| StratosPHere (Non-interventional Study) (NCT05767918) | Papworth Hospital NHS Foundation Trust | 2021-04-14 |
| The PAH Platform for Deep Phenotyping in Korean Subjects (NCT03933579) | Gachon University Gil Medical Center | 2018-03-01 |
| A Mobile Health Intervention in Pulmonary Arterial Hypertension (NCT03069716) | Vanderbilt University Medical Center | 2017-08-02 |
| Chronic Thrombo-embolic Pulmonary Hypertension: Classification and Long Term Outcome (NCT02565030) | Sheffield Teaching Hospitals NHS Foundation Trust | 2015-02-01 |
| Physiopathology of Pulmonary Arterial Hypertension: Mechanistic Studies (NCT02959723) | Universitaire Ziekenhuizen KU Leuven | 2015-01-01 |
| Albuterol and Dynamic Hyperinflation in Idiopathic Pulmonary Arterial Hypertension (NCT02108743) | American Medical Association Foundation | 2014-06-01 |
| Exercise Capacity and Quality of Life in Patients With PPH Receiving Short Term Oral L-Citrulline Malate (NCT01683981) | Masih Daneshvari Hospital | 2012-08-01 |
| Efficacy Study of Cardizem in Pulmonary Arterial Hypertension (NCT01645826) | University of South Florida | 2012-07-01 |
| Proof of Concept Study of IMMUNOadsorption Therapy in Patients With Idiopathic Pulmonary Arterial Hypertension (NCT01613287) | Miltenyi Biotec B.V. & Co. KG | 2012-06-01 |
| The Study of Apelin-APJ System on Pulmonary Hypertension Patients and Healthy Subjects (NCT01590108) | Imperial College London | 2012-03-01 |
| Beta-blockers in i-PAH (NCT01246037) | Amsterdam UMC, location VUmc | 2011-02-01 |
| Iron Deficiency In Pulmonary Hypertension (NCT01288651) | Amsterdam UMC, location VUmc | 2011-01-01 |
| Safety and Efficacy Study of Transplantation of EPCs to Treat Idiopathic Pulmonary Arterial Hypertension (NCT00372346) | Zhejiang University | 2006-06-01 |
| Safety and Feasibility of Autologous Endothelial Progenitor Cells Transplantation in Patients With Idiopathic Pulmonary Arterial Hypertension (NCT00641836) | Zhejiang University | 2005-07-01 |
| Comparison of Inhaled Nitric Oxide and Oxygen in Participants Reactivity During Acute Pulmonary Vasodilator Testing (NCT00626028) | Mallinckrodt | 2004-09-01 |
| Safety and Efficacy Study of Transplantation of EPCs to Treat Idiopathic Pulmonary Arterial Hypertension (NCT00257413) | Zhejiang University | |