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PARADISONCT07910825

Paroxysmal Atrial Fibrillation Repeat Ablation Strategies With Durably Isolated Pulmonary Veins

StatusNot Yet Recruiting
PhaseNot applicable
Primary completion (estimated)
Track this trial

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Record History

All 2 versions: 2 with changes below.

  1. Start date pushed from Sep 2026 to Dec 2026
  2. Study First Submitted
  • Notable: the plan changed

Endpoints

Primary

Freedom from recurrent atrial arrhythmia lasting >/= 30 seconds
Timeframe: Days 57 to 365 from repeat procedure.

Secondary (5)

Procedure duration
Composite of major procedure-related complications
Emergency Room visits or re-hospitalizations
Repeat Catheter Ablation procedure
Atrial Fibrillation Effect on Quality of Life

Arms and interventions

Tailored StrategyExperimental

Homogenizing left atrium/atrial (LA) low voltage areas (LVAs), ablating inducible supraventricular tachycardia (SVTs), and if no abnormality is identified, performing empiric posterior wall isolation (PWI )followed by cavotricuspid isthmus (CTI) ablation (if successful CTI ablation not performed previously).

Control StrategyOther

Widening wide area circumferential ablation (WACA) lines and cavotricuspid isthmus (CTI) ablation if not successfully performed previously.

Procedures: Tailored Strategy, Control Strategy

Sites

1 site in 1 country

  • University of Ottawa Heart InstituteOttawa, Ontario, Canada