Clinical trials
Preserved Ejection Fraction clinical trials
Below are recruiting preserved ejection fraction clinical trials, each written for real people, not researchers. We’re tracking 126 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07037459RecruitingPhase 3
A study of a new drug for heart failure with obesity
This trial tests a medication called maridebart cafraglutide for people with heart failure (where the heart doesn't pump as well as it should) and obesity. The goal is to see if it can help improve symptoms and outcomes.
Birmingham, AlabamaAges 18–99 - NCT05371496Enrolling by invitationPhase 4
Semaglutide for heart failure patients with preserved pumping function
This Phase 2 trial studies whether semaglutide can improve heart function and related body/heart “metabolic” effects in people with heart failure with preserved ejection fraction. It may help you by improving the heart pressures that build up when you’re active and may reduce harmful strain on the body.
Rochester, MinnesotaAges 18 years+ - NCT07272902Recruiting
Atrial fibrillation treatment: Ablation vs. medication
This trial compares two ways to treat atrial fibrillation in people with heart failure where the heart's pumping strength is still normal. You'll either get a procedure called ablation to restore normal rhythm or medication to control your heart rate. The goal is to see which approach works better for people like you.
Halifax, Nova ScotiaAges 18 years+ - NCT07375433Recruiting
Heart failure and COPD study for patients aged 50 to 70
This trial looks at how heart failure with preserved pumping function affects people who also have COPD. It aims to understand the course of the disease and long-term outlook.
Kazan'Ages 50–70 - NCT03197350Recruiting
Study of heart failure with preserved pumping function
This study looks at people who have heart failure symptoms but whose heart pumping strength is not reduced. Researchers aim to better understand this type of heart failure and compare it with people who have no history of heart disease or heart failure.
BrusselsAges 18–99 - NCT07543562RecruitingPhase 3
Selenium supplement for heart failure patients
This study tests whether taking selenium (a mineral supplement) helps heart failure patients feel better and live longer. Researchers will follow patients over time to see if selenium reduces symptoms and hospital visits.
OsloAges 18 years+ - NCT07560436RecruitingPhase 2
Stents for Heart Failure With Normal Pumping
This trial tests whether placing stents in coronary arteries helps patients with heart failure who still have a strong-pumping heart. The study aims to see if improving blood flow to the heart reduces symptoms and improves quality of life.
LondonAges 18 years+ - NCT07442448Enrolling by invitationPhase 4
Study of Finerenone for heart and kidney health in diabetes
This trial tests a medication called Finerenone to see if it can improve heart structure and function in people with both diabetic kidney disease and heart failure. If you have type 2 diabetes, kidney problems, and heart failure with preserved pumping function, this study may explore a new treatment option for you.
TaipeiAges 18 years+ - NCT07298993Enrolling by invitationPhase 4
Can older adults with heart failure safely stop beta-blockers?
This trial tests whether it is safe to gradually stop beta-blocker medication in older adults with heart failure with preserved ejection fraction (a type of heart failure where the heart pumps normally but is stiff). It aims to improve quality of life by reducing unnecessary medications.
Pleasanton, CaliforniaAges 60 years+ - NCT06937320Enrolling by invitationPhase 2
Testing ketone supplements for heart failure with preserved ejection fraction (HFpEF)
This study tests whether a special dietary supplement (ketone esters) can improve exercise ability and heart function in people with a type of heart failure where the heart pumps well but is stiff (HFpEF). You might join if you have stable symptoms, an ejection fraction of 50% or higher, and signs of fluid buildup in the heart.
Durham, North CarolinaAges 18 years+ - NCT06763549Enrolling by invitation
AI-powered wearable patch for heart and lung monitoring
This study tests an AI-powered wearable patch (the COR ECG) to see if it can better track heart and lung health. It may help doctors find problems earlier without needing bulky equipment.
Melbourne, FloridaAges 18 years+ - NCT06820099RecruitingPhase 2
A drug for heart failure with obesity
This trial tests an oral drug called HRS-7535 for people with a certain type of heart failure (where the heart pumps normally but doesn't relax properly) and who also have obesity. It aims to see if the drug can improve symptoms and daily function.
Beijing, Beijing MunicipalityAges 18–80 - NCT07250529Recruiting
Comparing two pacemaker pacing methods for heart block
This study compares two types of pacemaker pacing methods in people with heart block and normal heart pumping function. It looks at how often short bursts of fast heart rhythm occur in the upper heart chambers, which may help improve long-term heart health.
PátraiAges 18 years+ - NCT06514820Recruiting
Exercise MRI study for obesity-related heart failure
This study uses an exercise test with MRI to understand how obesity affects the heart in people with heart failure. It aims to find better ways to diagnose and help patients.
GroningenAges 18 years+ - NCT06312748RecruitingPhase 1
Improving blood vessels in veterans with heart failure
This test is looking at whether certain medications (like statins) can help improve blood vessel health in veterans who have heart failure with preserved pumping function. It may help reduce symptoms and keep you out of the hospital.
Salt Lake City, UtahAges 18 years+ - NCT05838287RecruitingPhase 4
Pioglitazone for heart failure with preserved pumping in type 2 diabetes
This trial tests whether pioglitazone (a diabetes medicine) helps people who have type 2 diabetes and a specific type of heart failure where the heart pumps normally. It may improve heart failure symptoms and function in carefully selected patients.
San Antonio, TexasAges 30–70 - NCT05490901Recruiting
Test exercise heart pressure measurements with an ultrasound
This study looks at how well two heart tests taken during exercise—direct heart pressure measurement and an ultrasound—can explain shortness of breath with activity. It may help doctors better diagnose what’s causing your symptoms.
SeoulAges 19 years+ - NCT06645535Enrolling by invitation
Gut Bacteria and Blood Substances in Stiff Heart Failure
This study looks at how bacteria in your gut and certain substances in your blood relate to a type of heart failure called HFpEF (where the heart is stiff and doesn't relax well). It may help doctors understand the condition better and find new ways to treat it.
Naning, JiangsuAges 18 years+ - NCT04913805RecruitingPhase 2
Study for HFpEF using heart pressure and energy signals
This Phase 2 study tests how matching heart “filling pressure” and heart muscle “energy use” may improve understanding or treatment of HFpEF, a type of heart failure with preserved pumping strength. You may be asked to have heart scans/tests and follow a study plan if your symptoms and test results fit.
Philadelphia, PennsylvaniaAges 18 years+ - NCT04822649Recruiting
Assessing exercise capacity in people with heart microvascular problems
This study looks at how well you can exercise and how your body composition relates to tiny blood-vessel problems in the heart. It may help doctors better understand symptoms and function in people who don’t have major blockages in the large heart arteries.
SeoulAges 20–80 - NCT05138575RecruitingPhase 2
Testing SGLT2 pill and potassium nitrate for heart failure with preserved EF
This trial studies whether two medicines—an SGLT2 inhibitor and potassium nitrate—can improve symptoms and heart function in people with heart failure with preserved ejection fraction (HFpEF). It focuses on people who still have signs of “stiff” or high filling pressure in the heart despite a normal-ish ejection fraction.
Philadelphia, PennsylvaniaAges 18 years+ - NCT03876223Recruiting
Testing imaging to study heart symptoms without blocked arteries
This trial studies people who have heart-related symptoms but do not have clear blocked heart arteries, using special heart imaging. It may help researchers better understand early forms of heart weakness (with preserved pumping function) and improve how these conditions are diagnosed.
Los Angeles, CaliforniaAges 18 years+ - NCT04343430Recruiting
Hospital study for fluid buildup in heart failure with preserved heart function
This study looks at how well doctors can assess fluid buildup before you leave the hospital if you have a type of heart failure called “preserved ejection fraction.” It may help improve decisions about when and how safely people are discharged.
Vandœuvre-lès-NancyAges 18 years+ - NCT04600115RecruitingEarly Phase 1
New MRI methods for heart failure with preserved pumping function
This study tests advanced MRI techniques to better understand heart failure with preserved ejection fraction (HFpEF), a condition where the heart pumps normally but still doesn't work well. It may help improve diagnosis and treatment for patients with this type of heart failure.
Salt Lake City, UtahAges 18 years+
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Common questions
- Are there clinical trials for preserved ejection fraction?
- Yes. Clin2 currently lists 126 recruiting preserved ejection fraction studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a preserved ejection fraction trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a preserved ejection fraction trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
- Heart Failure With Preserved Ejection Fraction
- Heart Failure With Reduced Ejection Fraction
- Heart Failure With Mildly Reduced Ejection Fraction
- Heart Failure With Mid Range Ejection Fraction
- Heart Failure With Normal Ejection Fraction
- Chronic Heart Failure With Reduced Ejection Fraction
- Preserved Ratio Impaired Spirometry (PRISM)
- Preserved Ratio Impaired Spirometry
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.