Primary Outcomes
Measure: Survival (based on all-cause mortality) at Day 29 Time: Baseline, Day 29
Secondary Outcomes
Measure: Number of days free of mechanical ventilation at Day 29 Time: Baseline, Day 29
Measure: Change from baseline in SpO2/FiO2 at Day 29 Time: Baseline, Day 29
Measure: Duration of intensive care unit stay at Day 29 Time: Baseline, Day 29
Measure: Change from baseline in Sequential Organ Failure Assessment at Day 29 Time: Baseline, Day 29
Measure: Survival (based on all-cause mortality) at Day 60 and Day 90 Time: Baseline, Day 60, Day 90
Measure: Duration of hospitalization Time: Baseline, Day 29