First Line Radiofrequency Ablation Versus Antiarrhythmic Drugs for

Status Active, not recruiting

Clinical Trial Summary

The purpose of this study is to determine if catheter-based atrial fibrillation (AF) ablation is superior to treatment with antiarrhythmic drugs as a first-line therapy for symptomatic persistent AF.

Clinical Trial Description

The burden of atrial fibrillation (AF) on Western countries healthcare systems is steadily increasing, with over 2 million Americans and 4 million Europeans affected by this condition. It is by far the most common sustained arrhythmia encountered in clinical practice, with a striking impact on morbidity and mortality. Achieving a definite cure is highly desirable, as this would have profound social and economic implication. In patients with drug-refractory paroxysmal AF, multiple clinical trials have established the superiority of catheter ablation over further antiarrhythmic drug (AAD) therapy for the long-term maintenance of sinus rhythm, to improve quality of life, and reduce hospitalizations. Recent randomized controlled trials have also demonstrated a beneficial role of catheter ablation as a first-line therapy in patients with paroxysmal AF, with significantly better arrhythmia control and improved quality of life compared to AAD therapy. Patients with symptomatic persistent AF represent a more challenging group to treat, given the overall lower success rate of catheter ablation procedures in this group of patients. Pharmacologic rhythm-control strategies are also less effective in persistent AF, with a substantially increased economic burden given the repeat admissions for electrical cardioversions and AAD initiation/titration. In patients with symptomatic persistent AF who have already failed AADs, catheter ablation has been shown superior to further AAD therapy for sinus rhythm restoration in a recent randomized controlled trial. However, the value of an upstream adoption of catheter ablation for the treatment of symptomatic persistent AF (i.e., before a trial with AADs) is unknown. The purpose of the third Radiofrequency Ablation vs Antiarrhythmic Drugs for Atrial Fibrillation Treatment (RAAFT-3) trial is to determine whether catheter ablation is superior to AAD as a first-line therapy in patients with persistent AF who had not been exposed to antiarrhythmic treatment. ;

Study Design

Related Conditions & MeSH terms

Atrial Fibrillation

Clinical Trial Details

NCT number	NCT04037397
Study type	Interventional
Source	University of Pennsylvania
Contact
Status	Active, not recruiting
Phase	Phase 3
Start date	September 24, 2019
Completion date	March 1, 2025

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

First Line Radiofrequency Ablation Versus Antiarrhythmic Drugs for Persistent Atrial Fibrillation Treatment (RAAFT-3) — RAAFT-3

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms