Efficacy of Helium/Oxygen Compared to Air/Oxygen in Severe Exacerbation of Chronic Obstructive Pulmonary Disease (COPD)
Stopped the observed event rate is lower than expected by the protocol hypothesis.
Conditions
- Chronic Obstructive Pulmonary Disease
Interventions
- DRUG: Helium/Oxygen 78%/22%
- DRUG: Air/Oxygen
Sponsor
Air Liquide Santé International