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Recruiting NCT05839730

NCT05839730 Fast Induced Remodeling in Heart Failure With Preserved Ejection Fraction

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Clinical Trial Summary
NCT ID NCT05839730
Status Recruiting
Phase
Sponsor Medtronic Cardiac Rhythm and Heart Failure
Condition Heart Failure With Preserved Ejection Fraction
Study Type INTERVENTIONAL
Enrollment 105 participants
Start Date 2024-09-11
Primary Completion 2026-07

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
Pacemaker PLR + TRT ONPacemaker non-pacing mode or an exertional rate-adaptive pacing mode with no planned pacing at rest.

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

This trial targets 105 participants in total. It began in 2024-09-11 with a primary completion date of 2026-07.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

FIRE-HFpEF is a multi-center, prospective, randomized, single-blinded, clinical feasibility study. This study will enroll up to 105 subjects with heart failure with preserved ejection fraction in the United States. Data will be collected to evaluate whether pacing therapies can lead to improvements in exercise capacity and health status of subjects.

Eligibility Criteria

Inclusion Criteria: * Diagnosis of Heart Failure, Left Ventricular Ejection Fraction (LVEF) ≥ 55% (this and other measurements must be made within the last year). * New York Heart Association (NYHA) Functional Class I-III * Stable on guideline-directed medical therapy (GDMT) heart failure medications as determined by the investigator, for at least 1 month, with the exception of loop diuretic therapy. GDMT should be in accordance with current American Heart Association (AHA)/American College of Cardiology (ACC)/Heart Failure Society of America (HFSA) Guidelines and include consideration of Sodium/glucose cotransporter-2 inhibitors (SGLT2i) therapy. * V End Diastolic Volume indexed to body surface area (BSA) ≤ 80 mL/m\^2. * Concentric remodeling or concentric hypertrophy defined as at least one of the following criteria: * Left ventricular (LV) posterior or lateral wall thickness \> 11mm * Relative wall thickness (RWT) \> 0.42 * Male and LV mass indexed to BSA ≥115 g/m2 * Male and LV mass indexed to height ≥ 49.2 g/m2.7 * Female and LV mass indexed to BSA ≥ 95 g/m2 * Female and LV mass indexed to height ≥ 46.7 g/m2.7 Exclusion Criteria: * Unable or unwilling to undergo contrast MRI. * Class I indication for permanent pacing, except for symptomatic chronotropic incompetence * Current permanent or persistent Atrial fibrillation (A-fib) * Structural heart disease requiring intervention * Aortic valve replacement procedure less than 12 months prior to enrollment * Known pericardial constriction, genetic hypertrophic cardiomyopathy, or infiltrative cardiomyopathy * Severe aortic or mitral valve disease, defined as severe regurgitation or a valve area \< 1cm\^2 * Exertional angina * Severe pulmonary disease including severe Chronic obstructive pulmonary disease (COPD) (i.e., requiring home oxygen, chronic nebulizer therapy, or chronic oral steroid therapy or hospitalized for pulmonary decompensation within 12 months) * Estimated glomerular filtration rate (eGFR) \< 25 ml/min/1.73m\^2 as calculated by the Modification in Diet in Renal Disease (MDRD) formula * Uncontrolled blood pressure, defined as systolic pressure outside the range of 100 to 160 mmHg despite anti-hypertensive medication.

Contact & Investigator

Central Contact

Scott A Sarazin

✉ scott.a.sarazin@medtronic.com

📞 763-526-2817

Frequently Asked Questions

Who can join the NCT05839730 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, studying Heart Failure With Preserved Ejection Fraction. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT05839730 currently recruiting?

Yes, NCT05839730 is actively recruiting participants. Contact the research team at scott.a.sarazin@medtronic.com for enrollment information.

Where is the NCT05839730 trial being conducted?

This trial is being conducted at Naples, United States, O'Fallon, United States, Springfield, United States, Kansas City, United States and 4 additional locations.

Who is sponsoring the NCT05839730 clinical trial?

NCT05839730 is sponsored by Medtronic Cardiac Rhythm and Heart Failure. The trial plans to enroll 105 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: July 2026  ·  Data Methodology