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New pacemaker technique could rival standard for heart failure

NCT ID NCT06241651

Disease control Sponsor: The First Affiliated Hospital with Nanjing Medical University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares a newer pacing method called conduction system pacing (CSP) with the standard biventricular pacing (BiVP) in heart failure patients who already have a right ventricular pacemaker and need an upgrade. Researchers want to see if CSP is as good as BiVP at improving heart function over six months. The trial will enroll 66 adults with heart failure and a history of right ventricular pacing.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Conduction system pacing (a type of heart pacemaker) and biventricular pacing (standard pacemaker)
What this could lead to
If successful, this could show that a newer pacing method works as well as the standard one, offering patients another option for managing heart failure.
What could go wrong
This is a small, early-stage study with only 66 participants, so results may not apply to everyone. The newer pacing method may not be as effective or could have unexpected risks.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 66 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jan 2024

Expected to finish

Mar 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Patients with symptomatic heart failure (LVEF \<50%) after right ventricular pacing for at least 3 months; 2. NYHA class II-IV; 3. NT-proBNP \>125pg/mL in patients with sinus rhythm, NT-proBNP \>250pg/mL in patients with atrial fibrillation; 4. Right ventricular pacing percentage \>40%; 5. Adult patients aged 18-80; 6. With informed consent signed. Exclusion Criteria: 1. History of acute myocardial infarction within 3 months before enrollment; 2. Frequent premature ventricular contraction (\>15%) or malignant ventricular arrhythmia which is difficult to control; 3. History of valvular heart disease intervention within 3 months before enrollment; 4. After mechanical tricuspid valve replacement; 5. Ventricular septal hypertrophy (≥15mm during diastole); 6. Complex congenital heart disease; 7. History of heart transplantation; 8. Enrollment in any other study; 9. Pregnant or with child-bearing plan; 10. A life expectancy of less than 12 months.

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Conditions

The condition(s) this trial relates to.

heart failure

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Biventricular pacing Cardiac resynchronization therapy Conduction system pacing Heart failure Right ventricular pacing

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • The First Affiliated Hospital with Nanjing Medical University

    RECRUITING

    Nanjing, Jiangsu, 210029, China

More trials for these conditions

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