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Apple watch could spot silent heart condition in High-Risk patients
NCT ID NCT05923359
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether an Apple Watch, worn over a long period, can catch early signs of atrial fibrillation (a type of irregular heartbeat) in people who are at high risk but haven't been diagnosed yet. About 2,000 participants who had a previous ECG and a high AI risk score will wear the watch for monitoring. The goal is to see if the watch helps find AFib sooner than standard care.
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
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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
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About 2,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2024
- Expected to finish
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Sep 2026
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Had a 10-second 12-lead ECG done at Mayo Clinic * Have a high AI-ECG risk score indicating a high likelihood of previously unrecognized AF * Men with CHA2DS2-VASc2 ≥2 or women with CHA2DS2-VASc ≥ 3 Exclusion Criteria: * Diagnosed atrial fibrillation * Diagnosed dementia * Diagnosed end-stage kidney disease * History of intracranial bleeding * Have an implantable cardiac monitoring device, including a pacemaker, a defibrillator, or implanted loop recorder * Missing date of birth * Residence outside of the U.S. or missing address information
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Mayo Clinic
Rochester, Minnesota, 55905, United States
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Other studies related to the condition(s) this trial covers.
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