Heart failure & cardiomyopathies

The CONDUCT-AF Trial: Rationale and Design of a Prospective, Randomized, Multicentre Study Comparing Conduction System and Biventricular Pacing in Patients Undergoing Atrioventricular Node Ablation for Heart Failure with Atrial Fibrillation

Eur J Heart FailPublished Randomised controlled trial

Study context

Population
Heart failure (HF) patients with symptomatic refractory atrial fibrillation (AF), reduced left ventricular ejection fraction (LVEF) and narrow QRS, scheduled for AV node ablationplanned enrolment
Participants
82 patients
Planned comparison
Conduction system pacing vs biventricular pacing, with subsequent AV node ablation
Primary endpoint
Change in LVEF
Follow-up
6 months
Methodological detailsdesign and rationale, investigator-initiated, prospective, multicentre, non-inferiority, 10 European centres, 1:1 randomisation, Follow-up at least 24 months, Recruitment expected to conclude in 2025; first results anticipated in 2026
  • Design and rationale
  • Investigator-initiated
  • Prospective
  • Multicentre
  • Non-inferiority
  • 10 European centres
  • 1:1 randomisation
  • Follow-up at least 24 months
  • Recruitment expected to conclude in 2025; first results anticipated in 2026

No results yet. This paper sets out the design of a trial; its results are to come.

Original publication

The CONDUCT-AF Trial: Rationale and Design of a Prospective, Randomized, Multicentre Study Comparing Conduction System and Biventricular Pacing in Patients Undergoing Atrioventricular Node Ablation for Heart Failure with Atrial Fibrillation. Eur J Heart Fail. Published 8 September 2025. doi:10.1002/ejhf.70013

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