An interventional study of Personalized cardiac pacing in Heart Failure With Preserved Ejection Fraction (HFpEF), sponsored by Medtronic Cardiac Rhythm and Heart Failure. Recruiting at 55 sites in 15 countries. Open to participants aged 40 Years and older. Per ClinicalTrials.gov, last updated 2026-11-03.
Sponsored by Medtronic Cardiac Rhythm and Heart Failure (part of Medtronic) · Not applicable, Interventional, and Treatment
ELEVATE-HFpEF is a prospective, randomized, controlled, double-blinded, multi-center, global, interventional pivotal study evaluating the safety and efficacy of dual chamber personalized pacing compared to minimal or no pacing for the treatment of patients with heart failure with preserved ejection fraction (HFpEF).
This study will evaluate a personalized cardiac pacing rate as a treatment for symptomatic heart failure with preserved ejection fraction (LVEF ≥50%). The intervention is designed to improve health status and other signs and symptoms of heart failure in patients with HFpEF. After enrollment, baseline data will be collected, and subjects will then have a pacemaker implanted. Following successful implant, and prior to pre-hospital discharge, subjects will be randomized 1:1 to one of two study groups. In the first group, subjects will have their pacemaker programmed to dual chamber pacing at a personalized cardiac pacing rate (treatment group) based on their LVEF and height. Subjects randomized to the second group will have their pacemaker programmed to receive ventricular pacing at a non-personalized rate to minimize interference with the subject's intrinsic heart rate (control group).
Subjects will complete 2-month, 6-month, and 12-month visits where data will be collected. At the 12-month visit, the second group (control group) will also be programmed to their personalized cardiac pacing rate. Subjects will complete 14-month, 18-month, and 24-month visits where data will be collected. Following the 24-month visit, additional long-term follow-up visits will occur annually until study completion. The estimated study duration is approximately 4.5 years representing an estimated 24-month enrollment period and 18-month follow-up period.
6,331 studies on the registry are indexed under Heart Failure; 1,396 are open to participants now.
This study's planned enrollment of 700 is above the median of 76 across 4,049 interventional studies indexed under Heart Failure.
Browse Heart Failure studies →Medtronic Cardiac Rhythm and Heart Failure is the lead sponsor of 240 studies on the registry; 4 are open to participants now.
Of its 19 completed or terminated interventional studies of FDA-regulated products, 18 (95%) have results posted.
Counted across the registry records on this site, refreshed daily.
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
HFpEF defined as:
Dyspnea on exertion and (NYHA) ≥ class II symptoms AND AT LEAST ONE OF THE FOLLOWING CRITERIA:
Echo criteria defined by ≥2 of:
Exclusion Criteria:
Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
The New York Heart Association’s four classes of how much heart failure limits physical activity.
Studies set their own limit — many outside heart failure leave out class III–IV, while heart failure studies may ask for a particular class. Check the class this study names.
The share of blood the heart’s main pumping chamber (the left ventricle) pushes out with each beat, measured by an echocardiogram (heart ultrasound) or a MUGA scan. About 50–70% is normal.
Weight in kilograms divided by height in metres squared. Example: 70 kg and 1.75 m gives 70 ÷ (1.75 × 1.75) ≈ 22.9.
What counts as overweight or obesity differs between countries (some use lower cut-offs), so go by the range the study states.
A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.
The study doctor’s estimate of how long someone is likely to live. Criteria use it so that people can stay in the study long enough for it to answer its question.
NYHA class (heart failure)
The New York Heart Association’s four classes of how much heart failure limits physical activity.
Studies set their own limit — many outside heart failure leave out class III–IV, while heart failure studies may ask for a particular class. Check the class this study names.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
LVEF (left ventricular ejection fraction)
The share of blood the heart’s main pumping chamber (the left ventricle) pushes out with each beat, measured by an echocardiogram (heart ultrasound) or a MUGA scan. About 50–70% is normal.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
BMI (body mass index)
Weight in kilograms divided by height in metres squared. Example: 70 kg and 1.75 m gives 70 ÷ (1.75 × 1.75) ≈ 22.9.
What counts as overweight or obesity differs between countries (some use lower cut-offs), so go by the range the study states.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Contraindication
A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Life expectancy
The study doctor’s estimate of how long someone is likely to live. Criteria use it so that people can stay in the study long enough for it to answer its question.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
The treatment group will receive a qualifying Medtronic dual chamber pacemaker limited to Astra XT or Azure XT and programmed to provide dual chamber pacing at a personalized cardiac pacing rate determined by patient height and baseline LVEF percentage.
Device: Personalized cardiac pacing
The control group will receive a qualifying Medtronic dual chamber pacemaker limited to Astra XT or Azure XT and programmed to provide ventricular pacing at a non-personalized rate. This is considered limited or backup pacing.
Personalized cardiac pacing treatment based each patient's height and baseline LVEF.
Primary Efficacy Objective: Hierarchical composite endpoint of cardiovascular mortality, urgent HF events, HF events requiring an oral diuretic intensification (ODI), change in KCCQ, change in six-minute walk test distance, and change in NT-proBNP.
Cardiovascular mortality, urgent heart failure events, and ODI heart failure events will be collected as they occur. The Kansas City Cardiomyopathy Questionnaire (KCCQ); (range of score is 0 to 100), 6-minute walk test (distance in meters), and N-terminal pro-B-type natriuretic peptide (NT-proBNP) (picograms per milliliter, pg/mL) will be collected at Baseline and the 12-months visit. Treatment and control groups will be compared using a win ratio.
Time frame: Follow-up duration for endpoint analysis is 12-months.
Primary Safety Objective: Percentage of patients with major complications related to the system or procedure.
Adverse events will be collected as they occur. Adverse events will be adjudicated for their relationship to the implant procedure and system. Severity of adverse events related to the procedure or system will be reviewed to determine if they are major complications. Major complications are defined as complications related to the system or procedure that result in one or more of the following: death, hospitalization, prolonged hospitalization by at least 48 hours, additional surgical intervention, system modification (e.g., reposition, replacement, or explant), and/or permanent loss of device function due to mechanical or electrical dysfunction of the device. The percentage of patients undergoing a pacemaker implant attempt who experience a major complication related to the system or procedure at 12 months.
Time frame: 12-months post pacemaker implant attempt.
Secondary Objective #1: Compare changes in HF-related health status as measured by the KCCQ-CSS from baseline to 12-months between randomized treatment groups.
KCCQ will be collected at baseline and 12-months and the clinical summary score (CSS) will be computed with a range of 0 to 100, 100 being the best score. The change in KCCQ-CCS will be compared between the treatment and control groups.
Time frame: Follow-up duration for endpoint analysis is 12-months.
Secondary Objective #2: Compare the change in NT-proBNP from baseline to 12-months between randomized groups by comparing NT-proBNP measured at baseline and 12-months.
NT-proBNP will be collected at baseline and 12-months. The change in NT-proBNP will be compared between treatment and control groups.
Time frame: Follow-up duration for endpoint analysis is 12-months.
Secondary Objective #3: Compare AF burden as measured by the device between randomized treatment groups.
AF burden (percentage of time in atrial fibrillation) is collected by the pacemaker system. AF burden will be compared between treatment and control groups.
Time frame: Follow-up duration for endpoint analysis is 12-months.
Secondary Objective #4: Compare the change in 6-minute walk distance from baseline to 12-months between randomized treatment groups.
The 6-minute walk test will be performed at baseline and 12-months. The change in walk test distance (in meters) from baseline to 12-months will be compared between the treatment and control groups.
Time frame: Follow-up duration for endpoint analysis is 12-months.
Secondary Objective #5: Compare device measured physical activity between randomized treatment groups during the 12-month follow-up period.
Physical activity (hours per day) is collected by the pacemaker system. The average physical activity during the 12-month follow-up period will be compared between the treatment and control group.
Time frame: Follow-up duration for endpoint analysis is 12-months.
Not enrolling at this site — choose another above.
Not enrolling at this site — choose another above.
Plan to share: No
No publications or documents are linked to this record.
Started Jul 2025 (actual). Primary completion is estimated for Aug 2028, 37 months after the start.
Of 236 industry-sponsored interventional studies with no phase under Heart Failure, half reached primary completion within 34 months of starting (the median), counting those still running; a quarter within 18 and three quarters within 62. This study's planned 37 months is close to that.
Counting every sponsor, half of 1,354 studies reached it within 31 months; a quarter within 16 and three quarters within 52.
How these figures are worked out, and which studies are left out of them.
From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗
Eligibility is decided by the study team. Share this record with your doctor or contact the team directly.
Contact study teamGet an email when the registry record changes — status, dates, results — or when someone posts here.
Sign in to followQuestions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.
Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.
Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.
Medtronic Cardiac Rhythm and Heart Failure →