Exercise cardiac MRI for heart failure with preserved ejection fraction
Official title: Exercise Cardiovascular Magnetic Resonance In Heart Failure With Preserved Ejection Fraction
Run by Mayo Clinic · NCT07401771 · Data updated 2026-11-12
This study will try low-field exercise cardiac MRI to see if it can diagnose, describe, and predict risk in people with HFpEF compared with those who have non-cardiac breathlessness and healthy volunteers.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years to 80 Years |
| Sex | All |
| Enrollment | 400 (estimated) |
| Sponsor | Mayo Clinic Academic / other |
| Locations | 1 site (Rochester, Minnesota) |
| Status | Recruiting |
| Started | November 2026 |
| Main results expected | March 2028 |
| Study ends | March 2028 |
| Registry record updated | August 20, 2026 |
| Trial ID | NCT07401771 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults with cardiologist-adjudicated HFpEF (EF ≥50%) who can undergo MRI, people with exertional dyspnea shown by invasive testing not to have HFpEF, and healthy volunteers without breathlessness.
✕Probably not a fit
Patients with MRI contraindications, implanted devices or valve prostheses that cause imaging artifact, recent heart failure hospitalization, or significant arrhythmias that disrupt imaging are unlikely to benefit or may be excluded.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational study will internally validate a low-field exercise cardiovascular magnetic resonance (Ex-CMR) protocol as a noninvasive tool to diagnose, phenotype, and risk-stratify HFpEF. Three groups will be enrolled: patients with cardiologist-adjudicated HFpEF (EF ≥50%), patients with exertional dyspnea proven not to have HFpEF on invasive exercise testing, and healthy volunteers without dyspnea. Participants will undergo Ex-CMR imaging during exertion unless they meet MRI contraindications or have implants/artifacts or arrhythmias that compromise image quality. The study is a single-center protocol conducted at Mayo Clinic in Rochester, Minnesota to compare imaging results across the three cohorts.
Why it matters
Potential benefit: If successful, low-field Ex-CMR could offer a noninvasive way to diagnose and subtype HFpEF and help predict patient risk without routine invasive exercise testing.
How similar studies have gone: Exercise CMR at higher field strengths has previously detected hemodynamic abnormalities in HFpEF, but low-field exercise CMR is a newer approach that requires validation.
Who can join: the full rules
Show full inclusion / exclusion criteria
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).
Where it's running
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Mayo Clinic in Rochester
Rochester, Minnesota, United States Recruiting
Study contacts
- Principal investigator: Barry Borlaug, MD — Mayo Clinic
- Study coordinator: Annabelle Fuenffinger
- Email: Fuenffinger.Annabelle@mayo.edu
- Phone: 507-422-3801
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Remote rehabilitation for HFpEF patients using telerehabilitation
A home-based telerehabilitation program is being tested to see if it is safe and helpful for people with heart failure with preserved ejection fraction.
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EDG-15400 in adults with HFpEF: a phase 2 study
This phase 2 study tests different doses of EDG-15400 against placebo in adults with HFpEF to see if it is safe and tolerable.
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Incretin therapy with tirzepatide for obesity-related HFpEF
A 15-month study will test whether tirzepatide helps people with obesity and HFpEF by reducing plasma volume.
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Boosted exercise with group coaching for HFpEF
This trial tests a blended, guided exercise program with group coaching and remote monitoring to see if it helps older adults with HFpEF improve activity and health at a lower cost.
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HRS-1893 for heart failure with preserved ejection fraction
This trial will test whether HRS-1893 is safe and tolerable in adults aged 40 and older who have heart failure with preserved ejection fraction.
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Pulmonary Artery Denervation for a specific type of heart and lung pressure problem
This study tests whether the Enhancor System can safely and effectively help patients with combined pre- and post-capillary pulmonary hypertension due to left heart disease when added to standard therapy.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.