| FREEDOM - M: Oral Treprostinil as Monotherapy for the Treatment of Pulmonary Arterial Hypertension (PAH) (NCT00325403) | United Therapeutics | 2006-10-01 |
| Placebo Controlled Trial of Bosentan in Scleroderma Patients (NCT00377455) | Georgetown University | 2006-09-01 |
| Investigation of Dysynchrony in Patients With Pulmonary Hypertension (NCT01571700) | Stanford University | 2006-09-01 |
| The "Power 15 Study": Safety Study of Inhalation of Ventavis With the Power Disc-15 Setting (NCT00467896) | Actelion | 2006-09-01 |
| Inhaled Aerosolized Prostacyclin for Pulmonary Hypertension Requiring Inhaled Nitric Oxide (NCT02170519) | Duke University | 2006-09-01 |
| Safety, Efficacy and Treatment Satisfaction in Patients With PAH Rapidly Switched From Epoprostenol to Remodulin (NCT00373360) | United Therapeutics | 2006-09-01 |
| Dose Determination Safety and Activity Study of Inhaled NX1011 to Treat Pulmonary Arterial Hypertension (NCT00323024) | NITROX, LLC | 2006-09-01 |
| Safety and Efficacy Study of Ambrisentan in Subjects With Pulmonary Hypertension (NCT00380068) | Gilead Sciences | 2006-08-01 |
| Effect of Bosentan on Exercise Capacity at High Altitude (NCT00432978) | VA Loma Linda Health Care System | 2006-07-01 |
| Hydroxyurea for Children and Young Adults With Sickle Cell Disease and Pulmonary Hypertension (NCT00350844) | Ann & Robert H Lurie Children's Hospital of Chicago | 2006-07-01 |
| Hypertension Study of Ventavis® Inhalation Therapy in the Treatment of Patients With Pulmonary Arterial Hypertension (VENIS) (NCT01062282) | Bayer | 2006-07-01 |
| Pulmonary Hypertension in Patients With Sickle Cell Disease in Nigeria (NCT00367523) | National Heart, Lung, and Blood Institute (NHLBI) | 2006-06-15 |
| Exercise-induced Pulmonary Hypertension in Patients With Sickle-cell Anemia (NCT00948012) | Federal University of São Paulo | 2006-06-01 |
| To Provide Sildenafil Therapy To Eligible Adult Patients With Pulmonary Arterial Hypertension For 112 Weeks (NCT00946114) | Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 2006-06-01 |
| Inhaled Prostacyclin for Adult Respiratory Distress Syndrome (ARDS) and Pulmonary Hypertension (NCT00314548) | Aga Khan University | 2006-05-01 |
| Efficacy and Safety of Bosentan in Sickle Cell Disease (SCD) Patients Diagnosed With Pulmonary Hypertension (PH) (NCT00313196) | Actelion | 2006-04-01 |
| Efficacy and Safety of Bosentan in Sickle Cell Disease (SCD) Patients With Pulmonary Arterial Hypertension (PAH) (NCT00310830) | Actelion | 2006-03-01 |
| A Study of Patients Having Pulmonary Hypertension Associated With Sickle Cell Disease and Completing an ASSET Study (NCT00360087) | Actelion | 2006-03-01 |
| REVEAL Registry™: Registry to Evaluate Early And Long-term PAH Disease Management (NCT00370214) | Actelion | 2006-03-01 |
| Sleep Disturbances and Pulmonary Artery/Aorta Diameter in Scleroderma Patient (NCT00566137) | Northwell Health | 2006-02-01 |
| Insights Into Pediatric Pulmonary Hypertension: A Real-World Registry of Epidemiology and Outcomes (NCT07495774) | Guangdong Provincial People's Hospital | 2006-01-04 |
| Bosentan in Patients With Inoperable Chronic Thromboembolic Pulmonary Hypertension (CTEPH) (NCT00319111) | Actelion | 2006-01-01 |
| Phosphodiesterase-5 (PDE5) Inhibition and Pulmonary Hypertension in Diastolic Heart Failure (NCT01156636) | University of Milan | 2006-01-01 |
| Hydroxyurea and Erythropoietin to Treat Sickle Cell Anemia (NCT00270478) | National Heart, Lung, and Blood Institute (NHLBI) | 2005-12-21 |
| Simvastatin as a Treatment for Pulmonary Hypertension (NCT00180713) | Imperial College London | 2005-10-01 |
| Natrecor for Pulmonary Hypertension in Lung Transplants (NCT00205426) | University of Wisconsin, Madison | 2005-08-01 |
| NO Need to Ventilate: A Trial of Non-invasive Inhaled Nitric Oxide in Persistent Pulmonary Hypertension of the Newborn (NCT00139217) | Emory University | 2005-08-01 |
| Using Health-related Quality of Life (HRQL) in Routine Clinical Care (NCT00457301) | University of Alberta | 2005-07-01 |
| Genetic Research of Bone Morphogenetic Protein Receptor-II Gene in Taiwanese Patient With Primary Pulmonary Hypertension (NCT00173537) | National Taiwan University Hospital | 2005-07-01 |
| Pharmacogenomics in Pulmonary Arterial Hypertension (NCT00593905) | West Penn Allegheny Health System | 2005-07-01 |
| Clinical Investigation Into Inhaled Treprostinil Sodium in Patients With Severe Pulmonary Arterial Hypertension (PAH) (NCT00147199) | United Therapeutics | 2005-06-01 |
| Serotonin Transporter Inhibitor Escitalopram in Pulmonary Hypertension (NCT00190333) | Assistance Publique - Hôpitaux de Paris | 2005-06-01 |
| Phase 2 Study of Ambrisentan for Liver Function Test Rescue in Pulmonary Arterial Hypertension (NCT00423592) | Gilead Sciences | 2005-05-01 |
| Iloprost-Study: Comparison of Nitric Oxide to Iloprost (Ventavis) for Treatment of Pulmonary Hypertension in Children After Cardiopulmonary Bypass Surgery (NCT00235521) | Heidelberg University | 2005-05-01 |
| Inhaled Iloprost in Adults With Abnormal Pulmonary Pressure and Associated With Idiopathic Pulmonary Fibrosis (NCT00109681) | Actelion | 2005-04-01 |
| Does Oral Sildenafil (Viagra) Decrease Mean Pulmonary Artery Pressure After Cardiac Surgery? (NCT00334490) | Unity Health Toronto | 2005-03-01 |
| A Pilot Study of Chronic Red Blood Cell Transfusion in Sickle Cell Disease-Associated Pulmonary Hypertension (NCT00850369) | University of North Carolina, Chapel Hill | 2005-02-01 |
| Losartan Therapy in Pulmonary Hypertension (NCT00519870) | Baskent University | 2005-01-01 |
| Trial of Iloprost Inhaled Solution as Add-On Therapy With Bosentan in Subjects With Pulmonary Arterial Hypertension (PAH) (NCT00086463) | Actelion | 2004-06-01 |
| Efficacy and Safety of Oral Bosentan in Pulmonary Arterial Hypertension Class II (NCT00091715) | Actelion | 2004-04-01 |
| ARIES - Ambrisentan in Patients With Moderate to Severe Pulmonary Arterial Hypertension (PAH) (NCT00091598) | Gilead Sciences | 2004-01-01 |
| Sildenafil and Pulmonary Artery Pressure (NCT00145938) | University of Chicago | 2003-09-01 |
| The Efficacy and Safety of Sildenafil Citrate Used in Combination With Intravenous Epoprostenol in PAH (NCT00159861) | Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 2003-07-01 |
| Vasoactive Intestinal Peptide in COPD (NCT00464932) | Medical University of Vienna | 2003-06-01 |
| Safety and Efficacy Study of Sitaxentan Sodium (Thelin™) in Patients With Pulmonary Arterial Hypertension (NCT00080457) | Encysive Pharmaceuticals | 2003-05-01 |
| Phase 2 Extension Study of Ambrisentan in Pulmonary Arterial Hypertension (NCT00424021) | Gilead Sciences | 2003-04-01 |
| Effect of Brief Nebulization of Milrinone on Pulmonary Arterial Pressure Before Cardiopulmonary Bypass on Mitral Valve Surgery Patients (NCT01621971) | Konkuk University Medical Center | 2003-01-01 |
| Study to Assess the Longterm Safety of Sildenafil Citrate in Patients With Pulmonary Arterial Hypertension (NCT00159887) | Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 2002-12-01 |
| A Transition Study From Flolan® to Remodulin® in Patients With Pulmonary Arterial Hypertension (NCT00058929) | United Therapeutics | 2002-10-01 |
| Study of BSF 208075 Evaluating Exercise Capacity in Patients With Pulmonary Arterial Hypertension (NCT00046319) | Gilead Sciences | 2002-09-01 |
| Nitric Oxide and Transfusion Therapy for Sickle Cell Patients With Pulmonary Hypertension (NCT00023296) | National Heart, Lung, and Blood Institute (NHLBI) | 2001-07-27 |
| Idiopathic Pre-capillary Pulmonary Hypertension in ESKD Patients (NCT02743091) | Toujinkai Hospital | 2001-01-01 |
| The Role of Endothelin in Pulmonary Hypertension (NCT00759408) | Brigham and Women's Hospital | 1999-02-01 |
| Phase III Randomized Study of UT-15 in Patients With Primary Pulmonary Hypertension (NCT00004497) | United Therapeutics | 1998-10-01 |
| Giessen Pulmonary Hypertension Registry and Biobank (NCT04145024) | University of Giessen | 1993-07-01 |
| Evaluation of Patients With Known or Suspected Heart Disease (NCT00001313) | National Heart, Lung, and Blood Institute (NHLBI) | 1992-05-10 |
| Study of the Effect of Four Methods of Cardiopulmonary Resuscitation Instruction on Psychosocial Response of Parents With Infants at Risk of Sudden Death (NCT00004805) | National Center for Research Resources (NCRR) | 1991-09-01 |
| Infusion of Allogeneic Mesenchymal Stem Cells in Patients With Diffuse Cutaneous Systemic Sclerosis With Refractory Pulmonary Involvement (NCT04432545) | Universidad de la Sabana | |
| Expanded Access for Patients With Pulmonary Hypertension Associated With Pulmonary Fibrosis (NCT05356052) | Bellerophon | |
| Safety and Efficacy of Sitaxsentan in the Treatment of Pulmonary Arterial Hypertension (NCT00034307) | ICOS-Texas Biotechnology | |
| Inhaled Treprostinil Expanded Access Program in Pulmonary Hypertension Associated With Interstitial Lung Disease (NCT05572996) | Ferrer Internacional S.A. | |