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Heart attack timing trial: quicker scans may save lives in heart failure patients

NCT ID NCT07002164

Disease control Sponsor: Chonnam National University Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This trial tests whether doing a coronary angiogram (a special X-ray of the heart arteries) within 2 hours of diagnosis is better than waiting until the patient's heart failure symptoms improve. The study includes 780 adults with a type of heart attack called NSTEMI who also have new or worsening heart failure. The goal is to see if immediate imaging reduces the chance of death, another heart attack, or heart failure hospitalization over the next year.

What this could mean

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

Active substance
Coronary angiography (a procedure to look at heart arteries using dye and X-rays)
What this could lead to
If it works, this could show that doing angiography within 2 hours reduces the risk of death, another heart attack, or heart failure hospitalization compared to waiting until the patient stabilizes.
What could go wrong
This is a single trial with 780 participants, so results may not apply to everyone. The study is open-label, meaning doctors and patients know which group they are in, which can bias results. There is also a risk that immediate angiography could cause complications in unstable patients.

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 780 people

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

Started

Jul 2025

Expected to finish

Apr 2032

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

19 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: * Age ≥19 years * Non-ST-segment elevation myocardial infarction * New-onset or worsening of dyspnea (New York Heart Association class ≥2) * Pulmonary congestion * Patient's or guardian's consent after understanding the study Exclusion Criteria: * Cardiogenic shock at initial presentation * ST-segment elevation myocardial infarction * ST-segment elevation ≥0.1 mV in at least 2 contiguous leads, or * New onset left bundle branch block * Posterior wall myocardial infarction * Refractory angina * Life threatening ventricular arrhythmias * Life expectancy \<1 year * Apparently non-ischemic cause of HF * Pregnancy and lactation * History of coronary artery bypass grafting (CABG), or planned CABG * Patient's refusal to participate in study

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Conditions

The condition(s) this trial relates to.

acute myocardial infarction congestive heart failure heart failure myocardial infarction

As listed by the trial registrant

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

Heart failure Myocardial infarction (MI)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    19 sites. The list below names each one and where it is.

  2. 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 ↗

  3. 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.

Contacts and locations

Locations

  • Asan Medical Center

    RECRUITING

    Seoul, South Korea

  • Chonnam National University Hospital

    RECRUITING

    Gwangju, South Korea

  • Chungnam National University Hospital

    RECRUITING

    Daejeon, South Korea

  • Dong-A University Hospital

    NOT_YET_RECRUITING

    Pusan, South Korea

  • Gwangju Veterans Hospital

    RECRUITING

    Gwangju, South Korea

  • Gyeongsang National University Changwon Hospital

    RECRUITING

    Changwon, South Korea

  • Gyeongsang National University Hospital

    RECRUITING

    Jinju, South Korea

  • Jeonbuk National University Hospital

    RECRUITING

    Jeonju, South Korea

  • Kangbuk Samsung Medical Center

    WITHDRAWN

    Seoul, South Korea

  • Keimyung University Dongsan Hospital

    RECRUITING

    Daegu, South Korea

  • Koera University Guro Hospital

    NOT_YET_RECRUITING

    Seoul, South Korea

  • Korea University Anam Hospital

    RECRUITING

    Seoul, South Korea

  • Kwangju Christian Hospital

    NOT_YET_RECRUITING

    Gwangju, South Korea

  • Kyungpook National University Hospital

    NOT_YET_RECRUITING

    Daegu, South Korea

  • Samsung Medical Center

    RECRUITING

    Seoul, South Korea

  • Seoul National University Bundang Hospital

    NOT_YET_RECRUITING

    Seongnam, South Korea

  • Seoul National University Hospital

    NOT_YET_RECRUITING

    Seoul, South Korea

  • St. Carollo General Hospital

    RECRUITING

    Suncheon, South Korea

  • Yeongnam University Medical Center

    RECRUITING

    Daegu, South Korea

  • Yonsei University, Wonju Severance Christian Hospital

    RECRUITING

    Wŏnju, South Korea

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