| Enrolling By Invitation | Pilot Study of StudyU for N-of-1 Trials in HFrEF Patients (N-of-1 App) NCT07252310 | Weill Medical College of Cornell University | Phase 4 |
| Recruiting | Comparative Efficacy and Safety of Acetazolamide Versus Metolazone as an Adjunct to Standard Therapy in Patien NCT07199088 | University of Health Sciences Lahore | N/A |
| Not Yet Recruiting | Digoxin and Senolysis in Heart Failure and Diabetes Mellitus NCT06240403 | University of Leeds | Phase 2 |
| Enrolling By Invitation | The Correlation Between Serum PRMT5 Level and Cardiac Ultrasound Indicators in Patients With Heart Failure NCT07050706 | The University of Hong Kong-Shenzhen Hospital | — |
| Terminated | Digital Remote Home Monitoring for Heart Failure NCT05988749 | University of Texas Southwestern Medical Center | N/A |
| Recruiting | Cardiac Performance During Steep Trendelenburg Position in Patients Undergoing Robotic Surgery Surgery. NCT06336746 | Karlstad Central Hospital | — |
| Recruiting | Non-interventional Study on Guideline Directed Medical Therapy for Patients With Heart Failure (HF) in Germany NCT06675552 | AstraZeneca | — |
| Not Yet Recruiting | PhotobiomoduLation for pAtientS With Advanced hEart failuRe NCT06501313 | Semmelweis University Heart and Vascular Center | N/A |
| Recruiting | Paced Heart Rate Acceleration for Cardiac Conditioning NCT06332391 | Denice Hodgson-Zingman, MD | N/A |
| Not Yet Recruiting | IV Iron and SGLT2 Inhibitor on Ventricular Function and Myocardial Iron Content in Heart Failure With Iron Def NCT06434025 | Hospital de Clinicas de Porto Alegre | Phase 3 |
| Recruiting | Atrial Appendage Micrograft Transplants to Assist Heart Repair After Cardiac Surgery NCT05632432 | Hospital District of Helsinki and Uusimaa | N/A |
| Unknown | Beneficial Effects of Vitamin D Combined With Oral Iron Supplementation in Patients With Chronic Heart Failure NCT05702970 | University of Padova | Phase 4 |
| Completed | Physiological Effects of Lactate in Individuals With Chronic Heart Failure NCT06121323 | Henrik Wiggers | N/A |
| Recruiting | MCNAIR Study: coMparative effeCtiveness of iN-person and teleheAlth cardIac Rehabilitation NCT05933083 | University of California, San Francisco | N/A |
| Recruiting | Associations Between the Microbiome, Skeletal Muscle Perfusion, and Fitness Status NCT06009276 | University of Virginia | — |
| Active Not Recruiting | Clinical Trial of Human Allogenic Culture-expanded Bone Marrow-derived Mesenchymal Stem Cells NCT05925608 | BioCardia, Inc. | Phase 1 / Phase 2 |
| Recruiting | Diuretics Alone vs. Aortix Endovascular Device for Acute Heart Failure NCT05677100 | Procyrion | N/A |
| Active Not Recruiting | HIDRAdenitis Suppurativa and HEART Disease NCT05989945 | Herlev and Gentofte Hospital | — |
| Recruiting | The Canadian CABG or PCI in Patients With Ischemic Cardiomyopathy Trial (STICH3C) NCT05427370 | Sunnybrook Health Sciences Centre | N/A |
| Completed | Financial Support in an Underserved and Low-Income Population With Heart Failure NCT05928026 | University of Texas Southwestern Medical Center | N/A |
| Withdrawn | Effects of CRT Optimization as Assessed by Cardiac MR NCT04763460 | Minneapolis Heart Institute Foundation | N/A |
| Recruiting | Pilot Study Lp299v Supplementation in Chronic Heart Failure NCT05752760 | Medical College of Wisconsin | N/A |
| Completed | Precision of AI-Based Cardiac Ultrasound for LVEF in the Elderly NCT06478901 | Hôpital Broca APHP | — |
| Recruiting | ConTempoRary Cardiac Stimulation in Clinical practicE: lEft, BivEntriculAr, Right, and conDuction System Pacin NCT06324682 | University Hospital of Ferrara | — |
| Active Not Recruiting | Cardiac Structure and Function in Patients with Cystic Fibrosis NCT06084468 | Herlev and Gentofte Hospital | — |
| Unknown | Machine Learning Enabled Time Series Analysis in Medicine NCT05802563 | HagaZiekenhuis | — |
| Completed | Safety and Efficacy Study of AI LVEF NCT05140642 | Cedars-Sinai Medical Center | N/A |
| Terminated | Levosimendan In Ambulatory Heart Failure Patients NCT04705337 | Medical University of Bialystok | Phase 4 |
| Recruiting | Robotic-assisted Exercise Training in Heart Failure With Reduced Ejection Fraction NCT05278429 | German Heart Institute | N/A |
| Withdrawn | TRANSFORM Heart Failure with Reduced Ejection Fraction NCT04872959 | Massachusetts General Hospital | N/A |
| Recruiting | Modulation of SERCA2a of Intra-myocytic Calcium Trafficking in Heart Failure With Reduced Ejection Fraction NCT04703842 | Sardocor Corp. | Phase 1 / Phase 2 |
| Completed | Network Medicine Approaches to Classify Heart Failure With PReserved Ejection Fraction by Signatures of DNA Me NCT05475028 | University of Campania Luigi Vanvitelli | — |
| Recruiting | Prevalence and Risk Factors asSOciated With CArdiac comorbiDIty in psoriAsis NCT04950218 | Herlev and Gentofte Hospital | — |
| Terminated | Acute Hemodynamic Effects of Pacing the His Bundle in Heart Failure NCT04701112 | Region Skane | N/A |
| Completed | Multi-intravenous Infusion of Umbilical Cord Mesenchymal Stem Cells in Heart Failure With Reduced Ejection Fra NCT04992832 | Shanghai East Hospital | Phase 1 / Phase 2 |
| Terminated | Cardiac Output in Heart Failure Patients With Mechanical Pumps NCT05195931 | University of Colorado, Denver | — |
| Completed | Robotic-assisted Exercise Training in Heart Failure NCT04839133 | German Heart Institute | N/A |
| Unknown | Sacubitril/Valsartan Versus Valsartan in Heart Failure With Improved Ejection Fraction NCT04803175 | Samsung Medical Center | — |
| Unknown | Observational and Prospective Registry on Cardiac Contractility Modulation (CCM) Therapy NCT04902079 | Monaldi Hospital | — |
| Completed | Effects of Ketones and Niacin in Heart Failure Patients NCT04703361 | University of Aarhus | Phase 2 |
| Completed | The Aortix CRS Pilot Study NCT04145635 | Procyrion | N/A |
| Unknown | Prospective Monitoring of Angiotensin Receptor Neprilysin Inhibitor in Older Adults With Heart Failure and Fra NCT04743063 | Brigham and Women's Hospital | — |
| Recruiting | Evaluating Infrasonic Hemodynography NCT04636892 | Scripps Health | N/A |
| Active Not Recruiting | The Relationship Between Inflammatory ARTritis and CArdiac DIseAse NCT05647577 | University Hospital, Gentofte, Copenhagen | — |
| Completed | Safety and Tolerability of Sacubitril/Valsartan in Heart Failure Patient With Reduced Ejection Fraction NCT05387967 | National Institute of Cardiovascular Diseases, Pakistan | Phase 4 |
| Unknown | His-bundle Pacing vs. Right Ventricular Apical Pacing in Patients With Reduced Ejection Fraction NCT04529577 | Region Skane | N/A |
| Unknown | Apple-CPET Ted Rogers Understanding Exacerbations of Heart Failure NCT05008692 | University Health Network, Toronto | — |
| Unknown | Dapagliflozin And Pulmonary Artery Hemodynamics in Heart Failure With Reduced Ejection Fraction Patients With NCT04570865 | Scripps Health | Phase 4 |
| Completed | The Fluoroless-CSP Trial Using Electroanatomic Mapping NCT03903107 | Rush University Medical Center | N/A |
| Active Not Recruiting | Mechanistic Studies of Nicotinamide Riboside in Human Heart Failure NCT04528004 | University of Washington | EARLY_Phase 1 |
| Unknown | Electrostimulation of Skeletal Muscles in Patients Listed for a Heart Transplant NCT04522609 | Research Institute for Complex Problems of Cardiovascular Diseases, Russia | N/A |
| Completed | Physiological Signals, Activity and Posture for Surface Mounted Insertable Cardiac Monitor in Heart Failure St NCT04112576 | Boston Scientific Corporation | — |
| Terminated | Cryoballoon Ablation Versus Medical Therapy in Patients With Heart Failure and Atrial Fibrillation NCT04342832 | Maastricht University | N/A |
| Completed | Balance, Aerobic Capacity, Mobility and Strength in Patients Hospitalized for Heart Failure (BAMS-HF) Program NCT04281849 | VA Eastern Colorado Health Care System | N/A |
| Recruiting | Optimising Pacing for Contractility 2 NCT04201015 | University of Leeds | Phase 2 / Phase 3 |
| Unknown | Hypoxic Conditioning in Heart Failure NCT03537079 | University Hospital, Grenoble | N/A |
| Unknown | Integrated Distance Management Strategy for Patients With Cardiovascular Diseases in the Context of COVID-19 NCT04325867 | Professor Adrian Covic | N/A |
| Terminated | STandardized Ultra-conservative Or Physician-directed ICD Programming for Continuous Flow LVAD Support NCT04264182 | The Cleveland Clinic | N/A |
| Active Not Recruiting | AB-1002 in Patients With Class III Heart Failure NCT04179643 | AskBio Inc | Phase 1 |
| Unknown | Multi-lead ECG to Effectively Optimize Resynchronization Devices: New CRT Recipients NCT04083690 | Allina Health System | N/A |
| Unknown | Ferric Carboximaltose on Intra-myocardial Iron Load in Patients With Heart Failure NCT03871699 | Hospital Moinhos de Vento | Phase 4 |
| Completed | Virtual Visits to Optimize Research Trial Offerings to HF Patients NCT04064541 | The Cleveland Clinic | N/A |
| Withdrawn | Quartet Lead With Defibrillator Multisite Algorithmic Cardiac Resynchronisation Therapy Optimisation NCT02997670 | Cardiff and Vale University Health Board | N/A |
| Suspended | How is COGNItive Function Affected by Cardiac Resynchronisation Therapy? NCT03755570 | Royal Cornwall Hospitals Trust | — |
| Unknown | SyncAV Study: Investigation of the Efficacy of the SyncAV Fusion Pacing Algorithm on Exercise NCT03768804 | University of Oxford | N/A |
| Completed | COmparing arNi and Ace For Improving Erectile Dysfunction in mEN With reduCed Ejection Fraction Heart Failure NCT03917459 | Novartis Pharmaceuticals | Phase 3 |
| Unknown | Fluid Restriction in Patients With Heart Failure NCT04611594 | Hospital de Clinicas de Porto Alegre | N/A |
| Completed | Interleukin-1 Blockade In Recently Decompensated Heart Failure - 2 NCT03797001 | Virginia Commonwealth University | Phase 2 |
| Unknown | Efficacy and Safety of Ivabradine to Reduce Heart Rate Prior to Coronary CT-angiography in Advanced Heart Fail NCT03830957 | Rajaie Cardiovascular Medical and Research Center | N/A |
| Unknown | Pharmacodynamic Effects of Sacubitril/Valsartan on Natriuretic Peptides, Angiotensin and Neprilysin NCT03553303 | Oslo University Hospital | Phase 4 |
| Completed | Randomized, Double-Blind, Placebo-Controlled, Safety and Tolerability Study of ITI-214 in Patients With Heart NCT03387215 | Intra-Cellular Therapies, Inc. | Phase 1 / Phase 2 |
| Unknown | Atrial FIbrillation Treatment With Cryoballoon in Heart failurE (AFICHE) NCT03573869 | G.Gennimatas General Hospital | N/A |
| Terminated | Effect of Dietary Nitrate Ingestion in Heart Failure NCT03511248 | Queen Mary University of London | Phase 2 |
| Completed | A Multicenter Trial of a Shared DECision Support Intervention for Patients Offered Implantable Cardioverter-DE NCT03374891 | University of Colorado, Denver | N/A |
| Terminated | ANTHEM-HFrEF Pivotal Study NCT03425422 | LivaNova | N/A |
| Unknown | VItamin D as a Novel Determinant of Injurious Cardiac Remodelling After acuTE Myocardial Infarction NCT03086746 | University of Leeds | — |
| Terminated | Efficacy of Cardio-Oncology Rehabilitation Exercise for Women With Breast Cancer and Treatment Related Cardiot NCT03089502 | University Health Network, Toronto | N/A |
| Completed | Hemodynamic-GUIDEd Management of Heart Failure NCT03387813 | Abbott Medical Devices | N/A |
| Withdrawn | Prophylactic Lisinopril to Prevent Anthracycline Cardiomyopathy. NCT03392740 | Ascension Health | Phase 4 |
| Completed | Low-salt Bread in Heart Failure, Pilot Study NCT05589428 | VieCuri Medical Centre | N/A |
| Completed | Patient Reported Outcomes inVestigation Following Initiation of Drug Therapy With Entresto (Sacubitril/Valsart NCT03387163 | Novartis Pharmaceuticals | — |
| Unknown | Mechanistic Clinical Trial of Advanced Imaging for CRT NCT03398369 | University of Virginia | N/A |
| Terminated | Optimizing CRT With ECGI NCT03492788 | Washington University School of Medicine | N/A |
| Completed | Cardiac Uptake of Metformin, Visualized by Positron Emission Tomography NCT03122769 | Henrik Wiggers | Phase 1 |
| Completed | Effect of Sodium Intake on Brain Natriuretic Peptide Levels in Patients With Heart Failure NCT03351283 | Instituto Mexicano del Seguro Social | N/A |
| Completed | Optimising Pacemaker Therapy Using Multi-point Pacing (the OPT-MPP Study) NCT03220659 | University of Leeds | N/A |
| Completed | ECG Belt vs. Echocardiographic Optimization of CRT NCT03305692 | Alan J. Bank, MD | N/A |
| Withdrawn | The Effect of Yoga on Cardiac Sympathetic Innervation Evaluated by I-123 mIBG NCT03227393 | University of Cincinnati | N/A |
| Completed | Reprogramming to Prevent Progressive Pacemaker-induced Remodelling NCT03627585 | University of Leeds | N/A |
| Completed | Implementation of Telerehabilitation In Support of HOme-based Physical Exercise for Heart Failure NCT03183323 | Helse Nord-Trøndelag HF | N/A |
| Withdrawn | Interleukin-1 Blockade for the Treatment of Heart Failure in Patients With Advanced Chronic Kidney Disease NCT03062176 | Virginia Commonwealth University | Phase 2 |
| Completed | Ketones in Heart Failure - Effects on Cardiac Efficiency NCT03073356 | University of Aarhus | Phase 2 |
| Completed | Intravenous Iron in paTients With Heart failURe and Reduced Ejection fracTion (HFREF) pLus Iron dEficiency NCT03079518 | RWTH Aachen University | Phase 2 |
| Withdrawn | Mobile App With Patient Financial Incentives for Adherence to Heart Failure Medications & Daily Self-Weighing NCT03034551 | Wellth Inc. | N/A |
| Completed | Effects of Metformin Treatment on Myocardial Efficiency in Patients With Heart Failure NCT02810132 | Aarhus University Hospital | Phase 2 |
| Completed | CardiAMP™ Cell Therapy for Heart Failure Trial NCT02438306 | BioCardia, Inc. | Phase 3 |
| Completed | Pulse Reduction On Beta-blocker and Ivabradine Therapy NCT02973594 | University of Colorado, Denver | Phase 4 |
| Unknown | Cardiac Magnetic Resonance Imaging After Cardiac Resynchronization Therapy NCT03183011 | Kenneth Bilchick, MD | N/A |
| Unknown | Telesonography for Visually Estimating Ejection Fraction NCT02960685 | Hanyang University | — |
| Completed | Treatment of Diabetes in Patients With Systolic Heart Failure NCT02920918 | Virginia Commonwealth University | Phase 4 |
| Completed | SGLT2 Inhibition in Diabetes and Heart Failure NCT02862067 | Virginia Commonwealth University | — |
| Completed | Nicotinamide Riboside in Systolic Heart Failure NCT03423342 | University of Washington | Phase 1 / Phase 2 |
| Unknown | Metformin Pharmacokinetics in Patients With Chronic and Acute Heart Failure NCT02797340 | Aarhus University Hospital | Phase 4 |
| Completed | Short Term Oral Iron Supplementation in Systolic Heart Failure Patients Suffering From Iron Deficiency Anemia NCT02998697 | National Cardiovascular Center Harapan Kita Hospital Indonesia | Phase 2 / Phase 3 |
| Completed | A Novel Home-based Physical Activity Intervention for Stable Chronic Heart Failure Patients NCT03677271 | Newcastle-upon-Tyne Hospitals NHS Trust | N/A |
| Unknown | Inspiratory Muscle Training for Breathless Patients With Chronic Obstructive Pulmonary Disease and Heart Failu NCT02579200 | Queen's University | Phase 4 |
| Completed | Effects of Dietary Nitrate Supplementation on Cardiorespiratory Control in Chronic Heart Failure NCT02401126 | Queen's University | Phase 4 |
| Completed | Impact of Cardiac Rehabilitation on Acute Heart Failure Patients With Cognitive Impairment NCT05726565 | Chang Gung Memorial Hospital | — |
| Unknown | Acute Changes in Bioimpedance During Cardiac Resynchronization Therapy NCT03640000 | Oslo University Hospital | N/A |
| Completed | Kyoto Congestive Heart Failure Study NCT02334891 | Kyoto University, Graduate School of Medicine | — |
| Unknown | Renal Denervation in Patients With Heart Failure Secondary to Chagas Disease NCT02099903 | InCor Heart Institute | N/A |
| Completed | Evaluation of Cardiotoxic Effects of Bortezomib NCT02026505 | Oregon Health and Science University | — |
| Completed | R-wave Optimisation in Cardiac Resynchronisation Therapy Study NCT02080000 | The Royal Bournemouth Hospital | N/A |
| Terminated | MADIT ASIA Cardiac Resynchronization Trial NCT01872234 | Boston Scientific Corporation | Phase 3 |
| Completed | Blended Collaborative Care for Heart Failure and Co-Morbid Depression NCT02044211 | University of Pittsburgh | Phase 2 / Phase 3 |
| Completed | Predicting Heart Failure Outcomes With Biomarkers and Imaging NCT07332520 | Xinjiang Medical University | — |
| Unknown | Reasons for Variations in Health Related Quality of Life and Symptom Burden in Patients With Atrial Fibrillati NCT01553045 | University Hospital, Linkoeping | — |
| Completed | Patient and Physician Survey Determinants of Appropriate ICD Utilization NCT01514773 | Todd M Koelling, MD | — |
| Completed | Optimal Coronary Sinus Lead Implantation Using Intracardiac Impedography and Magnetic Resonance Imaging NCT01129635 | Emory University | N/A |
| Completed | Prognostic Impact of Noncardiac Comorbidities in Heart Failure Patients NCT02946476 | Ospedale Maggiore Di Trieste | — |
| Completed | Narrow QRS Ischemic Patients Treated With Cardiac Resynchronization Therapy (NARROW CRT) NCT01577446 | Ospedale Santa Maria di Loreto Mare | N/A |
| Unknown | Prediction of Mortality After CIED Implantation (PM-CIED) NCT05396313 | Shanghai Zhongshan Hospital | — |
| Completed | Growth Hormone in Ischemic Heart Failure NCT04420481 | Göteborg University | Phase 3 |