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New heart pacing technique could help when standard therapy fails

NCT ID NCT06148571

Disease control Sponsor: Seoul National University Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Aug 21, 2026 · Updated 1 time

Summary

This study tests a new pacing method called left bundle branch area pacing for people with heart failure whose heart pumps less blood than normal (ejection fraction 50% or lower). It is for patients who cannot get standard pacing or need a backup option. The goal is to see if this method is safe and works well to improve heart function. About 200 adults will take part.

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.

Participants

142 people

The number who actually took part.

Started

Oct 2023

Finished

Jul 2026

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.

Who is studied

Patients who have EF below normal and require permanent cardiac pacing or CRT.

Ages

19 years and older

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: * Patients previously diagnosed with heart failure with mid-range(or mildly reduced) ejection fraction and heart failure with reduced ejection fraction, which was documented by an appropriate echocardiographic study (Left ventricle ejection fraction \<50%), and * Patients with indications of cardiac pacing or cardiac resynchronization therapy Exclusion Criteria: * Patients aged less than 19 years. * Pregnant. * Patients with an expected life expectancy of less than 1 year. * Patients with a mechanical valve for the tricuspid valve. * Patients who need atrial pacing only. * Patients who are not capable of receiving a transvenous pacemaker for any reason.

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Conditions

The condition(s) this trial relates to.

systolic heart failure

As listed by the trial registrant

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

Left ventricular ejection fraction less then or equal to 50PERCENT

Contacts and locations

Locations

  • Seoul National University Hospital

    Seoul, Jongno-gu, 03080, South Korea

More trials for these conditions

Other studies related to the condition(s) this trial covers.