New ablation technique tested against standard in heart failure patients

NCT ID NCT07181291

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares two types of ablation (pulsed-field vs cryoballoon) for treating atrial fibrillation in people with heart failure and reduced pumping function. Researchers looked back at 700 patients who had their first ablation to see which method works better and is safer. The goal is to find out if the newer pulsed-field method is as good as the standard cryoballoon method.

What this could mean

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

Active substance

pulmonary vein isolation (PVI) procedure

What this could lead to

If successful, this could show that pulsed-field ablation is as safe and effective as cryoballoon ablation for controlling atrial fibrillation in heart failure patients.

What could go wrong

This is a retrospective study, not a randomized trial, so results may be biased. The non-inferiority margin is wide, and the study may not prove one method is better.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

atrial fibrillation heart failure systolic heart failure

As listed by the trial registrant

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

Contacts and locations

Locations

  • Evangelisches Krankenhaus Düsseldorf

    Düsseldorf, Germany

  • Evangelisches Krankenhaus Hagen-Haspe

    Hagen, Germany

  • Kerckhoff-Klinik Bad Nauheim

    Bad Nauheim, Germany

  • Klinikum Fürth

    Fürth, Germany

  • Medizinische Hochschule Hannover

    Hanover, Germany

  • Montreal Heart Institute

    Montreal, Quebec, Canada

  • St. Josefs-Hospital Wiesbaden

    Wiesbaden, Germany

  • Universitätsklinikum Frankfurt am Main

    Frankfurt am Main, Germany

  • Universitätsklinikum Hamburg-Eppendorf

    Hamburg-Eppendorf, Germany

  • Universitätsklinikum Heidelberg

    Heidelberg, Germany

  • Vancouver General Hospital

    Vancouver, British Columbia, Canada

  • Vivantes Klinikum am Urban

    Berlin, Germany