| Recruiting | High Intensity Interval Training in Patients With a Right Ventricle to Pulmonary Artery Conduit NCT06771687 | Erasmus Medical Center | N/A |
| Active Not Recruiting | Role of 3D Echocardiography Knowledge-based Reconstruction in ACHD NCT06282926 | Guy's and St Thomas' NHS Foundation Trust | — |
| Unknown | Predictors of Aortic Root Dilatation in Tetralogy of Fallot Patients NCT06081855 | Assiut University | — |
| Not Yet Recruiting | Repaired Tetralogy of Fallot: Risc Score From MRI & Clinical Data to Predict the Need for Change of Treatment NCT05916976 | University Medical Center Goettingen | N/A |
| Recruiting | Effects Branch PA Stenting d-TGA, ToF and TA NCT05809310 | UMC Utrecht | N/A |
| Recruiting | Beta-blocker Administration for Cardiomyocyte Division NCT04713657 | Weill Medical College of Cornell University | Phase 1 |
| Unknown | Electroanatomic Interactions Between Transcatheter Pulmonary Valve Prostheses and Anatomic Isthmuses in Repair NCT05236153 | Boston Children's Hospital | N/A |
| Completed | The Role of Dexmedetomidine as Myocardial Protector in Pediatric Cardiac Surgery Total Correction of Tetralogy NCT05579964 | National Cardiovascular Center Harapan Kita Hospital Indonesia | Phase 2 / Phase 3 |
| Unknown | Asynchrony in Operated Tetralogy of Fallot NCT05485545 | University Hospital, Bordeaux | N/A |
| Completed | Contrast Enhanced 3D Echocardiographic Quantification of Right Ventricular Volumes in Repaired CHD NCT05186415 | Nemours Children's Clinic | Phase 1 / Phase 2 |
| Active Not Recruiting | ALTERRA Post-Approval Study NCT05378386 | Edwards Lifesciences | — |
| Recruiting | Pathophysiologic Mechanism for Arrhythmias and Impaired Aerobic Capacity in Tetralogy of Fallot and Other Cong NCT05122962 | Mayo Clinic | — |
| Completed | Lymphatic Magnetic Resonance Imaging Abnormalities in Children With Tetralogy of Fallot: A Case-Control Study NCT06097377 | Rigshospitalet, Denmark | — |
| Recruiting | Repaired Tetralogy of Fallot Italian Registry NCT05288894 | Azienda Ospedaliero, Universitaria Ospedali Riuniti | — |
| Completed | Targeting Normoxia in Neonates With Cyanotic Congenital Heart Disease in the Intra-operative and Immediate Pos NCT04452188 | University of Michigan | N/A |
| Unknown | Impact of NAVA Ventilation on Brain Oxygenation and Perfusion in Children With Congenital Heart Disease NCT04581668 | St. Justine's Hospital | N/A |
| Not Yet Recruiting | Canadian Adult Congenital Heart Disease Intervention Registry NCT04288596 | University Health Network, Toronto | — |
| Completed | Prognostic Value of NLR, TLR, and ALC in Predicting ToF Primary Repair Outcome NCT05976204 | National Cardiovascular Center Harapan Kita Hospital Indonesia | — |
| Recruiting | NIRS in Congenital Heart Defects - Correlation With Echocardiography NCT04106479 | McGill University Health Centre/Research Institute of the McGill University Health Centre | — |
| Active Not Recruiting | PULSTA Transcatheter Pulmonary Valve Pre-Approval Study NCT03983512 | Taewoong Medical Co., Ltd. | N/A |
| Suspended | Exercise Training Strategies for Children With Repaired Tetralogy of Fallot NCT04208893 | The Hospital for Sick Children | N/A |
| Recruiting | Early Versus Later Re-valving in Tetralogy of Fallot With Free Pulmonary Regurgitation NCT04084132 | Rigshospitalet, Denmark | N/A |
| Completed | Analysis of RV-Dysfunction in Fallot Patients NCT03835494 | Klinik für Kardiologie, Pneumologie und Angiologie | N/A |
| Terminated | Pediatric REPlAcement of the PulmonaRy ValvE in Tetralogy of Fallot - NCT03634072 | Children's Hospital of Philadelphia | N/A |
| Active Not Recruiting | Evaluation of the GORE PV1 Device in Patients With Pulmonary Valve Dysfunction NCT03441971 | W.L.Gore & Associates | N/A |
| Unknown | Early Right Ventricular Function After Repair Of Tetralogy Of Fallot , An Evidence Based Study. NCT03470064 | Assiut University | — |
| Unknown | Physical Capacity and Activity in Children With Congenital Heart Disease NCT03275844 | Rodrigo Torres | — |
| Active Not Recruiting | ALTERRA: SAPIEN 3 THV With the Alterra Adaptive Prestent NCT03130777 | Edwards Lifesciences | N/A |
| Unknown | Comparison of RVOT Gradient Under Anaesthesia With Post-operative Gradient in Patients Undergoing TOF Repair NCT03234582 | Post Graduate Institute of Medical Education and Research, Chandigarh | — |
| Unknown | 4D Velocity Mapping of the Heart in rTOF Patients NCT02980614 | Centre Hospitalier Universitaire, Amiens | N/A |
| Unknown | Stress Echo 2020 - The International Stress Echo Study NCT03049995 | Fatebenefratelli Hospital | — |
| Completed | Retrospective Review of Anesthetic Considerations for Pulmonary Artery Rehabilitation NCT02586740 | Aymen N Naguib | — |
| Completed | Early Revalvulation After Fallot Repair Improves Clinical Outcome NCT02534792 | Universitaire Ziekenhuizen KU Leuven | — |
| Completed | Tetralogy of Fallot for Life NCT02968264 | Population Health Research Institute | — |
| Completed | Exercise Training in Adults With Corrected Tetralogy of Fallot NCT02643810 | University Medical Centre Ljubljana | N/A |
| Completed | Effects of Changes in Fluid Status on Right Ventricular Volumes and Function NCT02967315 | University of Wisconsin, Madison | N/A |
| Completed | A Phase I Study of Dexmedetomidine Bolus and Infusion in Corrective Infant Cardiac Surgery: Safety and Pharmac NCT01915277 | Carelon Research | Phase 1 |
| Unknown | Right Ventricular Dysfunction in Tetralogy of Fallot: Inhibition of the Renin-angiotensin-aldosterone System NCT02010905 | Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) | Phase 2 |
| Completed | Effects of rhBNP in Pediatrics After Corrective Repair of Tetralogy Of Fallot NCT01941576 | Shanghai Jiao Tong University School of Medicine | N/A |
| Terminated | The Effects of Eplerenone on Markers of Myocardial Fibrosis in Adult Congenital Heart Disease NCT01971593 | Washington University School of Medicine | Phase 4 |
| Unknown | Multi-center Trial of Percutaneous Pulmonary Valve Implantation With Venus-p NCT02590679 | Shanghai Zhongshan Hospital | Phase 2 / Phase 3 |
| Unknown | Effect of Contouring Techniques on CMR Assessment of the Right Ventricle in Repaired Tetraology of Fallot NCT04359940 | University Hospital Birmingham NHS Foundation Trust | — |
| Completed | Pulmonary Artery Repair With Covered Stents NCT01824160 | Johns Hopkins University | N/A |
| Completed | Study of the Native Outflow Tract Transcatheter Pulmonary Valve (TPV) NCT01762124 | Medtronic Heart Valves | N/A |
| Unknown | Reoxygenation for Cyanotic Pediatric CHD NCT03568357 | Nanjing Medical University | — |
| Completed | Assessment of Right Ventricular Volume in Tetralogy of Fallott (TOF) Patients NCT01419756 | VentriPoint Diagnostics Ltd. | — |
| Recruiting | French National Registry of Patients With Tetralogy of Fallot and Implantable Cardioverter Defibrillator NCT03837574 | Paris Sudden Death Expertise Center | — |
| Completed | Haemodynamics and Function of the Atria in Congenital Heart Disease by Cardiovascular Magnetic Resonance NCT02161471 | University Children's Hospital, Zurich | — |
| Terminated | Examining Developmental Changes in Heart Contractions of Children With Congenital Heart Defects NCT00860327 | Emory University | — |
| Terminated | Cardiac Function Under Stress for Early Detection of the Right Ventricular Insufficiency After Repair of Tetra NCT00564993 | Competence Network for Congenital Heart Defects | Phase 3 |
| Completed | Early Re-intervention in Infants and Small Children After Correction of Tetralogy of Fallot NCT00536432 | Competence Network for Congenital Heart Defects | — |
| Completed | Myocardial Contrast Echocardiography in Congenital Heart Disease NCT00412685 | Insel Gruppe AG, University Hospital Bern | — |
| Unknown | Biomodel in Tetralogy of Fallot NCT00155428 | National Taiwan University Hospital | N/A |
| Recruiting | Molecular and Cellular Characterization of Cardiac Tissue in Postnatal Development NCT00243776 | Emory University | — |
| Completed | Follow up of Post-repair Tetralogy of Fallot NCT00266188 | Competence Network for Congenital Heart Defects | — |
| Completed | Understanding Dexmedetomidine In Infants Post-Operative From Cardiac Surgery NCT00573066 | Athena Zuppa | Phase 1 |
| Completed | Comparison of Two Pulmonary Valve Replacement Methods to Treat Tetralogy of Fallot NCT00112320 | Boston Children's Hospital | N/A |
| Completed | Study of the Relationship Between Calcium Levels and Intact Parathyroid Hormone (iPTH) in Adults With Repaired NCT00004361 | National Center for Research Resources (NCRR) | — |
| Completed | Reproduction and Survival After Cardiac Defect Repair NCT00005190 | National Heart, Lung, and Blood Institute (NHLBI) | — |