New heart catheter shows promise for stopping AFib episodes

NCT ID NCT06272981

Completed Disease control Sponsor: Biosense Webster, Inc. Source: ClinicalTrials.gov ↗

First seen Nov 01, 2025 · Last updated May 08, 2026 · Updated 21 times

Summary

This study tested a special catheter and generator system to treat people with paroxysmal atrial fibrillation (AFib), a condition that causes irregular heartbeats. The treatment uses heat energy to isolate the veins that trigger AFib. 135 participants who did not respond to medication were treated. The study measured safety and how well the procedure prevented AFib episodes for up to a year.

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Contacts and locations

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Locations

Canberra Heart Rhythm

Garran, 2605, Australia
McGill University Health Centre

Montreal, Quebec, H3G 1A4, Canada
Montreal Heart Institute

Montreal, Quebec, H1T 1C8, Canada
Royal Prince Alfred Hospital

Camperdown, 2050, Australia
Southlake Regional Health Centre

Newmarket, Ontario, L3Y 2P9, Canada
University of Ottawa Heart Institute

Ottawa, Ontario, K1Y 4W7, Canada
Westmead Hospital

Westmead, 2145, Australia

Conditions

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ATRIAL FIBRILLATION