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ClinicalTrials.gov 33 recruiting now official registry

Heart Failure With Preserved Ejection Fraction clinical trials

Every US clinical trial registered for Heart Failure With Preserved Ejection Fraction — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.

42 US clinical trials · 33 currently recruiting

The research picture

Heart Failure With Preserved Ejection Fraction has 42 registered US clinical trials, 33 of them open to new participants right now — about 79% of the total.

33
recruiting participants now
79%
of trials open to enrollment
4
in Phase 3–4 (later-stage)
3
top sponsor: Northwestern University

Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.

Active & Recent Trials

RECRUITING 40,000 participants

Real-Time Monitoring of Heart Failure Across the Yale New Haven Health System

Yale University

NCT04237701

RECRUITING Phase 3 5,056 participants

Maridebart Cafraglutide in Heart Failure With Preserved or Mildly Reduced Ejection Fraction and Obesity

Amgen

NCT07037459

RECRUITING Phase 3 2,000 participants

Spironolactone Initiation Registry Randomized Interventional Trial in Heart Failure With Preserved Ejection Fraction

Uppsala University

NCT02901184

RECRUITING NA 1,500 participants

Assessment of CCM in HF With Higher Ejection Fraction

Impulse Dynamics

NCT05064709

RECRUITING 1,000 participants

HeartShare: Combining Omics, Deep Phenotyping, and Electronic Health Records for Heart Failure Subtypes and Treatment Targets

Northwestern University

NCT05873634

RECRUITING NA 880 participants

Physical Rehabilitation for Older Patients With Acute Heart Failure With Preserved Ejection Fraction

Wake Forest University Health Sciences

NCT05525663

RECRUITING 500 participants

Purinergic Signaling and the Postmenopausal Heart

Beth Israel Deaconess Medical Center

NCT06015776

RECRUITING 400 participants

Exercise Cardiovascular Magnetic Resonance In Heart Failure With Preserved Ejection Fraction

Mayo Clinic

NCT07401771

RECRUITING Phase 2 282 participants

Study of JK07 in Patients With Chronic Heart Failure

Salubris Biotherapeutics

NCT06369298

RECRUITING Phase 2 180 participants

A Study of TX000045 in Patients With Pulmonary Hypertension Secondary to Heart Failure With Preserved Ejection Fraction (the APEX Study)

Tectonic Therapeutic

NCT06616974

RECRUITING 180 participants

Myocardial Mechanisms in Heart Failure With Preserved Ejection Fraction

Northwestern University

NCT06517186

RECRUITING NA 150 participants

Transitions of Care Clinic (TOCC)

Hackensack Meridian Health

NCT06937827

RECRUITING NA 105 participants

Fast Induced Remodeling in Heart Failure With Preserved Ejection Fraction

Medtronic Cardiac Rhythm and Heart Failure

NCT05839730

RECRUITING NA 100 participants

Home-Based Cardiac Rehabilitation for Patients With Heart Failure

Vanderbilt University Medical Center

NCT06479876

RECRUITING NA 90 participants

Ketogenic Diet vs Mixed Diet in Patients With Heart Failure

Ohio State University

NCT06081543

RECRUITING NA 90 participants

Leg Heat Therapy in Heart Failure With Preserved Ejection Fraction

Indiana University

NCT06388226

RECRUITING Phase 1 90 participants

Novel Approaches for Improving Vascular Function in Veterans With HFpEF

VA Office of Research and Development

NCT06312748

RECRUITING NA 78 participants

Targeting Breathing Limitations to Improve Functional Outcomes in HFpEF

University of Texas Southwestern Medical Center

NCT05723679

RECRUITING Phase 4 78 participants

Pioglitazone on Heart Failure in Type-2 Diabetes Mellitus Participants

The University of Texas Health Science Center at San Antonio

NCT05838287

RECRUITING Phase 4 66 participants

Impact of Intravenous Iron Repletion On Mechanisms of Exercise InTolerance in HFpEF (IRONMET-HFpEF)

Massachusetts General Hospital

NCT04945707

RECRUITING Phase 1 60 participants

Effect of Dapagliflozin on Metabolomics and Cardiac Mechanics in Chronic Kidney Disease

Northwestern University

NCT05719714

RECRUITING 60 participants

Physical Activity, Cardiac and Skeletal Muscle Energetics in Healthy Subjects and HFpEF Patients

Johns Hopkins University

NCT04998877

RECRUITING Phase 2 53 participants

Matching Perfusion and Metabolic Activity in HFpEF

University of Pennsylvania

NCT04913805

RECRUITING Phase 2 53 participants

SGLT2i and KNO3 in HFpEF - The SAK HFpEF Trial

University of Pennsylvania

NCT05138575

RECRUITING NA 36 participants

The Effect of a High Fiber Diet and High-Intensity Interval Exercise in Patients With HFpEF

University of Virginia

NCT05236413

RECRUITING Phase 2 35 participants

A Study of 68Ga-Fibroblast Activation Protein Inhibitor (FAPI) Positron Emission Tomography in Heart Failure

Mayo Clinic

NCT07083011

RECRUITING NA 30 participants

Fiber Supplementation in Heart Failure With Preserved Ejection Fraction (HFpEF)

University of Michigan

NCT06337812

RECRUITING Early Phase 1 30 participants

SGLT2 Inhibitors, Ketones, and Cardiovascular Benefit Research Plan

The University of Texas Health Science Center at San Antonio

NCT05057806

RECRUITING NA 30 participants

Beta-blocker Discontinuation in Heart Failure With Preserved Ejection Fraction

UConn Health

NCT05174351

RECRUITING 25 participants

A Study Of CS Reducer For Symptomatic Heart Failure With HFpEF And CMD

Mayo Clinic

NCT07093528

RECRUITING NA 20 participants

Pilot Study Lp299v Supplementation in Chronic Heart Failure

Medical College of Wisconsin

NCT05752760

RECRUITING Phase 1 10 participants

Modulation of SERCA2a of Intra-myocytic Calcium Trafficking in Heart Failure With Preserved Ejection Fraction

Sardocor

NCT06061549

RECRUITING NA 10 participants

The PeriCut Catheter System Early Feasibility Study (REIMAGINE-HFpEF)

Heart Failure Solutions

NCT06702501

ACTIVE NOT RECRUITING Phase 2 86 participants

Metformin for Older Patients With Heart Failure With Preserved Ejection Fraction

Wake Forest University Health Sciences

NCT05093959

ACTIVE NOT RECRUITING NA 45 participants

Cardiac Rehab Effects in HFpEF

VA Office of Research and Development

NCT04506606

ACTIVE NOT RECRUITING NA 30 participants

Novel Respiratory Training as Part of Palliative Care for Older Adults With Heart Failure

University of Pittsburgh

NCT06576297

ACTIVE NOT RECRUITING 21 participants

WeighT LOSS Surgery and Comprehensive Cardiometabolic Responses to to EXercise

Massachusetts General Hospital

NCT06576050

COMPLETED 42,494 participants

Heart Failure Therapy and Outcomes in Patients With Heart Failure With Mildly Reduced or Preserved Ejection Fraction

Novartis

NCT06671314

COMPLETED NA 94 participants

Virtual Visits to Optimize Research Trial Offerings to HF Patients

The Cleveland Clinic

NCT04064541

COMPLETED Phase 2 25 participants

Cilostazol for HFpEF

University of Minnesota

NCT05126836

COMPLETED Phase 1 15 participants

Physiological Effects of Grape Seed Extract in Diastolic Heart Failure

University of Michigan

NCT01185067

COMPLETED Early Phase 1 12 participants

Pressure Assessment to Improve Outcomes After TAVR: a Registry

North Florida Foundation for Research and Education

NCT03923530

Phase Distribution

PhaseTrial count
Phase 1 6
Phase 2 7
Phase 3 2
Phase 4 2

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Reading the Heart Failure With Preserved Ejection Fraction Trial Landscape

ClinicalTrials.gov lists 42 US studies indexed under Heart Failure With Preserved Ejection Fraction, and 33 of those are currently open to recruitment — roughly 79% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.

The phase distribution for Heart Failure With Preserved Ejection Fraction shows 4 late-stage studies (Phase 3 and Phase 4 combined) alongside 13 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.

Top sponsor activity for Heart Failure With Preserved Ejection Fraction is led by Northwestern University with 3 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 42 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.

Frequently Asked Questions

How many clinical trials are there for Heart Failure With Preserved Ejection Fraction?

PlainTrial tracks 42 US clinical trials for Heart Failure With Preserved Ejection Fraction, of which 33 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Heart Failure With Preserved Ejection Fraction?

Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.

Is this data current?

Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.

Related

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

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