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Heart stent showdown: which imaging technique wins?

NCT ID NCT03394079

Knowledge-focused Sponsor: Seung-Jung Park Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares two types of imaging—OCT and IVUS—used during heart stent procedures to see which one leads to better outcomes. About 2,000 adults with blocked heart arteries will be randomly assigned to one method. The main goal is to check if OCT is as good as IVUS at preventing heart-related problems like death, heart attack, or the need for another procedure within one year.

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

2,008 people

The number who actually took part.

Started

Apr 2018

Expected to finish

Jan 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.

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: * Men or women at least 19 years of age * Subjects with obstructive CAD undergoing PCI with contemporary DES or drug-coated balloons (only for in-stent restenosis) under intracoronary imaging guidance. * The patient or guardian agrees to the study protocol and the schedule of clinical follow-up and provides informed, written consent, as approved by the appropriate Institutional Review Board/Ethical Committee of the respective clinical site. Exclusion Criteria: * ST-elevation myocardial infarction * Severe renal dysfunction (eGFR \<30 ml/min/1.73 m2 or serum creatinine level \>1.5 mg/dl), unless patient is on renal replacement therapy. * Cardiogenic shock or decompensated heart failure with severe LV dysfunction (LVEF) \< 30% * Life expectancy \< 1 year for any non-cardiac or cardiac causes * Any lesion characteristics resulting in the expected inability to deliver the IVUS or OCT catheter to the lesion pre- and post-PCI (eg, moderate or severe vessel calcification or tortuosity) * Any clinically significant abnormality identified at the screening visit, physical examination, laboratory tests, or electrocardiogram which, in the judgment of the Investigator, would preclude safe completion of the study * Unwillingness or inability to comply with the procedures described in this protocol

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Conditions

The condition(s) this trial relates to.

coronary artery disorder

As listed by the trial registrant

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

Coronary vessels

Contacts and locations

Locations

  • Asan Medical Hospital

    Seoul, South Korea

  • Chonnam National University Hospital

    Gwangju, South Korea

  • Chung-Ang university hospital

    Seoul, South Korea

  • Gangnam Severance Hospital

    Seoul, South Korea

  • Keimyung University Dongsan Medical Center

    Daegu, South Korea

  • Konyang University Hospital

    Daejeon, South Korea

  • Korea University Anam Hospital

    Seoul, South Korea

  • Kyung hee university hospital

    Seoul, South Korea

  • Pusan National University Hospital

    Pusan, South Korea

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