Massive study seeks to unlock secrets of sudden cardiac arrest
NCT ID NCT03700203
First seen Jun 27, 2026 · Last updated Aug 06, 2026 · Updated 2 times
Summary
This study is tracking over 5,000 adults who had a cardiac arrest outside the hospital to learn what causes it and who is at risk. Researchers will look at health habits, chronic diseases, and develop a prediction model. The goal is to find new ways to prevent these life-threatening events.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 5,340 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2017
- Expected to finish
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Mar 2027
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.
Who is studied
* Cases will be consecutive adult patients with EMS-treated OHCA and transport to the 14 emergency departments of participating hospitals. * Matched community-based controls (2:1 matching) will be selected from two health screening centers. Controls are those who visit the participating health screening centers for their health screening program.
- Ages
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19 to 79 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * 19 to 79 years old * Out-of-hospital-cardiac arrest providing resuscitation at the site and visiting the emergency department of the participating hospital or transporting from another hospital emergency room (EMS-treated OHCA) * The cardiac arrest event must not have been predicted for 24 hours before the incident Exclusion Criteria: * People who do not consent to personal information and blood supply for research * Trauma, submersion, poisoning, hanging, suffocation, or other causes of external causes directly contribute to the cardiac arrest * Patients with a terminal condition known to have no further treatment plans due to malignancy, neurological disease, respiratory disease, rheumatic disease, hematologic disease, renal disease or infectious disease. The terminal condition had to be checked by a doctor or recorded in medical records. * "Do not have a resuscitation" card or record issued by a doctor. * Hospice setting at the time of acute cardiac arrest for terminal illness or other reasons. * pregnant patient * With a family cannot provide information about patient * Without a family * Patients who were transported after admission at the other hospital * Foreign patients
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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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Seoul National University Hospital
Seoul, 110-744, South Korea
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Heart-Lung machine at the scene: could it save more cardiac arrest victims?