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Heart attack plaque: can scans tell the full story?

NCT ID NCT07151976

Knowledge-focused Sponsor: Fujita Health University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study looks at 200 people having a heart attack to see if a special camera (OCT) inside the arteries correctly identifies the type of plaque that caused the attack. Researchers will compare the camera images with the actual plaque material removed during a standard procedure. The goal is to improve understanding, not to test a new treatment.

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

About 200 people

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

Started

Jul 2016

Expected to finish

Dec 2027

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.

Who is studied

Between July 2016 and December 2024, 200 consecutive patients with ACS having large angiographic thrombus burden who assumed to have a merit of thrombotic aspiration and who consented to OCT guided PCI procedures with athero-thrombotic aspiration were enrolled in the study.

Ages

20 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: 1. Patients with ACS showing ST-segment elevation myocardial infarction (STEMI) or non-ST-segment elevation myocardial infarction (NSTEMI) are studied. 2. Only native coronary artery lesions are included in the study. 3. Optical coherence tomography (OCT) was performed prospectively to compare OCT culprit lesions characteristics with histological analysis of athero-thrombotic aspirated material of the culprit lesion. For this purpose, only lesions with both athero-thrombotic aspirated material and OCT observations are included in the study. 4. All patients provided written informed consent for the index procedure, follow-up, and anonymous data management. Exclusion Criteria: 1. Patients are excluded from the study when they had cardiogenic shock and contraindications to anticoagulation and anti-platelet therapy. 2. Lesions located in tortuous vessels, in ostial segment and in the left main stem are excluded from the study due to the difficulty in performing high-quality intracoronary imaging.

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Conditions

The condition(s) this trial relates to.

acute coronary syndrome acute myocardial infarction ST-elevation myocardial infarction

As listed by the trial registrant

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

Acute coronary syndrome

How to take part

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

  1. The places running it

    1 site. 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

  • Fujita Health University

    RECRUITING

    Toyoake, Aichi-ken, 470-1192, Japan

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