Summary: Pulmonary Arterial Hypertension is a rare and progressive condition that compromises pulmonary circulation and can lead to right ventricular failure. Despite recent advances in diagnosis and treatment, the median survival of patients is only 2.8 years. The treatment for this disease is based on drugs that act on three main pathways: prostacyclin, endothelin, and nitric oxide. Iloprost, a prostacyc...

Summary: The purpose of this clinical trial is to investigate the efficacy and safety of continuous intravenous administration of low dose iloprost versus placebo for 72-hours, in 450 mechanically ventilated patients with infectious respiratory failure. The study hypothesis is that iloprost may be beneficial as an endothelial rescue treatment as it is anticipated to deactivate the endothelium and restore v...