Which ablation device works best for irregular heartbeat? large trial aims to find out

NCT ID NCT07456540

Not yet recruiting Disease control Sponsor: Rigshospitalet, Denmark Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study will compare different pulse field ablation systems used to treat atrial fibrillation (AF), a common heart rhythm problem. Over 1,100 patients will receive one of the standard treatments depending on the time period they are treated. Researchers will track whether AF returns within 12 months and check for complications within 30 days. The goal is to find out which system is safest and most effective.

What this could mean

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

Active substance: Pulse field ablation systems (devices used during catheter ablation)
What this could lead to: If successful, this could identify which ablation system works best to prevent atrial fibrillation from returning, improving treatment choices.
What could go wrong: This is an early-stage comparison study, not a test of a new cure. Results may show no clear winner, and individual outcomes vary.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

atrial fibrillation

As listed by the trial registrant

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

ATRIAL FIBRILLATION

Contacts and locations

Locations

Rigshospitalet

Copenhagen, 2100, Denmark

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