

The number who actually took part.

Started

Jan 2024

Finished

Aug 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

1. Case group will be enrolled from the cardiology clinics at the Royal Victoria Hospital (located at MUHC). Patients will be screened for on the clinic lists on a daily basis. The attending physician will be asked if the patient is suitable for enrollment. The participant will be approached, and the informed consent will be taken before enrollment. 2. Control group will be recruited from both the cardiology clinics (patients without heart failure) and Cortois Cardiovascular Signature Program, also at the Royal Victoria Hospital. Patients will be screened for on the clinic lists on a daily basis. The attending physician will be asked if the patient is suitable for enrollment. The participant will be approached, and the informed consent will be taken before enrollment.

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. Able to follow up with the study protocol schedule 2. Life expectancy \> 1 year 3. Case group only 1. Clinical signs and/or symptoms of heart failure caused by a structural and/or functional cardiac abnormality, as defined by Bozkurt et al. \[2021\], diagnosed at the cardiovascular clinic 2. NT-proBNP levels \> 125 pg/L or objective evidence of cardiogenic pulmonary or systemic congestion 3. One of the following; i. For HFpEF, LVEF ≥ 50% ii. For HFmrEF, LVEF 41-49% iii. For HFrEF, LVEF ≤ 40% 4. Control group only 1. Absence of known clinical heart failure history. 2. Absence of criteria above in the case group. Exclusion Criteria: 1. Any person who does not meet the above criteria or who refuses to participate 2. Undergoing chemotherapy or dialysis 3. In addition, the following list of criteria are specific to accurate wrist wearable measurements: 1. Skin burns or rashes on the measurement locations (wrist for wearable, finger for oximeter, chest for Polar ECG) 2. Patients with tremors 3. Recent use of dermatological creams, ointments, or lotions at the recording area

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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

Contacts and locations

Locations

  • McGill University Health Centre

    Montreal, Quebec, H4A 3J1, Canada

More trials for these conditions

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