| Not Yet Recruiting | TEPH: Telaglenastat Efficacy in Pulmonary Hypertension NCT07223528 | Chan, Stephen, MD, PhD | Phase 1 / Phase 2 |
| Not Yet Recruiting | A Feasibility Study of Supplemental Oxygen to Improve Pulmonary Hypertension in People With Intradialytic Hypo NCT06327373 | Duke University | Phase 1 / Phase 2 |
| Recruiting | Bridge to Lung Transplant With Trans-septal Extra-corporeal Membrane Oxygenation (ECMO) for Right Heart Failur NCT06770023 | Mayo Clinic | Phase 1 |
| Not Yet Recruiting | Portosystemic Shunt-associated Pulmonary Hypertension Multi-center Prospective Cohort Study NCT07481877 | Chinese Pulmonary Vascular Disease Research Group | — |
| Not Yet Recruiting | An Open-Label Extension Study of Treprostinil Palmitil Inhalation Powder (TPIP) in Participants With Pulmonary NCT07234032 | Insmed Incorporated | Phase 3 |
| Not Yet Recruiting | A Randomized Placebo-procedure Controlled Trial of the Enhancor System (PULmonary Artery Denervation) to Evalu NCT07214376 | Pulnovo Medical, Inc. | N/A |
| Recruiting | Pulmonary Hypertension and Oxygen Saturation Targeting in Preterm Infants NCT06373289 | University of Alabama at Birmingham | N/A |
| Not Yet Recruiting | Reverse Remodeling of the Pulmonary Vasculature: a Longitudinal, Investigational Study of the Effects of Sotat NCT07487441 | Franz Rischard, DO | — |
| Recruiting | The Impact of IV Iron on Exercise Capacity and Quality of Life in Pulmonary Hypertension NCT07359599 | Ziekenhuis Oost-Limburg | Phase 4 |
| Recruiting | Efficacy and Safety Study of Treprostinil Palmitil Inhalation Powder (TPIP) in Participants With Pulmonary Hyp NCT07179380 | Insmed Incorporated | Phase 3 |
| Recruiting | A Study of Mosliciguat in Combination With Inhaled Treprostinil in PH-ILD NCT07333183 | Pulmovant, Inc. | Phase 2 |
| Recruiting | Accuracy of Smartwatches in Measuring Oxygen Levels in Patients With Pulmonary Hypertension: A Pilot Study NCT07311135 | Golden Jubilee National Hospital | — |
| Not Yet Recruiting | European Registry of Acutely Decompensated Pulmonary Arterial Hypertension NCT06923917 | Assistance Publique - Hôpitaux de Paris | — |
| Recruiting | Observational Study of Patients Undergoing Diagnostic Right Heart Catheterization NCT07224906 | HemoCept Inc. | — |
| Not Yet Recruiting | A Multicenter Study on the Normal Reference Range and Clinical Significance of the Right Atrioventricular Coup NCT07292896 | First Hospital of China Medical University | — |
| Recruiting | A Study to Learn About the Study Medicine (Called PF-07868489) in People With Pulmonary Arterial Hypertension NCT07073820 | Pfizer | Phase 2 |
| Not Yet Recruiting | Efficacy of Inhaled Nitric Oxide in Congenital Diaphragmatic Hernia NCT07247240 | Asan Medical Center | Phase 4 |
| Not Yet Recruiting | Echocardiographic Assessment of Pulmonary Hypertension in Obstructive Sleep Apnea NCT07184060 | Assiut University | — |
| Recruiting | 129 Xenon Imaging in Patients Treated With Sotatercept NCT06351345 | Bastiaan Driehuys | Phase 2 |
| Enrolling By Invitation | Pulmonary Hypertension Inspiratory Training NCT06931886 | University of Arizona | N/A |
| Enrolling By Invitation | Efficacy and Tolerance of Treatment With Bevacizumab for Severe Liver Involvement With High Cardiac Output in NCT07445347 | Poitiers University Hospital | — |
| Not Yet Recruiting | Effects of Inhaled Treprostinil on Exercise Performance in Exercise Induced Pulmonary Hypertension NCT07116681 | University of California, San Diego | EARLY_Phase 1 |
| Not Yet Recruiting | Pulmonary Arterial Hypertension and Associated Cardiovascular Disease Detection Using Artificial Intelligence NCT07147725 | Imperial College London | — |
| Recruiting | Safety and Efficacy of FETO in CDH Phase III NCT07187206 | Children's Hospital Medical Center, Cincinnati | Phase 3 |
| Not Yet Recruiting | Cardiovascular Complications in Patients Undergoing Allogeneic Hematopoietic Stem Cell Transplantation. NCT07157670 | Assistance Publique - Hôpitaux de Paris | — |
| Recruiting | Is the Two-minute Step Test an Alternative to the Six-minute Walk Test in Pulmonary Hypertension? NCT07193173 | Saglik Bilimleri Universitesi | — |
| Recruiting | Londrina Activities of Daily Living Protocol in Pulmonary Hypertension NCT07206173 | Saglik Bilimleri Universitesi | — |
| Not Yet Recruiting | Clinical, Radiological, Tissue and Biological Phenotyping for the Analysis of the Transition From Physiology t NCT07184671 | Assistance Publique Hopitaux De Marseille | — |
| Not Yet Recruiting | Neuromodulation in Patients With Pulmonary Arterial Hypertension NCT06802380 | University of Oklahoma | Phase 1 / Phase 2 |
| Recruiting | Validation of a Patient Knowledge Questionnaire for Pulmonary Hypertension NCT07120789 | University of Sao Paulo General Hospital | N/A |
| Recruiting | Prospective Validation of the Novel PVD-B65 Risk Score in Patients With Chronic Lung Disease and Pulmonary Hyp NCT07151768 | Temple University | — |
| Recruiting | Clinical Registry for the Characterization of the 'Pulmonary Vascular Phenotype' in Patients With Chronic Obst NCT07102823 | Medical University of Graz | — |
| Not Yet Recruiting | Study of HS235 in Obese Patients With Pulmonary Hypertension and Heart Failure With Preserved Ejection Fractio NCT07123779 | 35Pharma Inc | Phase 1 |
| Not Yet Recruiting | Evaluation of Feasibility of Ultrasonography Guided Pulmonary Artery Catheterization in Pulmonary Hypertension NCT07154927 | Mostafa K. Ahmed | — |
| Recruiting | Controlled Remote Monitoring and Optimization of Oxygen Therapy in Preterm Infants NCT07161908 | Institute of Health Information and Statistics of the Czech Republic | N/A |
| Recruiting | Rutgers University Study of the Genetics of Pulmonary Hypertension NCT07217522 | Rutgers, The State University of New Jersey | — |
| Not Yet Recruiting | Screening and Phenotyping of Pulmonary Hypertension in Heart Failure With Preserved Ejection Fraction . NCT07082400 | Sohag University | N/A |
| Recruiting | Sildinafil in Pulmonary Hypertension-Rheumatic Chronic Valvular Disease(RCT) NCT07462260 | Sindh Institute of Cardiovascular Diseases | Phase 2 / Phase 3 |
| Not Yet Recruiting | Invasive and Non-invasive Haemodynamic Assessment of Pulmonary Hypertension in Chronic Kidney Disease Patient NCT07052968 | Assiut University | — |
| Active Not Recruiting | Multi-site Study of the Clinical Impact of an AI-assisted Approach to Referring Patients With Interstitial Lun NCT06911632 | Tempus AI | N/A |
| Recruiting | Feasibility Trial for a Right Ventricular Failure Platform Trial NCT06570473 | University of Alberta | Phase 2 |
| Recruiting | PH-DyPred: A Multimodal Dynamic Risk Prediction Study in Pulmonary Hypertension NCT07131241 | First Affiliated Hospital of Fujian Medical University | — |
| Recruiting | Multicenter Study on the Development of Pulmonary Arterial Hypertension Screening Models Based on Artificial I NCT07236970 | Alejandro Cruz Utrilla | — |
| Recruiting | Preliminary Human Trials of F230 Tablets NCT06899815 | Beijing Continent Pharmaceutical Co, Ltd. | Phase 1 |
| Active Not Recruiting | Understanding the Effects of Pulmonary Arterial Hypertension on Lean Muscle Mass NCT07132788 | University of Pennsylvania | — |
| Not Yet Recruiting | Perioperative Risk Factors Related to the Prognosis of Lung Transplantation: A Retrospective Study NCT06922916 | Zhejiang University | — |
| Recruiting | Cardiovascular Risk in Children With Chronic Conditions Study NCT07086989 | Semmelweis University | — |
| Recruiting | Real-World Study of PADN for the Treatment of PAH NCT07039604 | Pulnovo Medical (Wuxi) Co., Ltd. | — |
| Not Yet Recruiting | Prognostic Value of Vitamin D and Intact Parathyroid Hormone (iPTH) in Pulmonary Hypertension NCT06872710 | Universidad Complutense de Madrid | — |
| Recruiting | Study on the Treatment of Nonthrombotic Obstructive Pulmonary Hypertension NCT06980584 | Beijing Chao Yang Hospital | N/A |
| Recruiting | Wearable Assessment of Thoracic, Cardiac Health and Exercise Performance Trial NCT06671171 | The University of Hong Kong | — |
| Terminated | Study of HS135 in Obese Patients With Pulmonary Hypertension and Heart Failure With Preserved Ejection Fractio NCT06581159 | 35Pharma Inc | Phase 1 |
| Recruiting | DeciPHer-ILD: A Real-world Patient Registry in Group 3 Pulmonary Hypertension Associated With Interstitial Lun NCT06388421 | United Therapeutics | — |
| Recruiting | Real World Observational Study of Sotatercept for Pulmonary Hypertension NCT06751082 | Mayo Clinic | — |
| Completed | Construction of Clinical Diagnostic Model for Pulmonary Hypertension NCT06979011 | RenJi Hospital | — |
| Recruiting | Bioenergetic Effect of Pioglitazone in CLD-PH NCT06336798 | Emory University | Phase 2 |
| Recruiting | Trial to Evaluate Safety And Effectiveness of Mechanical Circulatory Support in Patients With Advancing Heart NCT06526195 | Abbott Medical Devices | N/A |
| Recruiting | Inhaled Nitric Oxide for the Treatment of Neonatal Hypoxic Respiratory Failure With Pulmonary Hypertension NCT07099144 | Lee's Pharmaceutical Limited | — |
| Recruiting | Hemodynamic Assessment of underLying myocyTe Function in Right Heart Failure NCT06299436 | Johns Hopkins University | — |
| Enrolling By Invitation | Evaluation of the Progression of Disease and Health-related Quality of Life in Patients With Pulmonary Hyperte NCT06703801 | Chinese University of Hong Kong | — |
| Active Not Recruiting | A Study of Mosliciguat in PH-ILD NCT06635850 | Pulmovant, Inc. | Phase 2 |
| Not Yet Recruiting | Dapagliflozin in Mangement of Pulmonary Hypertension Patients NCT06612086 | Assiut University | Phase 1 |
| Recruiting | NeoDoppler: New Ultrasound Technology for Continuous Monitoring of Cerebral Circulation Pilot NCT06646250 | St. Olavs Hospital | — |
| Recruiting | Developing the Probability Algorithm for Pulmonary Hypertension Echocardiography NCT06386185 | Royal United Hospitals Bath NHS Foundation Trust | — |
| Recruiting | A Study of TX000045 in Patients With Pulmonary Hypertension Secondary to Heart Failure With Preserved Ejection NCT06616974 | Tectonic Therapeutic | Phase 2 |
| Recruiting | Continuous Effect Of Rehabilitation Training On Pulmonary Arterial Hypertension Patients NCT07149935 | RenJi Hospital | N/A |
| Recruiting | Mechanisms of Pulmonary Vascular Dysfunction in Heart Failure NCT06331208 | Institute for Clinical and Experimental Medicine | — |
| Completed | Impact Of Using LevosemidanVersus DobutamineOn Right Ventricular Function In AdultPatients Undergoing Elective NCT07416331 | Helwan University | — |
| Not Yet Recruiting | FIBRotic Interstitial Lung Disease With Nocturnal hypOXaemia and EXercise Induced desaTuRAtion NCT06416163 | Guy's and St Thomas' NHS Foundation Trust | — |
| Not Yet Recruiting | Discovering Clinical Study Experiences of Patients With Pulmonary Hypertension NCT05918458 | Power Life Sciences Inc. | — |
| Recruiting | Institutional Registry of Rare Diseases NCT06573723 | Hospital Italiano de Buenos Aires | — |
| Completed | Study for Evaluation of Safety and Efficacy of PADN to Treat Combined Post- and Pre- Capillary Pulmonary Hyper NCT05996562 | Pulnovo Medical (Wuxi) Co., Ltd. | N/A |
| Recruiting | Pulmonary Artery DenerVation Clinical Study Using the Gradient Denervation System in Heart Failure Patients Wi NCT06495970 | Gradient Denervation Technologies | N/A |
| Recruiting | Interoceptive Intervention for Pulmonary Hypertension NCT06443580 | Golden Jubilee National Hospital | N/A |
| Active Not Recruiting | Association Between Biomarkers and Kidney Function Decline in Pulmonary Hypertension NCT06409624 | University of Giessen | — |
| Completed | Right Ventricular Function in Patients Taking Carfilzomib NCT06568952 | Central Hospital, Nancy, France | — |
| Recruiting | Electrical Impedance Tomography for Assessment of Pulmonary Hypertension NCT07453017 | University of Sao Paulo General Hospital | N/A |
| Recruiting | Mobile Internet-based Remote Home Rehabilitation Improves Prognostic Function and Life Quality in Pulmonary Hy NCT06362382 | China-Japan Friendship Hospital | N/A |
| Recruiting | Digital Assessment of Real-World Walking Activity in Pulmonary Hypertension: A Prospective Multicenter Trial NCT07137260 | Simon Jäger | — |
| Recruiting | Circulating MrgD in Pulmonary Hypertension NCT06365372 | Qilu Hospital of Shandong University | — |
| Recruiting | iTONE Trial (exercIse Training in pulmONary hypertEnsion) Exercise Program for Pediatric PH NCT05442671 | Children's Hospital of Philadelphia | N/A |
| Completed | Non-Invasive Lung Water Monitoring in Pulmonary Hypertension NCT06942871 | Shanghai Zhongshan Hospital | — |
| Recruiting | Breathe Easier With Tadalafil Therapy for Dyspnea in COPD-PH NCT05937854 | VA Office of Research and Development | Phase 2 |
| Active Not Recruiting | Circulating Activin-A and FSTL3 in Precapillary Pulmonary Hypertension NCT07253363 | Assistance Publique - Hôpitaux de Paris | N/A |
| Recruiting | Validation of a Machine Learning Predictive Model to Distinguish Post-capillary Pulmonary Hypertension NCT06405126 | KU Leuven | — |
| Recruiting | Hemodynamic Effect of Nasal High-flow in Patients Suspected or Followed for a Precapillary Pulmonary Hypertens NCT06079151 | ADIR Association | N/A |
| Unknown | Inhaled Nitric Oxide for ARDS-related Pulmonary Hypertension NCT06249633 | Yuri Matusov | EARLY_Phase 1 |
| Recruiting | Tadalafil for Severe Pulmonary Hypertension Due to Chronic Obstructive Pulmonary Disease NCT05844462 | Assistance Publique - Hôpitaux de Paris | Phase 3 |
| Unknown | Effect of Tourniquet Binding of Cervical on the Blood Volume of Amniotic Fluid in Cesarean Section NCT06254092 | First People's Hospital of Chenzhou | N/A |
| Recruiting | Feasibility of Semaglutide in Advanced Lung Disease NCT05746039 | University of Pennsylvania | Phase 1 / Phase 2 |
| Completed | Hyperoxia During Pulmonary Rehabilitation in Chronic Lung Disease - Does it Matter? NCT06174207 | Eastern Switzerland University of Applied Sciences | N/A |
| Recruiting | LEVosimendan to Improve Exercise Limitation in Patients With PH-HFpEF NCT05983250 | Tenax Therapeutics, Inc. | Phase 3 |
| Suspended | Exercise Training to Improve Cardiopulmonary Hemodynamics in Heart Failure Patients NCT04909008 | Mayo Clinic | N/A |
| Active Not Recruiting | An Open-Label ProSpective MultiCENTer Study to Evaluate Safety and Tolerability of Dry Powder Inhaled Treprost NCT06129240 | Liquidia Technologies, Inc. | — |
| Withdrawn | ADOPT: Improving Diagnosis of Pulmonary Hypertension With AI and Echo NCT06145880 | Royal United Hospitals Bath NHS Foundation Trust | — |
| Active Not Recruiting | Improving Pulmonary Hypertension Screening by Echocardiography NCT06038149 | Royal United Hospitals Bath NHS Foundation Trust | — |
| Recruiting | Safety and PK-PD Study of Oral L-CIT in Preterm Infants with BPD±PH and NEC NCT05636397 | The Hospital for Sick Children | N/A |
| Not Yet Recruiting | Connective Tissue Disease Patients With Pulmonary Hypertension NCT05980728 | The First Affiliated Hospital with Nanjing Medical University | — |
| Terminated | Integrating ePReBMs From Phoenix in Respiratory Diseases NCT05827302 | University of Alberta | N/A |
| Withdrawn | Rivet PVS Therapy in Group 2 PH-HFpEF Canada NCT05332873 | NXT Biomedical | N/A |
| Unknown | Pulmonaryhypertension in Copd at Different Levels of Smoking NCT06031311 | Assiut University | — |
| Active Not Recruiting | Assessment of the Cerebral Perfusion During the Period of Deep Hypothermia at 18°C in Patient Undergoing Pulmo NCT06250374 | Fondation Hôpital Saint-Joseph | N/A |
| Recruiting | Right Ventricular Response to Exercise Among Patients With Chronic Obstructive Pulmonary Disease NCT05896579 | University of Colorado, Denver | N/A |
| Recruiting | A Trial to Evaluate the Safety and Efficacy of Pulmonary Artery Denervation for the Treatment of Pulmonary Hyp NCT05824923 | Pulnovo Medical (Wuxi) Co., Ltd. | Phase 3 |
| Recruiting | Pulmonary Hypertension Screening in Patients With Interstitial Lung Disease for Earlier Detection NCT05776225 | United Therapeutics | — |
| Completed | Acute Responses of Active Video Games and Traditional Exercise Program in in Patients With Pulmonary Hypertens NCT05901168 | Dokuz Eylul University | N/A |
| Recruiting | Pulmonary Hypertension in Left Heart Disease NCT05935605 | Mayo Clinic | — |
| Recruiting | Pulmonary Hypertension Observational Study NCT05958901 | The First Affiliated Hospital of Guangzhou Medical University | — |
| Recruiting | Development of an Algorithm to Detect Pulmonary Hypertension Using an Electronic Stethoscope NCT05873387 | Eko Devices, Inc. | — |
| Recruiting | Diaphragmatic Function as a Biomarker NCT05903001 | RWTH Aachen University | — |
| Completed | Self-help Booklets for Depression in Adults With Pulmonary Hypertension. NCT05726669 | Cardiff University | N/A |
| Withdrawn | Efficacy of Phosphodiesterase-type 5 Inhibitors in Patients With Univentricular Congenital Heart Disease NCT03997097 | University Hospital, Montpellier | Phase 3 |
| Unknown | Pulmonary Artery Denervation in Patients With Atrial Fibrillation and Group 2 of Pulmonary Hypertension NCT05856461 | Meshalkin Research Institute of Pathology of Circulation | N/A |
| Active Not Recruiting | An Extension Study of Treprostinil Palmitil Inhalation Powder (TPIP) for Pulmonary Hypertension Associated Wit NCT05649722 | Insmed Incorporated | Phase 2 / Phase 3 |
| Active Not Recruiting | A Phase 2a Study of LAM-001 for the Treatment of Pulmonary Hypertension NCT05798923 | OrphAI Therapeutics | Phase 2 |
| Completed | Inhaled Versus Intravenous Milrinone for Patients Undergoing Mitral Valve Replacement Surgery NCT05838846 | Menoufia University | Phase 2 / Phase 3 |
| Completed | Pulmonary Hypertension on Prognosis of Acute Myocardial Infarction Patients With Reduced Left Ventricular Func NCT06186713 | First Affiliated Hospital Xi'an Jiaotong University | — |
| Active Not Recruiting | Frespaciguat (MK-5475) INSIGNIA-PH-COPD: A Study of the Efficacy and Safety of Frespaciguat (an Inhaled sGC St NCT05612035 | Merck Sharp & Dohme LLC | Phase 2 |
| Unknown | A Mechanistic Study of Inhaled Nitric Oxide in COPD NCT05785195 | Ting YANG | N/A |
| Unknown | Monitoring of the Influence of Approved PH-therapies RV-PA Coupling NCT05935865 | University of Giessen | — |
| Completed | Incidence of Acute Kidney Injury and Risk Factors in Newborns With Congenital Diaphragmatic Hernia NCT06050525 | Karolinska Institutet | — |
| Recruiting | Urban-training Intervention in Pulmonary Hypertension (UTHAP) NCT05523557 | Hospital Clinic of Barcelona | N/A |
| Completed | Novel Index (PIMR) in PAH NCT05812976 | University of California, Los Angeles | — |
| Unknown | Telerehabilitation Program Via Videoconference PAH - Randomized Clinical Trial NCT05655481 | University of Nove de Julho | N/A |
| Completed | Cognitive Behavioral Therapy and Light Therapy NCT05337943 | University of Pennsylvania | N/A |
| Completed | PIMR and Pulmonary Vascular Disease NCT05843461 | University of California, Los Angeles | — |
| Completed | A Study to Evaluate the Safety and Tolerability of Treprostinil Palmitil Inhalation Powder in Participants Wit NCT05176951 | Insmed Incorporated | Phase 2 |
| Recruiting | Antiphospholipid Syndrome and Postpartum Pulmonary Artery Pressure NCT05679206 | Insel Gruppe AG, University Hospital Bern | — |
| Withdrawn | Chlorhexidine Mouthwash and Oral Nitrate in Adults With Pulmonary Hypertension NCT03787082 | Gladwin, Mark, MD | Phase 1 |
| Withdrawn | Remote Exercise Program Delivery Using a Mobile Application for Pulmonary Arterial Hypertension NCT04559516 | University of Calgary | N/A |
| Unknown | A Study to Evaluate the Efficacy, Safety and Tolerability of PDNO Infusion in Patients With Pulmonary Hyperten NCT05699486 | Attgeno AB | Phase 2 |
| Active Not Recruiting | The Role of miRNA in Group 3 Pulmonary Hypertension NCT06714136 | IRCCS Azienda Ospedaliero-Universitaria di Bologna | — |
| Recruiting | A Trial of Phosphodiesterase-5 Inhibitor in Neonatal Congenital Diaphragmatic Hernia (TOP-CDH) NCT05201144 | University of Utah | Phase 2 |
| Unknown | RV Systolic and Diastolic Function and Contractile Reserve Under Acute Exercise and in Response to Chronic Exe NCT04188756 | University of Giessen | N/A |
| Completed | First-in-human Trial to Evaluate the Safety, Tolerability and Pharmacokinetics of C106 in Healthy Subjects NCT05427253 | Vicore Pharma AB | Phase 1 |
| Recruiting | Artificial Intelligence-assisted Evaluation of Pulmonary HYpertension NCT05566002 | Chinese Pulmonary Vascular Disease Research Group | — |
| Withdrawn | Rivet PVS Therapy in Group 2 PH-HFpEF NCT05205265 | NXT Biomedical | N/A |
| Unknown | Ventilation and Perfusion Scan in Pulmonary Embolism Following Catheter Directed Thrombectomy Versus Anticoagu NCT05133713 | University of Arizona | — |
| Completed | Investigation of H01 in Adults With Pulmonary Hypertension Including Interstitial Lung Disease (The SATURN Stu NCT05128929 | Stanford University | Phase 2 |
| Completed | Visa-versa! Breaking Instead of Pushing the Pedals-A NCT05186987 | University of Zurich | N/A |
| Completed | Dynamic Mixed Learning Module in Pulmonary Hypertension Patients NCT07429552 | Acibadem University | N/A |
| Unknown | Pulmonary Hypertension in Extremely Preterm Infants NCT05136235 | Universitair Ziekenhuis Brussel | N/A |
| Unknown | Comparison of Different Cardiac Output Measurement Methods in Patients Undergoing Right Heart Catheterization NCT05665218 | UOSD Emodinamica Diagnostica e Interventistica | — |
| Withdrawn | Pulmonary Vascular Hemodynamics Before and After Mitral Valve Procedures NCT04947384 | University of Alabama at Birmingham | — |
| Recruiting | Inflammatory Profiling in Chronic Lung Disease NCT04654767 | Ludwig Boltzmann Institute for Lung Vascular Research | — |
| Unknown | Pregnant Women With Pulmonary Hypertension in China NCT05198206 | First Affiliated Hospital of Chongqing Medical University | — |
| Completed | 4D-flow Cardiac MRI to Assess Pulmonary Arterial Pressure in Pulmonary Hypertension NCT05103189 | Centre Hospitalier Universitaire, Amiens | N/A |
| Unknown | Exercise Right Ventricular Coupling in HFpEF NCT05731466 | Universitaire Ziekenhuizen KU Leuven | N/A |
| Completed | Network Medicine Approaches to Classify Heart Failure With PReserved Ejection Fraction by Signatures of DNA Me NCT05475028 | University of Campania Luigi Vanvitelli | — |
| Completed | Effectiveness and Tolerance of Respiratory Rehabilitation in Pulmonary Hypertension Associated With Chronic Ob NCT07202793 | Poitiers University Hospital | — |
| Recruiting | Xenon MRI Pulm Hypertension NCT04991454 | Bastiaan Driehuys | Phase 2 |
| Completed | Evaluation of the Usefulness of Adopting Remote, Mobile-based 6MWT Among Hospital Outpatients (the 6-APPnow), NCT05096819 | Oxford University Hospitals NHS Trust | — |
| Recruiting | Safety Surveillance of Targeted Drugs for Pulmonary Hypertension Using a Computerized Follow-up System: a Nati NCT05372263 | China National Center for Cardiovascular Diseases | — |
| Completed | Acute Assessment of the Aria CV System in Patients With WHO Groups 2 and 3 Pulmonary Hypertension NCT05001711 | Aria CV, Inc | N/A |
| Recruiting | Heart Institute Biobank & Registry for Adult Congenital Heart Disease and Related Disorders NCT07477197 | Children's Hospital Medical Center, Cincinnati | — |
| Recruiting | Postcapillary Blood Gas Analysis in Wedge Position (Wedge-BGA) NCT04993612 | Ayham Daher | — |
| Completed | Assessment of Peripheral Veins Doppler Ultrasound for Diagnosis of Acute Right Heart Failure in Suspicion or F NCT04792879 | Poitiers University Hospital | N/A |
| Unknown | Remote Exercise Testing in Patients With Pulmonary Hypertension NCT05299463 | Golden Jubilee National Hospital | N/A |
| Completed | Pulmonary Hypertension and Measurement of Exercise Capacity Remotely NCT04903704 | Sheffield Teaching Hospitals NHS Foundation Trust | N/A |
| Unknown | Genetics of Pulmonary Hypertension NCT05550389 | Gazi University | — |
| Recruiting | PET/MR Pre- and Post Radiotherapy for Cardiopulmonary Dysfunction Evaluation NCT04901884 | University Health Network, Toronto | N/A |
| Withdrawn | A Study to Evaluate the Efficacy, Safety and Tolerability of PDNO Infusion in COVID-19 Patients With Acute Pul NCT04885491 | Attgeno AB | Phase 1 / Phase 2 |
| Completed | Right Atrial Fibrosis in Pulmonary Hypertension NCT04663230 | University of Giessen | — |
| Completed | StratosPHere (Non-interventional Study) NCT05767918 | Papworth Hospital NHS Foundation Trust | — |
| Recruiting | Treatment of Pulmonary Arterial Hypertension Using the Aria CV Pulmonary Hypertension System NCT04555161 | Aria CV, Inc | N/A |
| Unknown | Prognostic Value of the Right Ventricular Function by Portable Ultrasound in Patients With Pulmonary Hypertens NCT05343091 | Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran | — |
| Completed | Medication Reconciliation in Pulmonary Hypertension NCT04744584 | Assistance Publique - Hôpitaux de Paris | — |
| Completed | A First-in-Human Study to Assess the Safety and Tolerability of PDNO NCT04891354 | Attgeno AB | Phase 1 |
| Recruiting | Prospective Registry and Biobank for Long-term Observational Studies in Adult Patients with Pulmonary Hyperten NCT04654650 | Universitätsklinikum Hamburg-Eppendorf | — |
| Terminated | A Study of Ralinepag to Evaluate Effects on Exercise Capacity by CPET in Subjects With WHO Group 1 PH NCT04084678 | United Therapeutics | Phase 3 |
| Completed | Comparison of Vasodilator Response of Inhaled Epoprostenol and Inhaled Nitric Oxide NCT04231084 | Brigham and Women's Hospital | Phase 4 |
| Recruiting | CVD/PH and Voice Characteristics NCT07311044 | Mayo Clinic | — |
| Recruiting | Evaluating Infrasonic Hemodynography NCT04636892 | Scripps Health | N/A |
| Unknown | Telerehabilitation in Patients With Pulmonary Hypertension NCT04683822 | Marmara University | N/A |
| Unknown | Correlation of Right Atrial Strain With Pulmonary Hypertension, Right Ventricular Function And Outcome In Pedi NCT05699681 | Post Graduate Institute of Medical Education and Research, Chandigarh | — |
| Unknown | A Real-World Registry Investigating TReprostInil sodiUM in Pulmonary Hypertension (Re-TRIUMPH) NCT05553015 | Chinese Pulmonary Vascular Disease Research Group | — |
| Active Not Recruiting | Characteristics of Pulmonary Vascular Changes in Patients With Kidney Transplantation NCT04842591 | Medical University of Graz | — |
| Terminated | A Study to Assess Pulsed Inhaled Nitric Oxide in Subjects With Pulmonary Fibrosis at Risk for Pulmonary Hypert NCT03267108 | Bellerophon Pulse Technologies | Phase 3 |
| Recruiting | Study Roles of Heavy Metals and Essential Metal Dyshomeostasis in Pulmonary Arterial Hypertension Patients NCT04756076 | Jiapeng Huang | — |
| Completed | Recognition of Heart Failure With Micro Electro-Mechanical Sensors (REFLECS) NCT04378179 | Francois Haddad | — |
| Unknown | Anesthesia for Upper Endoscopy and Colonoscopy in Cardiac Patients With Acute Anemia NCT04857450 | King Saud University | N/A |
| Completed | Impact of Face Masks on 6MWD in Patients With Pulmonary Hypertension NCT05256082 | University Hospital of Cologne | N/A |
| Terminated | Developing Optimal Parameters for Hyperpolarized Noble Gas and Inert Fluorinated Gas MRI of Lung Disorders NCT02748798 | Thunder Bay Regional Health Research Institute | EARLY_Phase 1 |
| Recruiting | Hyperpolarized 129Xe MR Imaging of Lung Function in Healthy Volunteers and Subjects With Pulmonary Disease NCT04624490 | Mario Castro, MD, MPH | Phase 1 |
| Unknown | PGI2 Versus Nitroglycerine for Management of Pulmonary Hypertension After Valve Surgeries NCT04594629 | Ain Shams University | Phase 1 |
| Completed | Treatment of PH With Angiotensin II Receptor Blocker and Neprilysin Inhibitor in HFpEF Patients With CardioMEM NCT04753112 | Germans Trias i Pujol Hospital | Phase 3 |
| Unknown | Selexipag for the Treatment of Schistosomiasis-Associated Pulmonary Arterial Hypertension NCT04589390 | University of Sao Paulo General Hospital | Phase 2 |
| Unknown | Evaluation of the Strength of Handgrip in Patients With Pulmonary Artery Hypertension NCT05447390 | Gazi University | N/A |
| Completed | Ketones for Pulmonary Hypertension - Effects on Hemodynamics NCT04615754 | University of Aarhus | Phase 2 |
| Recruiting | Pulmonary Hypertension Biorepository and Registry NCT04808596 | University of Kansas Medical Center | — |
| Unknown | Anxiety Self-management Intervention for Pulmonary Hypertension NCT04450862 | University of Sheffield | N/A |
| Unknown | Glucocorticoids and Pulmonary Hypertension NCT04499196 | Washington University School of Medicine | — |
| Terminated | Differential Diagnosis of Pulmonary Hypertension With Automated Image Analysis NCT04329312 | Medical University of Graz | — |
| Completed | Frespaciguat (MK-5475) in Participants With Pulmonary Hypertension Associated With Chronic Obstructive Pulmona NCT04370873 | Merck Sharp & Dohme LLC | Phase 1 |
| Active Not Recruiting | Physiological-based Cord Clamping in Congenital Diaphragmatic Hernia NCT04373902 | Erasmus Medical Center | N/A |
| Completed | Cardiac Dysfunction in Critically Ill Covid-19 Patients NCT06197256 | Region Stockholm | — |
| Unknown | Prevalence, Phenotypes, Predictors and Prognostic Implication of Obstructive Sleep Apnea in Pulmonary Hyperten NCT05595200 | Chinese Pulmonary Vascular Disease Research Group | — |
| Completed | Cardiac Dysfunction in Critically Ill Patients With COVID-19 NCT04524234 | Sahlgrenska University Hospital | — |
| Unknown | Evaluation of Echocardiographic Indices and Blood Biomarkers in Group 1 Pulmonary Hypertension NCT04279145 | Assiut University | N/A |
| Withdrawn | Haemodynamic Abnormalities Recorded With Cardiac Catheterization Along With Body's Surface Micro-accelerometer NCT03821766 | Erasme University Hospital | — |
| Recruiting | PVRI GoDeep Global Deep Phenotyping Meta-Registry for Pulmonary Hypertension NCT05329714 | University of Giessen | — |
| Recruiting | Feasibility of Novel Clinical Trial Infrastructure, Design and Technology for Early Phase Studies in Patients NCT04078243 | Sheffield Teaching Hospitals NHS Foundation Trust | — |
| Recruiting | CHASE Registry of Patients With Pulmonary Hypertension Receiving Targeted Therapy NCT06135909 | Chinese Pulmonary Vascular Disease Research Group | — |
| Suspended | Screening of Pulmonary Hypertension in Methamphetamine Abusers NCT04019600 | The University of Hong Kong | — |
| Active Not Recruiting | Activity Monitoring in Pulmonary Hypertension NCT04101630 | Vanderbilt University Medical Center | — |
| Completed | CPAP Therapy in Obstructive Sleep Apnea Patients With Pulmonary Hypertension NCT04769635 | Zagazig University | N/A |
| Enrolling By Invitation | A Study Evaluating the Long-Term Efficacy and Safety of Ralinepag in Subjects With PAH Via an Open-Label Exten NCT03683186 | United Therapeutics | Phase 3 |
| Unknown | Persistent Pulmonary Hypertension After Percutaneous Mitral Commissurotomy NCT04083729 | Assiut University | N/A |
| Terminated | Evaluating Right Ventricular (RV) Size and Function Using the Upper Valley RV Algorithm and Novel Imaging Moda NCT03935178 | Dartmouth-Hitchcock Medical Center | — |
| Completed | Quantitative Dual Energy Computed Tomography in Pulmonary Hypertension NCT03901287 | University Hospital, Bordeaux | N/A |
| Unknown | Clinical Study of Adipose Derived Mesenchymal Stem Cells for Treatment of Pulmonary Arterial Hypertension NCT04055415 | Liaocheng People's Hospital | Phase 1 / Phase 2 |
| Completed | Predictors of Pulmonary Hypertension in Patients With Hypersensitivity Pneumonitis NCT05458635 | Cairo University | N/A |
| Unknown | A Comparative Study of Three Modes of Ventilation During CPB in Pediatrics With Pulmonary Hypertension Undergo NCT04262037 | Cairo University | N/A |
| Terminated | L-citrulline and Pulmonary Hypertension Associated With Bronchopulmonary Dysplasia NCT03542812 | University of Utah | EARLY_Phase 1 |
| Terminated | Inhaled Nitric Oxide for Pulmonary Hypertension and Bronchopulmonary Dysplasia NCT03576885 | AdventHealth | Phase 1 / Phase 2 |
| Unknown | Inspiratory Muscle Training in Pulmonary Arterial Hypertension NCT04197388 | Golden Jubilee National Hospital | N/A |
| Completed | Thoracic Bio-reactance Measurement of Cardiac Output in Pulmonary Hypertension NCT03890627 | Hospices Civils de Lyon | — |
| Unknown | Effects of Treprostinil on Right Ventricular Structure and Function in Patients With Pulmonary Arterial Hypert NCT03835676 | Magdi H. Yacoub | Phase 4 |
| Completed | Preoperative Pulmonary Systolic Pressure and Outcome After Non-cardiac Surgery:Threshold Analysis NCT03974919 | Peking University First Hospital | — |
| Terminated | Prognostic Impact of the Evolution of PAH 3 Months After TAVI (HTP-TAVI) NCT04008550 | University Hospital, Rouen | N/A |
| Completed | Quality of Life Assessed With the PAH SYMPACT Questionnaire NCT03905421 | Mayo Clinic | — |
| Unknown | Assessment of Cardiac Function Using Combined Cardiovascular Magnetic Resonance and Cardiopulmonary Exercise T NCT04729777 | Royal Free Hospital NHS Foundation Trust | — |
| Completed | Neuregulin-1 in Patient With Different Forms of Cardiovascular Diseases: a Pilot Study NCT04391491 | I.M. Sechenov First Moscow State Medical University | — |
| Recruiting | Metformin for Pulmonary Hypertension HFpEF NCT03629340 | University of California, San Francisco | Phase 2 |
| Terminated | Effects of Automated Oxygen Titration Alone or With High Flow Nasal Therapy on Dyspnea and Exercise Tolerance NCT05267418 | Laval University | N/A |
| Unknown | Neural Respiratory Drive in Pulmonary Hypertension NCT04293640 | Golden Jubilee National Hospital | — |
| Completed | A Dose Escalation Study to Assess the Safety and Efficacy of Pulsed Inhaled Nitric Oxide in Subjects With Pulm NCT03727451 | Bellerophon | Phase 2 |
| Active Not Recruiting | Peripheral Systemic Thrombolysis Versus Catheter Directed Thrombolysis for Submassive PE NCT03581877 | Northwell Health | Phase 4 |
| Terminated | Inhaled Treprostinil in Participants With Pulmonary Hypertension Due to Chronic Obstructive Pulmonary Disease NCT03794583 | United Therapeutics | Phase 3 |
| Completed | Effects of Ground-based Walking Training in Pulmonary Hypertension NCT03762577 | Istanbul University | N/A |
| Unknown | Sildenafil in Hemodialysis Patients With Pulmonary Hypertension NCT03763045 | Ain Shams University | Phase 2 / Phase 3 |
| Completed | Pulmonary Hypertension in Haemodialysis Patients :Frequency and Risk Factors NCT03310229 | Assiut University | — |
| Unknown | Novel Quantitative Magnetic Resonance Imaging (MRI) Measures in the Assessment and Follow-up of Patients With NCT04088279 | Royal Brompton & Harefield NHS Foundation Trust | N/A |
| Unknown | Rehabilitation for Patients With Pulmonary Hypertension NCT03955016 | KU Leuven | N/A |
| Completed | Enteral L Citrulline Supplementation in Preterm Infants - Safety, Efficacy and Dosing NCT03649932 | The University of Texas Medical Branch, Galveston | Phase 1 |
| Unknown | Arrhythmias in Pulmonary Hypertension Assessed by Continuous Long-term Cardiac Monitoring NCT04554160 | Rigshospitalet, Denmark | — |
| Withdrawn | CompRehensive Phenotypic Characterization of Patients With Scleroderma-Associated ILD and PH NCT03726398 | Franz Rischard, DO | Phase 2 / Phase 3 |
| Completed | A Study Evaluating the Efficacy and Safety of Ralinepag to Improve Treatment Outcomes in PAH Patients NCT03626688 | United Therapeutics | Phase 3 |
| Completed | Acute Exposure of Simulated Hypoxia on Pulmonary Artery Pressure and Right Heart Function (Echo) NCT03637088 | University of Zurich | N/A |
| Completed | Atrial Septal Defect - Exercise Capacity and Pulmonary Hypertension NCT03565471 | University of Aarhus | — |
| Completed | Acute Exposure of Simulated Hypoxia on Blood and Tissue Oxygenation (aBGA, NIRS) NCT03637114 | University of Zurich | N/A |
| Completed | Acute Exposure to Simulated Hypoxia on Exercise Capacity NCT03592927 | University of Zurich | N/A |
| Recruiting | Autologous Stem Cell Transplantation in Patients With Systemic Sclerosis NCT03630211 | Paul Szabolcs | Phase 2 |
| Recruiting | Development of Novel Physiological CMR Methods in Health and Disease NCT03854071 | Sheffield Teaching Hospitals NHS Foundation Trust | N/A |
| Completed | Non-invasive Diagnosis of Pulmonary Hypertension by Impedance Cardiography NCT03876509 | Medical University of Graz | — |
| Completed | ADAMTSL4 in Idiopathic Pulmonary Hypertension and CTEPH NCT05478226 | Wei Huang | — |
| Completed | Acute Exposure of Simulated Hypoxia on Heart Rate and Ventilation During Exercise NCT03592979 | University of Zurich | N/A |
| Completed | Acute Exposure of High Altitude on Cardiac Output NCT03637218 | University of Zurich | N/A |
| Completed | Acute Exposure to High Altitude on Pulmonary Artery Pressure and Right Heart Function (Echo) NCT03637166 | University of Zurich | N/A |
| Completed | Acute Exposure of Simulated Hypoxia on ECG and Non-invasive Blood Pressure NCT03581851 | University of Zurich | N/A |
| Completed | Acute Exposure of Simulated Hypoxia on Pulmonary Artery Pressure and Right Heart Function (Echo) Under Exercis NCT03637140 | University of Zurich | N/A |
| Completed | Acute Excposure of High Altitude on ECG and Non-invasive Blood Pressure. NCT03593083 | University of Zurich | N/A |
| Completed | Acute Exposure to High Altitude on Exercise Capacity NCT03637153 | University of Zurich | N/A |
| Completed | Acute Exposure to High Altitude on Symptoms NCT03593005 | University of Zurich | N/A |
| Completed | Acute Exposure of Simulated Hypoxia on Cognitive Function NCT03637127 | University of Zurich | N/A |
| Completed | Acute Exposure of High Altitude on Cognitive Function NCT03637192 | University of Zurich | N/A |
| Completed | Acute Exposure to High Altitude on Pulmonary Artery Pressure and Right Heart Function (Echo) Under Exercise NCT03637179 | University of Zurich | N/A |
| Completed | Acute Exposure to High Altitude on Blood and Tissue Oxygenation (ABGA, NIRS) NCT03600415 | University of Zurich | N/A |
| Completed | Acute Exposure to High Altitude on Heart Rate and Ventilation During Exercise NCT03593096 | University of Zurich | N/A |
| Completed | Phosphodiesterase Type-5 Inhibitor Therapy in Sickle Cell People With Pulmonary Hypertension NCT03572036 | National Heart, Lung, and Blood Institute (NHLBI) | — |
| Completed | Effects of Cardiorespiratory Rehabilitation on the Right Ventricle in Pulmonary Hypertension NCT03404492 | Centre Hospitalier Universitaire de Nice | N/A |
| Completed | Idiopathic Bronchiectasis and Pulmonary Hypertension NCT03883048 | Shanghai Pulmonary Hospital, Shanghai, China | — |
| Unknown | Endothelial Biomarkers of Systemic Sclerosis-associated Pulmonary Hypertension NCT03459716 | Louisiana State University Health Sciences Center in New Orleans | — |
| Terminated | A Phase 3 Adaptive Study to Evaluate the Safety and Efficacy of Inhaled Treprostinil in Participants With Pulm NCT03496623 | United Therapeutics | Phase 3 |
| Completed | Acute Exposure of Simulated Hypoxia on Cardiac Output NCT03574675 | University of Zurich | N/A |
| Completed | Catheter Ablation of Atrial Fibrillation in Patients With Pulmonary Hypertension Hypertension: a Randomised St NCT04053361 | General University Hospital, Prague | N/A |
| Completed | Non-Invasive and Invasive Assessment of Heart Filling Pressure NCT07512310 | University Hospital, Essen | — |
| Unknown | Sildenafil in US Heart Failure Patients (SilHF-US) NCT03460470 | Hartford Hospital | Phase 3 |
| Completed | Evaluation of a New 6 Minute Walk Test Smartphone App in Patients With Pulmonary Hypertension NCT04633538 | Oxford University Hospitals NHS Trust | — |
| Recruiting | China Pulmonary Vascular Disease Intervention Diagnosis and Management Study-right Heart Catheterization NCT06954727 | China-Japan Friendship Hospital | — |
| Recruiting | New Orleans Pulmonary Hypertension Biobank NCT03269630 | Louisiana State University Health Sciences Center in New Orleans | — |
| Unknown | A Study to Assess Pulsed Inhaled Nitric Oxide in Subjects With Pulmonary Hypertension Associated With Pulmonar NCT05747508 | Bellerophon | Phase 2 |
| Withdrawn | Efficacy and Safety of Upfront Combination of ΒΟsentan and ΤΑdalafil in Pulmonary Arterial Hypertension NCT03139084 | Elpen Pharmaceutical Co. Inc. | — |
| Completed | Data Collection Study for the Spectrum Dynamics Multi-purpose CZT SPECT Camera NCT03438123 | Spectrum Dynamics | N/A |
| Unknown | Cardiac Speckle Tracking Myocardial Strain Balance NCT03464591 | RenJi Hospital | — |
| Withdrawn | Efficacy and Safety of Combination Ambrisentan and Tadalafil in Patients With Portopulmonary Hypertension NCT03309592 | Ochsner Health System | Phase 4 |
| Completed | Inspiratory Muscle Training in Pulmonary Hypertension NCT03385733 | Istanbul University | N/A |
| Completed | Effect of Inhaled Albuterol in Pulmonary Hypertension NCT03270332 | University of Miami | Phase 2 |
| Completed | Novel Echocardiographic Methods for Early Identification of Neonates at Risk for Chronic Pulmonary Hypertensio NCT04402645 | Mount Sinai Hospital, Canada | — |
| Completed | A Study of Oral Nitrate in Adults With Pulmonary Hypertension With Heart Failure and Preserved Ejection Fracti NCT02980068 | Gladwin, Mark, MD | Phase 1 |
| Completed | VentaProst Versus Conventionally-Administered Aerosolized Epoprostenol in Patients Undergoing Cardiac Surgery NCT03122730 | Aerogen Pharma Limited | Phase 2 |
| Terminated | Impedancemetry in Patients Monitored for Pulmonary Hypertension NCT03673774 | University Hospital, Toulouse | N/A |
| Terminated | Oral Treprostinil in Subjects With Pulmonary Hypertension Associated With Heart Failure With Preserved Ejectio NCT03037580 | United Therapeutics | Phase 3 |
| Completed | Registry of Preterm Newborns With Severe Pulmonary Hypertension NCT03310346 | University of Colorado, Denver | — |
| Terminated | Outpatient Vasodilator Assessment Using Iloprost in Pulmonary Hypertension NCT03044314 | Duke University | Phase 4 |
| Completed | The Prophet Trial -Pilot Study to Assess Safety and Efficacy of a Novel Atrial Flow Regulator (AFR) in Patient NCT03022851 | Occlutech International AB | N/A |
| Completed | Platelet Reactivity and Treatment With Prostacyclin Analogues in Pulmonary Arterial Hypertension NCT04578223 | Medical University of Warsaw | — |
| Withdrawn | Cardiopulmonary Interactions in Patients With Heart Failure NCT03317314 | Hannover Medical School | — |
| Completed | Effect of Normobaric Hypoxia and Hyperoxia in Patients With Pulmonary Hypertension NCT03195959 | University of Zurich | — |
| Completed | Urban Zen Integrative Therapy for Persons With Pulmonary Hypertension NCT03194438 | Ohio State University | N/A |
| Unknown | The Safety and Efficiency of Sildenafil in the Treatment of Severe Post-capillary Pulmonary Hypertension Cause NCT03185364 | Chinese Academy of Medical Sciences, Fuwai Hospital | N/A |
| Unknown | Registry for Chronic Obstructive Pulmonary Disease With Pulmonary Hypertension in China NCT03185572 | Chinese Academy of Medical Sciences, Fuwai Hospital | — |
| Unknown | Integrated Computational modelIng of Right Heart Mechanics and Blood Flow Dynamics in Congenital Heart Disease NCT03217240 | National Heart Centre Singapore | — |
| Completed | Retrospective Data Analysis of Data From the Zurich PH Registry NCT03198910 | University of Zurich | — |
| Completed | Erythrocyte Glutamine Level Relation to Pulmonary Hypertension Risk in Beta Thalassemia Major Children NCT03133169 | Assiut University | — |
| Recruiting | Pulmonary Hypertension Registry Switzerland NCT05610631 | University of Zurich | — |
| Unknown | Perioperative Portal Vein Pulsatility as a Postoperative Prognostic Indicator in Pulmonary Endarterectomy NCT03197792 | Centre Chirurgical Marie Lannelongue | N/A |
| Recruiting | Registration Study for Rare Type of Pulmonary Hypertension NCT03169010 | China National Center for Cardiovascular Diseases | — |
| Completed | Acute Response of Iloprost Inhalation Using the Breelib Nebulizer in Pulmonary Arterial Hypertension NCT03365479 | University of Giessen | N/A |
| Terminated | Postural Changes During Right Heart Catheterization NCT03089164 | University of North Carolina, Chapel Hill | — |