Can a smart patch outsmart hidden heart risks after stroke?
NCT ID NCT04624646
First seen Jun 27, 2026 ยท Last updated Jun 27, 2026
Summary
This study looks at better ways to find hidden atrial fibrillation (an irregular heartbeat) in people who have had a stroke. About 337 participants will use either a wearable patch for 72 hours or a handheld device three times a day to monitor their heart rhythm. The goal is to see which method catches more cases of atrial fibrillation, so doctors can prescribe blood thinners to prevent another stroke.
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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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337 people
The number who actually took part.
- Started
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Nov 2020
- Expected to finish
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Nov 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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20 to 80 years
- 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.
Show the full entry requirements Hide 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: * Newly diagnosed brain infarction * No history and diagnosis of atrial fibrillation at the time of admission * Rejected implantable loop recorder * Informed consent Exclusion Criteria: * Cannot use KardiaMobile system alone or with the help of others
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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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Daegu Catholic University Medical Center
Daegu, South Korea
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Ewha Womans University Mokdong Hospital
Yangcheon, Seoul, 07985, South Korea
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Ewha Womans University Seoul Hospital
Gangseo, Seoul, 07985, South Korea
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Gachon University Gil Hospital
Incheon, 21565, South Korea
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Hanyang University Seoul Hospital
Seongdong, Seoul, 04763, South Korea
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Korea University Guro Hospital
Seoul, 08308, South Korea
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Kyung Hee University Hospital
Seoul, 02447, South Korea
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Yonsei University Health System, Severance Hospital
Seoul, 06273, South Korea
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Yonsei University Health System, Yongin Severance Hospital
Yongin, Gyeonggi-do, 17046, South Korea
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- High-resolution Contrast-Enhanced MRI of atrial fibrillation patients prior to FIRM ablation
- Safety and preliminary efficacy of NXL-001 in patients with ischemic stroke
- Apple watch vs. medical monitor: which better detects hidden heart rhythm problems?
- Can a new ultrasound catheter give doctors a better view inside the heart?
- Virtual reality rehab aims to bring stroke therapy home
- Blood clot markers may forecast stroke outcomes