Please assess the completion status of the following clinical trial:

Trial Title: Evaluation Of The Efficacy Of Corticosteroids In Patients With An Acute Exacerbation Of Chronic Obstructive Pulmonary Disease Receiving Ventilator Support

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

Eligibility Criteria:
Inclusion Criteria:~* Adult patients (age \> 18 years) admitted to participating ICUs with:~  1. Primary diagnosis of COPD exacerbation defined as the presence of two or more of the following clinical features: worsening dyspnea, increase in sputum purulence, increase in sputum volume~ 2. respiratory failure \[pH \< 7,35 with a PaCO2 \> 45 mm Hg and respiratory rate more than 23 breaths per minute\] requiring mechanical ventilation, invasive or non-invasive mechanical ventilation.~Exclusion Criteria:~1. Primary diagnosis of asthma exacerbation.~2. History of asthma or atopy.~3. Use of systemic corticosteroids within the preceding month.~4. Use of systemic corticosteroids for the treatment of COPD exacerbation at the time of ICU admission for more than 24 hours.~5. Clinical or radiological evidence of pneumonia.~6. Uncontrolled left-ventricular failure (patients with evidence of severe heart failure requiring inotropes or vasoactive drugs).~7. Uncontrolled hypertension arterial (systolic pressure \> 180 mm Hg or diastolic pressure \> 90 mm Hg despite antihypertensive therapy).~8. Uncontrolled diabetes mellitus.~9. Presence of a neuromuscular disease.~10. History of allergy and or adverse reaction to corticosteroids.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- methylprednisolone (Type: EXPERIMENTAL): None
- normal saline solution (Type: PLACEBO_COMPARATOR): None

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