Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Comparing two techniques for treating persistent atrial fibrillation

Official title: Comparison Between VEin of MArshall Ethanol Infusion Versus Extended Pulmonary Vein PULSEd Field Ablation After Failed Pulmonary Vein Isolation in Patients with Persistent Atrial Fibrillation

Run by AZ Sint-Jan AV · NCT06383975 · Data updated 2026-11-12

This study is testing two different ways to treat ongoing atrial fibrillation to see which method works better at keeping heart rhythms steady.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment100 (estimated)
SponsorAZ Sint-Jan AV
Academic / other
Locations1 site (Bruges)
StatusRecruiting
StartedMay 15, 2024
Main results expectedApril 30, 2027
Study endsApril 30, 2027
Registry record updatedOctober 9, 2024
Trial IDNCT06383975 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are individuals experiencing symptomatic persistent atrial fibrillation despite having undergone a previous pulmonary vein isolation procedure.

Probably not a fit

Patients with persistent atrial fibrillation lasting more than 12 months or those with significant heart conditions may 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 compare two different ablation techniques for patients suffering from persistent atrial fibrillation, a condition characterized by irregular and rapid heart rhythms. One technique uses pulsed field energy to create scars in the heart, while the other employs traditional radiofrequency ablation. Participants will undergo one of these procedures and will be monitored for one year to assess the effectiveness of each method in preventing the recurrence of atrial fibrillation. Regular check-ups and heart rhythm monitoring will be conducted to gather data on the outcomes.

Why it matters

Potential benefit: If successful, this study could provide a more effective treatment option for patients with persistent atrial fibrillation, potentially reducing the recurrence of their condition.

How similar studies have gone: Other studies have shown promise with similar ablation techniques, but this specific comparison of pulsed field ablation and ethanolization is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Symptomatic persistent atrial fibrillation (AF) despite a first PVI. Persistent AF is defined as the presence of AF lasting ≥7 days (i.e. in case of new onset AF one has to wait for 7 days)

Exclusion Criteria:

* Persistent AF lasting ≥ 12 months
* Advanced valvular heart disease
* Left atrial (LA) volume \>150mL
* LA diameter (PS-LAX) \>60mm
* Septal wall diameter \>15mm
* Life expectancy \<1 year
* Weight \>150 kg
* Any contra indication to catheter ablation

Where it's running

  • AZ Sint-Jan Brugge AV
    Bruges, Belgium
    Recruiting

Study contacts

Similar studies

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

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.