| Recruiting | 3 | 1000 | Europe, Canada, US, RoW | Ralinepag, APD811, Placebo | United Therapeutics | PAH, Pulmonary Hypertension, Pulmonary Arterial Hypertension, Hypertension, Connective Tissue Diseases, Familial Primary Pulmonary Hypertension, Vascular Diseases, Cardiovascular Diseases, Hypertension, Pulmonary, Lung Diseases, Respiratory Tract Disease | 12/24 | 12/24 | | |
