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Pacing showdown: can a dual approach beat standard therapy for heart failure?

NCT ID NCT07842874

Symptom relief Sponsor: PD Dr. Guram Imnadze 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 25, 2026 · Last updated Sep 25, 2026

Summary

Researchers compare two ways to pace the heart in people with heart failure and a left bundle branch block. One method paces only the left bundle branch area, while the other adds a left ventricular lead to better synchronize the heart's lower chambers. The trial measures changes in symptoms, heart function, and quality of life over 12 months to see which approach works better.

What this could mean

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

Active substance
left bundle branch optimized cardiac resynchronization therapy (LOT-CRT) and left bundle branch area pacing (LBBAP)
What this could lead to
If LOT-CRT works better, it could become a preferred pacing strategy for heart failure patients, improving symptoms and heart function.
What could go wrong
The trial is small and early, so results may not apply broadly. Pacing procedures carry risks like infection or lead displacement, and some patients may not respond.

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 124 people

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

Expected to start

Feb 2027

An estimate. Start dates often move.

Expected to finish

Mar 2029

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 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: Age ≥ 18 years Clinical indication for CRTP implantation according to the current ESC guidelines De novo implantation LBBB (QRS duration ≥130 ms) NYHA II-IV Exclusion Criteria: Severe mitral or aortic valvular disease History of VT/VF Failed implantation of any component of the LOT-CRTP system/ incompleteness of the system to be implanted Pregnancy Life expectancy \< 1 year Inability to give written consent

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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.

Cardiac resynchronization therapy Conduction system pacing Heart failure Left bundle branch area 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

  • University Hospital Ruppin-Brandenburg

    Neuruppin, Brandenburg, 16816, Germany

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