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Exercise MRI could spot hidden heart failure in breathless patients

NCT ID NCT07401771

Diagnosis Sponsor: Mayo Clinic Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Aug 21, 2026 · Updated 2 times

Summary

This study aims to see if a special MRI done during exercise can help doctors better diagnose and predict outcomes in people with a type of heart failure called HFpEF. Researchers will enroll 400 adults, including those with HFpEF, those with shortness of breath from other causes, and healthy volunteers. The goal is to improve how this condition is identified and managed without invasive tests.

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.

Expected to start

Nov 2026

An estimate. Start dates often move.

Expected to finish

Mar 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

Participants will be identified from Mayo Clinic Cardiac Cath lab appointment lists.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: 1. Informed consent obtained 2. Three groups will be enrolled: 1. HFpEF (cardiologist-adjudicated diagnosis as verified by PI, EF≥50%) 2. Non-cardiac dyspnea (patients have dyspnea but were found on invasive exercise testing not to have HFpEF). 3. Healthy volunteers with no history of dyspnea or effort intolerance. Exclusion Criteria: 1. Contraindication for low-field CMR, as indicated in MRI safety screening checklist (Research Document #1) 2. Patient inability or unwillingness to undergo Ex-CMR 3. Cardiac implants, mechanical or biological valve, causing artifacts that compromise the quality of data 4. Hospitalization for heart failure in the preceding 30 days. 5. Large R-R interval variation, caused by frequent premature ventricular contractions or non-sinus rhythms such as persistent atrial fibrillation, which, in the opinion of the investigators, compromises the quality of data acquisition, image analysis and disrupts the consistency of the cohorts 6. Myocardial infarction or unstable angina pectoris 7. Planned coronary, carotid, or peripheral artery revascularization 8. Other causes of dyspnea as indicated in patients' medical history based upon the opinion of the PI, such as restrictive cardiomyopathy or infiltrative conditions (e.g., amyloidosis), hypertrophic obstructive cardiomyopathy, primary pulmonary arterial hypertension, more than moderate chronic obstructive pulmonary disease, right heart failure due to pulmonary disease, complex congenital heart disease, severe anemia, or more than moderate mitral or aortic heart valve disease).

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Conditions

The condition(s) this trial relates to.

diastolic heart failure

As listed by the trial registrant

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

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

  • Mayo Clinic in Rochester

    RECRUITING

    Rochester, Minnesota, 55905, United States

More trials for these conditions

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