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Heart stent stretch test: can doctors safely go bigger?

NCT ID NCT05340361

Knowledge-focused Sponsor: Yonsei University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether a specific type of heart stent (zotarolimus-eluting) can be expanded more than usual to treat tricky blockages. Researchers will use a special camera (OCT) to check the stent's size and safety in 30 adults with coronary artery disease. The goal is to see if overexpanding the stent is effective and safe.

What this could mean

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

Active substance
zotarolimus-eluting stent
What this could lead to
If successful, this could help doctors better treat complex artery blockages by safely using larger stents.
What could go wrong
This is a small, early-stage study with only 30 participants, so results may not apply to all patients. There is a risk of stent fracture or other complications.

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 30 people

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

Started

Mar 2022

Expected to finish

Dec 2026

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

Patients with IHD had a discrepancy between proximal and distal reference vessels requiring stent implantation and considering stent overexpansion will be recruited.

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: * Patients, ≥19 years of age, who were diagnosed with IHD requiring stent implantation for lesion with size discrepancy between proximal and distal reference diameter over 1mm, such as tapered long lesion or bifurcation lesion, confirmed by OCT * The decision to participate voluntarily in this study and the written consent of the patient Exclusion Criteria: * Patients with hypersensitivity or contraindication to antiplatelet treatment * Female of childbearing potential, who possibly plans to become pregnant any time after enrollment into this study. * Patients with a life expectancy shorter than 1 year

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Conditions

The condition(s) this trial relates to.

coronary artery disorder myocardial ischemia

As listed by the trial registrant

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

Coronary artery disease Optical coherence tomography STENT

Contacts and locations

Locations

  • Yongin Severance Hospital

    Yongin, Gyeonggi-do, 16995, South Korea

More trials for these conditions

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