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New registry aims to perfect heart valve balloon procedure

NCT ID NCT07175532

Knowledge-focused Sponsor: Asan Medical Center 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This observational study will follow 400 patients with mitral stenosis who undergo a procedure called percutaneous mitral balloon commissurotomy (PMBC), where a balloon is used to open a narrowed heart valve. Researchers want to see how patients fare afterward and find the best way to size the balloon. The study is being conducted at multiple hospitals in Korea and will track complications and outcomes.

What this could mean

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

What this could lead to
If successful, this registry could provide better guidelines for balloon sizing during mitral valve repair, potentially improving safety and outcomes for patients with mitral stenosis.
What could go wrong
This is an observational registry, not a controlled trial, so it cannot prove cause and effect. Results may be influenced by differences in hospital practices or patient selection.

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 400 people

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

Started

May 2025

Expected to finish

Dec 2031

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 mitral stenosis undergoing PMBC

Ages

18 to 89 years

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 with mitral stenosis undergoing PMBC Exclusion Criteria: * Patients who cannot understand this study due to mental illness * Serious comorbidity limiting life expectancy within 1 year * Limited activity (NYHA class III or IV) due to non-cardiac disease

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Conditions

The condition(s) this trial relates to.

mitral valve stenosis

As listed by the trial registrant

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

Mitral stenosis

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

  • Asan Medical Center

    RECRUITING

    Seoul, South Korea

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