Please assess the completion status of the following clinical trial:

Trial Title: Advair® DISKUS® Versus Serevent® DISKUS® For Chronic Obstructive Pulmonary Disease Exacerbations

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

Eligibility Criteria:
Inclusion criteria:~* Diagnosis of COPD.~* Current or previous cigarette smokers with a smoking history of at least 10 pack-years.~* History of at least 1 COPD exacerbation in the 12 months prior to screening.~* Forced expiratory volume in one second (FEV1) of less than or equal to 50% of predicted normal.~Exclusion criteria:~* Diagnosis of asthma.~* Additional respiratory disorders other than COPD (eg, sarcoidosis, alpha-1 antitrypsin deficiency, cystic fibrosis, or active tuberculosis).~* Concurrent use of long-acting beta-agonists, long-acting anticholinergics, inhaled and oral corticosteroids, theophylline, investigational medications, ritonavir, and anti-leukotrienes.~* Lung resection surgery within 1 year of screening.~* Abnormal and clinically significant ECG findings at screening.~* Other inclusion and exclusion criteria will be evaluated at the first study visit.

- Gender: ALL
- Minimum Age: 40 Years
- Maximum Age: None
- Healthy Volunteers: f

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