Please assess the completion status of the following clinical trial:

Trial Title: Use of Fish Oils to Prevent Atrial Mechanical Stunning and Atrial Remodeling Due to Atrial Arrhythmia

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:~* Chronic atrial flutter requiring radiofrequency ablation.~* Chronic atrial fibrillation requiring internal cardioversion.~Exclusion Criteria:~* Sinus rhythm.~* Pregnancy.~* Patients \> 80 years and \< 18 years of age

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: t

Study Arms:
- Control (Type: NO_INTERVENTION): No fish oil
- Fish oil (Type: EXPERIMENTAL): Patients prescribed 6g/day of fish oil containing 1.8g EPA+DHA in a 1.5:1 ratio

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