| Recruiting | Biventricular or Left Bundle Branch Pacing to Assess the Effect of Cardiac Resynchronization Therapy in Patien Chronic Heart Failure | N/A | 2025-11-19 |
| Recruiting | Oral Microbiome in Carotid Atherosclerosis Atherosclerosis Cardiovascular Disease, Atherosclerosis of Artery, Carotid Artery Plaque | — | 2025-11-01 |
| Not Yet Recruiting | PhotobiomoduLation for pAtientS With Advanced hEart failuRe Heart Failure With Reduced Ejection Fraction, Heart Failure, Systolic | N/A | 2024-08-01 |
| Not Yet Recruiting | The Usefulness of Myocardial Work IndeX in ExtraCorporeal Membrane Oxygenation Patients Echocardiography, Mechanical Circulatory Support, Myocardial Failure | — | 2024-06-01 |
| Unknown | REmote MOnitoring of paTiEnts witH pacEmaker or implAntable cardioverteR defibrillaTor Heart Failure | — | 2023-01-30 |
| Completed | Saline Flush to Reduce the Amount of Residual Air Inside a Stentgraft Delivery System Aortic Aneurysm, Aortic Aneurysm, Thoracic, Aortic Diseases | N/A | 2021-06-10 |
| Recruiting | Optimal Treatment for Coronary Drug Eluting Stent In-stent Restenosis Coronary Stent Restenosis | N/A | 2021-04-26 |
| Completed | Radial Artery Puncture Hemostasis Study Radial Artery Hemostasis | N/A | 2021-04-14 |
| Unknown | COvid iMaging With POSitron Emission Tomography Coronavirus Infection | N/A | 2021-01-04 |
| Unknown | Endocrine Changes and Their Correction in Heart and Lung Transplant Recipients and Donors Endocrine System Diseases, Thyroid Diseases, Cortisol Deficiency | — | 2020-05-20 |
| Unknown | HUNgarian COronaVirus Disease-19 Epidemiological Research Coronavirus Infection | — | 2020-05-01 |
| Unknown | Assessment of Cognitive Function in Patients Undergoing Elective Carotid Endarterectomy Cognitive Impairment | N/A | 2019-03-04 |
| Unknown | Evaluation of Cerebrovascular Events in Patients With Occlusive Carotid Artery Disorders Carotid Stenosis, Carotid Artery Plaque, Cerebrovascular Embolism and Thrombosis | N/A | 2019-02-06 |
| Completed | Psychosocial Development of Children Undergoing Open Cardiac Surgery Cardiac Surgery | — | 2018-11-20 |
| Unknown | The Role of Willingness of Participation in Cardiology Trials on the Survival of Patients Myocardial Infarction, Chronic Heart Failure | — | 2018-10-01 |
| Unknown | Endocrine Changes in Adults Undergoing Cardiac Surgery Endocrine System Diseases, Cardiac Surgery, Quality of Life | — | 2018-07-01 |
| Unknown | Heart TIMING - Heart Transplantation IMagING Heart Transplant Failure and Rejection, Magnetic Resonance Imaging | — | 2018-01-15 |
| Unknown | The Role and Dynamics of Liver Dysfunction in Patients Undergoing Cardiac Surgery Cardiac Surgery, Hepatic Impairment, Heart Failure | — | 2017-12-01 |
| Unknown | Left Atrial Function Analysis for Patients With Persistent Atrial Fibrillation Undergoing Pulmonary Vein Isola Persistent Atrial Fibrillation, Catheter Ablation | — | 2017-08-01 |
| Unknown | DSE vs Invasive FFR vs CT-FFR Fractional Flow Reserve | — | 2017-03-30 |
| Unknown | Semmelweis Sport Study Athletes Heart | — | 2017-01-01 |
| Completed | PRediction of Early PostoperAtive Right vEntricular Failure in Mitral Valve Replacement/Repair Patients Right Heart Failure, Right Ventricular Dysfunction, Right Ventricular Failure | — | 2016-10-01 |
| Not Yet Recruiting | National Plaque Registry and Database Atherosclerosis, Coronary Artery Disease, Cardiovascular Disease | — | 2016-09-01 |
| Unknown | Rule Out Transcatheter Aortic Valve Thrombosis With Post Implantation Computed Tomography (RETORIC) Prosthetic Cardiac Valve Thrombosis, Cerebrovascular Accident, Prosthetic Valve Malfunction | Phase 4 | 2016-07-01 |
| Completed | Coronary Artery and Systemic Autoimmune Disease: Diagnostics and Treatment Autoimmune Diseases, Coronary Artery Disease | N/A | 2015-07-01 |
| Completed | Heart Transplant Registry of Városmajor Disorder Related to Cardiac Transplantation | — | 2015-01-01 |
| Completed | Budapest Upgrade CRT Study (Version 009-4.1) Cardiomyopathy | N/A | 2014-11-01 |
| Unknown | Assessment of Frailty as a Risk Factor for Cardiac and Vascular Surgery Intellectual Frailty of Aging, Cardiovascular Diseases, Myocardial Infarction | — | 2014-07-01 |
| Completed | Retrospective Analysis of Balloon Expandable Covered Stenting in the Common Femoral Artery Vascular Complications | — | 2010-01-01 |