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Which heart stent works best? massive study compares old and new

NCT ID NCT01186133

Disease control 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 30, 2026 · Last updated Jul 01, 2026 · Updated 1 time

Summary

This study looks at how well different drug-eluting stents work in real-world patients with coronary artery disease. Researchers are comparing newer stents to older ones to see which are safest and most effective. The study includes up to 50,000 people who need a stent to open blocked heart arteries. The goal is to find out which stents reduce the risk of death, heart attack, or the need for another procedure.

What this could mean

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

Active substance
drug-eluting stent
What this could lead to
If successful, this could help doctors choose the safest and most effective stent for patients with coronary artery disease.
What could go wrong
This is an observational study, not a controlled trial, so results may be influenced by patient differences. Stents carry risks like blood clots or re-narrowing of arteries.

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 50,000 people

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

Start date

Jan 2009

Expected to finish

Dec 2030

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

consecutive patients amenable to PCI

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: * coronary disease amenable to percutaneous coronary intervention (PCI) * no clinical and lesion limitations Exclusion Criteria: * patients with a mixture of several DES * terminal illness with life expectancy less than 1 year * patients with cardiogenic shock

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Conditions

The condition(s) this trial relates to.

coronary artery disorder Coronary Disease

As listed by the trial registrant

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

Coronary artery disease Percutaneous transluminal coronary angioplasty

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. 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

  • Korean centres

    RECRUITING

    Multiple Locations, South Korea

More trials for these conditions

Other studies related to the condition(s) this trial covers.