| Recruiting | Impact of Thymectomy on Immunity in Infants After Cardiac Surgery NCT07019857 | Nantes University Hospital | N/A |
| Not Yet Recruiting | Bioabsorbable Occluder for Outlet VSD: Safety and Aortic Valve Effects NCT07040579 | First Affiliated Hospital of Guangxi Medical University | — |
| Not Yet Recruiting | Congenital Heart Defects NCT06124443 | Assiut University | — |
| Recruiting | Characterization and Support for Neurodevelopmental Disorders Associated With Congenital Heart Defects NCT06442592 | Nantes University Hospital | N/A |
| Recruiting | Development of Methods for Effective Treatment and Improvement of Common Somatic Diseases in Children NCT06267859 | Tashkent State Medical University (Tashkent Pediatric Medical Institute), Uzbekistan | EARLY_Phase 1 |
| Unknown | Nutrition In Preoperative Pediatric Congenital Heart Disease NCT05457712 | Instituto de Cardiologia do Rio Grande do Sul | N/A |
| Unknown | Cardiac Rehabilitation in Congenital Heart Disease: Effects on Brain and Cognitive Functions NCT05195788 | Montreal Heart Institute | N/A |
| Completed | Investigation of Cardiopulmonary Parameters, Motor Development and Muscle Strength in DS With and Without CHD NCT05191654 | Atılım University | — |
| Completed | MRI to Predict Rejection and Failure in Transplant and Cardiomyopathy Patients NCT03822442 | Children's National Research Institute | — |
| Unknown | Better Delineation of CDK13 Related Phenotype and Epigenetic Signature. NCT04382573 | University Hospital, Montpellier | — |
| Suspended | Exercise Training Strategies for Children With Repaired Tetralogy of Fallot NCT04208893 | The Hospital for Sick Children | N/A |
| Completed | Impact of Psychoeducation in Quality of Life of Parents With Children With Congenital Heart Defects NCT03724006 | Universidade do Porto | N/A |
| Unknown | Effect of Sevoflurane in Postoperative Troponin I Levels in Children Undergoing Congenital Heart Defects Surge NCT03630796 | Instituto do Coracao | Phase 4 |
| Recruiting | Creation of a French South-Eastern Database and DNA-bank of Congenital Heart Disease to Explore the Genetic Pa NCT02923440 | Assistance Publique Hopitaux De Marseille | N/A |
| Completed | Preserved Umbilical Vein Use as Autologous Shunt Conduits in Neonatal Cardiac Surgery NCT02766998 | Boston Children's Hospital | N/A |
| Unknown | Six Minutes Walk Test and Shuttle Walk Test in Eisenmenger Syndrome NCT02752399 | Federal University of São Paulo | — |
| Terminated | Effects of High-intensity Interval Training on Exercise Capacity in Patients With Grown-up Congenital Heart Di NCT02632253 | Insel Gruppe AG, University Hospital Bern | N/A |
| Completed | Intraoperative Dexamethasone in Pediatric Cardiac Surgery NCT02615262 | Meshalkin Research Institute of Pathology of Circulation | Phase 3 |
| Completed | A Feasibility Study to Evaluate the Safety and Short-term Effectiveness of Transcatheter Pulmonary Valve (TPV) NCT02555319 | Seoul National University Hospital | N/A |
| Unknown | Model-based Versus Traditional Warfarin Dosing in Children NCT02475863 | De Montfort University | N/A |
| Completed | Near Infrared Spectroscopy in Cyanotic Congenital Heart Disease NCT02417259 | KK Women's and Children's Hospital | — |
| Unknown | Hypothermia Therapy in Pediatric Cardiac Intensive Care Unit for Suspected for Brain Injury NCT02395276 | Sheba Medical Center | N/A |
| Completed | Phase 3 Triiodothyronine Supplementation for Infants After Cardiopulmonary Bypass NCT02320669 | Seattle Children's Hospital | Phase 3 |
| Completed | Is Levosimendan Superior to Milrinone Regarding Acute Kidney Injury After Cardiac Surgery for Congenital Heart NCT02232399 | Göteborg University | Phase 2 |
| Unknown | NOACs for Atrial Tachyarrhythmias in Congenital Heart Disease NCT02928133 | Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) | — |
| Completed | Effects of rhBNP in Pediatrics After Corrective Repair of Tetralogy Of Fallot NCT01941576 | Shanghai Jiao Tong University School of Medicine | N/A |
| Completed | Chronic Kidney Disease in Teenagers With Congenital Cardiac Disease NCT01845402 | Assistance Publique - Hôpitaux de Paris | — |
| Completed | Interval Training in Adults With Congenital Heart Disease a Randomized Trial NCT01671566 | Umeå University | N/A |
| Completed | Healthy Lifestyles for Children With Complex Heart Problems NCT01785498 | Children's Hospital of Eastern Ontario | N/A |
| Completed | Plasma Angiopoietin Levels in Children Following Cardiopulmonary Bypass NCT01489475 | Yale University | — |
| Completed | Intestinal Function in Neonates With Complex Congenital Heart Disease NCT01475357 | Medical University of South Carolina | N/A |
| Unknown | Outcomes in Patients and Their Closest Relatives Treated for Congenital Heart Disease With Catheter Based or S NCT01421030 | Oslo University Hospital | EARLY_Phase 1 |
| Completed | Congenital Heart Adolescents: Program of Transition Evaluation Research NCT01286480 | University of Alberta | N/A |
| Active Not Recruiting | Congenital Heart Disease GEnetic NEtwork Study (CHD GENES) NCT01196182 | Children's Hospital Medical Center, Cincinnati | — |
| Unknown | Randomized Controlled Trial of the Effects of Electroacupuncture Preconditioning in Children Undergoing Cardia NCT01227096 | Air Force Military Medical University, China | — |
| Completed | Bosentan Therapy in Children With Functional Single Ventricle NCT01662037 | Shanghai Jiao Tong University School of Medicine | Phase 2 |
| Completed | An Evaluation of Routine Developmental Follow-Up in Infants and Children With Congenital Heart Disease NCT01567579 | Medical College of Wisconsin | — |
| Withdrawn | Inhaled Iloprost as an Adjunct to Inhaled Nitric Oxide in Pediatric Critical Care Patients NCT00981591 | Seattle Children's Hospital | Phase 1 / Phase 2 |
| Completed | Optimizing Health Among Children With Congenital Heart Defects NCT00974688 | The Hospital for Sick Children | N/A |
| Recruiting | Molecular Genetics of Heterotaxy and Related Congenital Heart Defects NCT02432079 | Indiana University | — |
| Completed | Cerebral Perfusion During Neonatal Cardiac Surgery NCT01032876 | UMC Utrecht | N/A |
| Completed | Dyskinesia, Heterotaxy and Congenital Heart Disease NCT00608556 | National Institute of Allergy and Infectious Diseases (NIAID) | — |
| Withdrawn | Molecular Basis of Congenital Heart Defects NCT00579358 | University of California, Irvine | — |
| Completed | Cardiac Resynchronization Therapy in Congenital Heart Defects NCT00450684 | Competence Network for Congenital Heart Defects | Phase 2 / Phase 3 |
| Completed | SPY Imaging System: Its Role in Pediatric Cardiac Surgery NCT00446927 | Emory University | — |
| Completed | Central Venous Saturation (ScvO2) Monitoring in Pediatric Patients Undergoing Cardiac Surgery NCT00883922 | University of California, Los Angeles | — |
| Completed | Melody Transcatheter Pulmonary Valve Study: Post Approval Study of the Investigational Device Exemption Cohort NCT00740870 | Medtronic Cardiovascular | N/A |
| Completed | Use of Color Doppler in Routine Examination of Fetal Heart in Second Trimester NCT01201486 | Helse Stavanger HF | — |
| Completed | Assessing the Hemodynamic Benefits of Cardiac Resynchronization Therapy in Children Following Open-Heart Surge NCT00397514 | University of British Columbia | — |
| Terminated | Using Tissue Doppler/Synchronization to Determine Heart Function in Children With Congenital Heart Disease NCT00208676 | Emory University | — |
| Terminated | Death Following Congenital Heart Surgery NCT00215072 | Children's Healthcare of Atlanta | — |
| Terminated | Heart Failure in Adult Patients With a History of Congenital Heart Disease NCT00208754 | Emory University | — |
| Completed | Platelet Aggregation Inhibition in Children on Clopidogrel (PICOLO) NCT00115375 | Sanofi | Phase 2 |
| Completed | Trial of Cardiac Magnetic Resonance Imaging (MRI) Versus Cardiac Catheterization Prior to Glenn Operation NCT00112424 | Boston Children's Hospital | N/A |
| Completed | Right Ventricular Failure in Congenital Heart Defects NCT00266201 | Competence Network for Congenital Heart Defects | — |
| Unknown | Cardiac Operation Under Totally Endoscope and Cardiopulmonary Bypass (CPB) NCT00921596 | Xijing Hospital | Phase 1 / Phase 2 |
| Terminated | Infection in DiGeorge Following CHD Surgery NCT00278005 | Children's Healthcare of Atlanta | — |
| Completed | Cylexin for Reduction of Reperfusion Injury in Infant Heart Surgery NCT00226369 | Boston Children's Hospital | Phase 2 / Phase 3 |
| Completed | Autologous Fresh Whole Blood and Coagulation Following Cardiopulmonary Bypass in Infants NCT00006186 | National Center for Research Resources (NCRR) | N/A |