Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Comparing two pacing methods for heart failure in patients with atrial fibrillation

Official title: Pacing Away from Heart Failure: Left Bundle Branch Area Pacing or Biventricular Pacing in Patients with Atrial Fibrillation and Left Ventricular Dysfunction

Run by Leiden University Medical Center · NCT06620705 · Data updated 2026-11-12

This study is testing whether a new pacing method for the heart can work better than the standard method for people with heart failure and atrial fibrillation.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment34 (estimated)
SponsorLeiden University Medical Center
Academic / other
Locations2 sites (Aarhus N, Aarhus N and 1 other locations)
StatusRecruiting
StartedSeptember 10, 2024
Main results expectedSeptember 2027
Study endsOctober 2028
Registry record updatedOctober 1, 2024
Trial IDNCT06620705 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 18 and older with permanent atrial fibrillation and left ventricular ejection fraction less than 50% who require ventricular pacing.

Probably not a fit

Patients with NYHA functional class IV heart failure or those not eligible for lead implantation will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to determine whether left bundle branch area pacing (LBBAP) or biventricular pacing is more effective in preventing or reversing left ventricular adverse remodeling in patients with atrial fibrillation (AF) and left ventricular dysfunction. It is a randomized, non-inferiority crossover trial where participants will receive both pacing methods in a sequential manner. The primary objective is to compare changes in left ventricular end-systolic volume, while secondary objectives include assessing quality of life, functional capacity, and various cardiac metrics. The study population consists of adults with permanent AF and reduced left ventricular ejection fraction who require ventricular pacing.

Why it matters

Potential benefit: If successful, this study could provide insights into the most effective pacing strategy for improving heart function in patients with atrial fibrillation and heart failure.

How similar studies have gone: While the specific comparison of LBBAP and biventricular pacing is novel, similar studies have shown promising results with both pacing techniques in improving heart function.

Who can join: the full rules

Show full inclusion / exclusion criteria
INCLUSION CRITERIA

In order to be eligible to participate in this study, a subject must meet all of the following criteria:

* Adults ≥18 years with permanent AF and LVEF \< 50% who either require ventricular pacing because of bradycardia including patients undergoing AV junction ablation, or have an indication for cardiac resynchronization therapy.
* Expected percentage of ventricular pacing \> 40%
* ≥ 3 months of heart failure medication optimization

Of note, patients who already have a device, but require an upgrade to a CRT device, can also be included

EXCLUSION CRITERIA

A potential subject who meets any of the following criteria will be excluded from participation in this study:

* Age \< 18 years
* Pregnancy or active pregnancy wish
* Not eligible for implantation of an RV lead, LBBAP lead, or LV lead in the coronary sinus
* Recent valve intervention/surgery or acute myocardial infarction (\< 6 months)
* NYHA functional class IV heart failure, left ventricular assist device or cardiac transplant

Where it's running

  • Leiden University Medical Center
    Leiden, South Holland, Netherlands
    Recruiting
  • Aarhus University Hospital
    Aarhus N, Aarhus N, Denmark
    Not yet recruiting

Study contacts

  • Principal investigator: Sebastiaan Piers, MD, PhD — Leiden University Medical Center, Leiden, the Netherlands
  • Study coordinator: Sebastiaan RD Piers, MD, PhD
  • Email: s.r.d.piers@lumc.nl
  • Phone: +31715262020

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

  • Pace-and-ablate strategy in atrial fibrillation: who benefits and long-term outcomes

    This study looks at adults with atrial fibrillation who underwent AV node ablation with permanent pacing to see who develops pacing-induced problems and how they do long-term.

    Recruiting at 5 sites Insel Gruppe AG, University Hospital Bern · Zabrze and 4 other locations · NCT07852221

  • Pacing decisions guided by risk for pacing-induced heart muscle weakness

    This study tests a risk score to predict pacing-induced cardiomyopathy in adults getting heart rhythm devices, to tailor pacing choices.

    Recruiting at 2 sites Insel Gruppe AG, University Hospital Bern · Canberra, Australian Capital Territory and 12 other locations · NCT07276139

  • Using Apple Watch data to predict heart failure outcomes

    This study is testing if data from Apple Watches can help predict heart failure problems and the chances of needing to go back to the hospital for patients with heart failure.

    Recruiting University Medical Center Goettingen · Goettigen, Lower Saxony · NCT06819618

  • Upgrading Pacemakers for Better Heart Function

    This study tests if upgrading from a traditional pacemaker to a newer type can help people with heart problems feel better and improve their quality of life.

    Recruiting at 12 sites Imperial College London · Cambridge and 11 other locations · NCT06052475

  • Comparing Aortix Device to Diuretics for Acute Heart Failure

    This study is testing whether the Aortix device can help people with acute heart failure who aren't responding to diuretics feel better compared to standard treatment.

    Recruiting at 33 sites Procyrion · Phoenix, Arizona and 49 other locations · NCT05677100

  • Comparing His and Left Bundle Branch Pacing for Heart Failure

    This study is testing whether a new way of pacing the heart can help people with heart failure feel better and stay out of the hospital compared to the usual treatment.

    Recruiting at 62 sites Baylor College of Medicine · Gilbert, Arizona and 70 other locations · NCT05650658

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.