Ablation vs Drug Therapy for Atrial Fibrillation - Pilot Trial "CABANA"


Phase N/A Results

Eligibility Criteria

Inclusion Criteria

- Have documented AF, which warrants active drug or ablative treatment
- Be eligible for both catheter ablation and at least 2 sequential anti-arrhythmic drugs and/or 3 sequential rate control drugs
- Be >65 yrs of age, or <65 yrs with one or more of the following risk factors for stroke: Hypertension, Diabetes, Congestive heart failure (including systolic or diastolic heart failure), Prior stroke or transient ischemic attack, Left atrium >4.5 cm, ejection fraction <35% by echocardiogram, radionuclide evaluation or contrast ventriculography

Exclusion Criteria

- Previously failed 2 or more membrane active anti-arrhythmic drugs
- Efficacy failure of a full dose Amiodarone trial of >12 weeks duration
- Any amiodarone therapy in the past three months
- Reversible causes of AF including thyroid disorders, acute alcohol intoxication, recent major surgical procedures, or trauma
- Lone atrial fibrillation in the absence of risk factors for stroke in patients <65 years of age
- Recent cardiac events including myocardial infarction, percutaneous intervention, or valve or coronary bypass surgery in the preceding 3 months
- Hypertrophic obstructive cardiomyopathy
- Class IV angina or congestive heart failure
- Planned heart transplantation
- Other mandated anti-arrhythmic drug therapy
- Heritable arrhythmias or increased risk for "torsade de pointes" (a specific, rare variety of ventricular tachycardia) with class I or III drugs
- Prior left atrial catheter ablation with the intention to treat AF
- Patients with other arrhythmias requiring ablative therapy
- Prior surgical interventions for AF such as the MAZE procedure
- Prior atrioventricular nodal ablation
- Medical conditions limiting expected survival to <1 year
- Contraindication to warfarin anti-coagulation
- Women of childbearing potential
- Participation in any other clinical mortality trial
- Unable to give informed consent