Comparing two types of pacing leads for heart rhythm management

Stylet-driven vs. Lumenless Lead in Left-Bundle-Branch Pacing Randomized Trial

Not applicable Interventional Puerta de Hierro University Hospital · NCT06049992

This study is testing which type of pacing lead works better and is safer for people getting a pacemaker to help manage their heart rhythm.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment120 (estimated)
Ages18 Years and up
SexAll
SponsorPuerta de Hierro University Hospital Academic / other
Locations2 sites (Majadahonda, Madrid and 1 other locations)
Trial IDNCT06049992 on ClinicalTrials.gov

What this trial studies

The STYLE-LBBP study is a randomized, non-blinded, multicenter clinical trial designed to evaluate the efficacy and safety of two different pacing leads used in left-bundle branch pacing (LBBP). Participants will be randomly assigned to receive either lumenless leads or stylet-driven leads during their pacemaker implantation. The study will assess the success of achieving left bundle branch capture and monitor any complications that arise during the procedure. This research aims to provide insights into which lead type may offer better outcomes for patients requiring conduction system pacing.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 and older who are referred for conduction system pacing.

Not a fit: Patients with a prosthetic tricuspid valve will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved pacing techniques that enhance heart rhythm management for patients.

How similar studies have performed: While this study explores a specific comparison of pacing leads, similar approaches in conduction system pacing have shown promise, indicating potential for success.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥ 18 years
* Patients referred for conduction system pacing

Exclusion Criteria:

* Patients with a prosthetic (metal or biologic) tricuspid valve.

Where this trial is running

Majadahonda, Madrid and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Left Bundle-Branch PacingLeft bundle-branch pacingConduction system pacingLeadlessStylet-driven pacing leads
Last reviewed 2026-06-13 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.