Please assess the completion status of the following clinical trial:

Trial Title: Study of Ablation Versus antiaRrhythmic Drugs in Persistent Atrial Fibrillation

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Patients with persistent atrial fibrillation (more than 7 days, or less than 7 days needing pharmacologic or electric cardioversion)~Exclusion Criteria:~* Hypo or hyperthyroidism~* Persistent atrial fibrillation lasting more than 1 year or non-defined duration~* Hypertrophic myocardiopathy~* Implantable defibrillation or pacemaker implanted~* Moderate or severe mitral valve disease or mitral prosthetic valve~* Ejection fraction less than 30%~* Left atrial anteroposterior diameter more than 50 mm.~* Previous atrial fibrillation ablation~* Contraindication to anticoagulation~* Left atrium thrombus~* Current infective disease or sepsis~* Pregnant women~* Current unstable angor~* Acute myocardial infarction in last 3 months~* Atrial fibrillation secondary to ionic disturbance, thyroids disease or secondary to any other reversible or non cardiovascular disease~* Reduced expectancy of life (less than 12 months)~* Patient participating in another clinical study that investigates a drug or device~* Psychologically unstable patient or denies to give informed consent~* Any cause that contraindicate ablation procedure or antiarrhythmic drug

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 70 Years
- Healthy Volunteers: f

Study Arms:
- Atrial Fibrillation Ablation (Type: EXPERIMENTAL): None
- Drug therapy (Type: ACTIVE_COMPARATOR): None

Based on this trial design, predict the completion outcome and termination type (if applicable).