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New MRI study reveals how balloon procedure helps lungs and heart

NCT ID NCT07299227

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study looks at how balloon pulmonary angioplasty (BPA) changes heart and lung function in people with chronic blood clots in the lungs (CTEPH). Researchers will use advanced MRI scans before and after the procedure to measure blood flow and heart performance. The goal is to better understand how BPA improves the body's response to this condition.

What this could mean

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

Active substance
balloon pulmonary angioplasty (a procedure to open blocked lung arteries)
What this could lead to
If successful, this could show exactly how balloon angioplasty improves heart and lung function in people with chronic blood clots in the lungs.
What could go wrong
This is a small, early observational study (60 people) that measures changes using MRI, not a large trial testing a new treatment. It may not prove long-term benefits or apply to everyone.

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 60 people

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

Started

Sep 2025

Expected to finish

Dec 2028

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

All CTEPH patients to undergo BPA

Ages

18 to 99 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: * Patient referred to BPA * clinical indication for CMR * capability to give informed consent Exclusion Criteria: * general: non-compliance, \<18 years of age, pregnancy * contraindications for CMR (non-CMR compatible device, chronic kidney disease (eGFR \<30ml/min), allergies (medications)

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Conditions

The condition(s) this trial relates to.

chronic thromboembolic pulmonary hypertension

As listed by the trial registrant

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

CTEPH

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

  • Kerckhoff-Klinik

    RECRUITING

    Bad Nauheim, Hesse, 61231, Germany

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