New heart tool aims to stop AFib episodes without lifelong drugs

NCT ID NCT06272981

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

First seen Nov 01, 2025 · Last updated May 23, 2026 · Updated 25 times

Summary

This study tested a special catheter and generator system to treat paroxysmal atrial fibrillation (PAF), a condition where the heart beats irregularly. 135 adults with PAF that didn't improve with medication took part. The procedure uses heat energy to isolate the pulmonary veins, which can stop the abnormal signals causing the irregular heartbeat. The goal was to see if the system is safe and effective at controlling the condition without needing long-term drugs.

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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