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Heart fix combo: ablation plus exercise may boost oxygen in stiff heart failure

NCT ID NCT06650995

Disease control Sponsor: Technical University of Munich 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 18, 2026 · Updated 2 times

Summary

This study looks at whether combining a heart procedure called ablation with a 12-week home exercise program can improve how well the body uses oxygen in people with a type of heart failure (HFpEF) and a common heart rhythm problem (atrial fibrillation). About 40 participants will be enrolled. The goal is to see if the combination works better than either treatment alone.

What this could mean

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

Active substance
exercise training and heart ablation
What this could lead to
If it works, this could point toward a combined treatment approach that improves exercise capacity and heart function in patients with both heart failure and atrial fibrillation.
What could go wrong
This is a small, early-phase study with only 40 participants, so results may not apply to everyone. The exercise program is short (12 weeks), and long-term benefits are unknown.

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

About 40 people

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

Expected to start

Feb 2027

An estimate. Start dates often move.

Expected to finish

Jun 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

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: * Diagnosed heart failure with preserved ejection fraction * Symptomatic short-persistent atrial fibrillation (diagnosis within 1 year of study inclusion) Exclusion Criteria: * Paroxysmal, long-persistent or permanent atrial fibrillation * Clinically unstable coronary artery disease or acute coronary syndrome * Physical and/or mental inability to perform exercise testing * Prior ablation therapy * Precapillary pulmonary hypertension at rest * Intracardiac shunts * Left ventricular ejection fraction \<50% * High-degree valve insufficiency or stenosis (greater than grade 1 at rest)

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Conditions

The condition(s) this trial relates to.

atrial fibrillation diastolic heart failure persistent atrial fibrillation

As listed by the trial registrant

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

Atrial fibrillation Hfpef - heart failure with preserved ejection fraction

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

  • Department of Medicine, Division of Prevention and Sports Medicine TU Munich

    RECRUITING

    Munich, 80809, Germany

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