Clinical Trial

Prospective Evaluation of Biophysical Parameters as Long-term Predictors of Pulmonary Vein Isolation

Study acronym: MERCY
Active, Not Recruiting
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Summary
Current, worldwide assessments of the prevalence of AF estimate that 33 million people are affected by this cardiac arrhythmia. As the most common sustained atrial arrhythmia, AF has a well-established association with systemic embolic events, stroke, heart failure, and increased mortality. Current treatment guidelines and consensus statements for patients with AF suggest that most patients should be first managed with a pharmaceutical drug therapy; however, when a patient becomes drug refractory (intolerant or non-responsive), catheter ablation by PV isolation (PVI) is recommended. The aim of PVI is abolishment of all conducted electrical activity beyond the isolating lesions. The recent NICE guidelines have established that today RF point-by-point ablation is the most cost-effective treatment approach over a lifetime after failure of 1 or more anti-arrhythmic drugs5, but until now a new technology, HELIOSTAR, RF Balloon, has not been included in this cost-effectiveness analysis
Protocol Amendment History 4 amendments
This ClinicalTrials.gov record has been amended 4 times since 2023-03-28; most recent amendment 2026-05-05.
Status change: Recruiting → Active, Not Recruiting 2026-05-05
Trial Details
NCT Number NCT05805189
Lead Sponsor Maria Cecilia Hospital
Conditions Atrial Fibrillation
Enrollment 60 participants
Start Date 2023-02-09
Primary Completion 2025-09-30 (estimated)
Study Completion 2026-09-30 (estimated)
Updated on ClinicalTrials.gov 2026-05-08