Clinical trials: Ventricular Function
Cardiovascular Disease
Impact of Vitamin D Supplementation on Cardiac Structure and Function
The VITamin D and OmegA-3 TriaL (VITAL; NCT 01169259) is a randomized clinical trial in 20,000 U.S. men and women investigating whether taking daily dietary supplements of vitamin D3 (2000 IU) or fish oil (1 gram of omega-3 fatty…
- Trial name
- VITAL-Echo (NCT01630213)
- Where
- United States
- Volunteers
- 1,025 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Rapid Arrhythmia, Atrial Fibrillation (AF)
Safety and Efficacy Study of the First Domestically Produced FireMagic™ PreciSense™ 3D Microelectrode Ablation Catheter Therapy for Rapid Arrhythmia With Tissue Temperature Measurement Function
This project aims to evaluate the safety, efficacy, and cost-effectiveness of using FireMagic™ PreciSense™ 3D Microelectrode Ablation Catheter to treat rapid arrhythmias.
- Conditions
- Rapid Arrhythmia, Atrial Fibrillation (AF), Paroxysmal Supraventricular Tachycardia (PSVT)
- Trial name
- NCT07032948
- Testing
- FireMagic™ PreciSense™ 3D Microelectrode Ablation Catheter、EasyStars™ High Density Mapping Catheter、Columbus™ 3D EP Navigation System
- Volunteers
- 300 people
- Sponsor
- Shanghai MicroPort EP MedTech Co., Ltd.
Erectile Dysfunction, Left Ventricular Diastolic Dysfunction
Association Between Diastolic Dysfunction and Erectile Dysfunction and the Effect of Tadalafil and SGLT2 Inhibitors on Them in Men With Metabolic Syndrome
Metabolic syndrome is associated with an increased risk of cardiovascular disease and is commonly accompanied by erectile dysfunction and subclinical cardiac dysfunction.
- Conditions
- Erectile Dysfunction, Left Ventricular Diastolic Dysfunction, Metabolic Syndrome
- Trial name
- METDDED (NCT07563647)
- Testing
- Tadalafil 5 mg, SGLT-2 inhibitor, Tadalafil plus SGLT2 inhibitors
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Kafrelsheikh University
Lung Diseases, Esophageal Diseases
Non-dependent Lung High Frequency Positive Pressure Ventilation (HFPPV) and Right Ventricular Function
The investigators hypothesized that the application of volume-controlled HFPPV to the non-dependent lung during one-lung ventilation (OLV) for thoracotomy in patients with good pulmonary functions and mild-to-moderate pulmonary…
- Trial name
- NCT01019993
- Testing
- conventional OLV followed with IL-HFPPV
- Where
- Egypt
- Volunteers
- 33 people
- Sponsor
- King Faisal University
Echocardiography, Pregnancy Related Conditions, Unspecified, First Trimester
Echocardiographic Assessment of Ventricular Strain During a Healthy Pregnancy in the First, Second, and Third Trimester.
Pregnancy is a physiological situation that produces transient preload and afterload changes. The heart is subjected to reversible morphological remodelings and hemodynamic and functional adaptations.
- Conditions
- Echocardiography, Pregnancy Related Conditions, Unspecified, First Trimester, Pregnancy Related Conditions, Unspecified, Second Trimester, Pregnancy Related Conditions, Unspecified, Third Trimester
- Trial name
- VStrain123P (NCT04395014)
- Testing
- 2D Echocardiography
- Where
- Mexico
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Miguel Ayala León
Myocardial Infarction, Echocardiography 2D
Left Ventricular Function After Primary Percutaneous Coronary Intervention: Role of Speckle Echocardiography
Recovery of the left ventricular function is variable from one patient to another, thus assessment of cardiac function by measuring left ventricular ejection fraction using echocardiography is the most common in the daily…
- Conditions
- Myocardial Infarction, Echocardiography 2D, Left Ventricular Dysfunction
- Trial name
- NCT04103008
- Testing
- Speckle tracking echocardiography
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Assiut University
Pulmonary Hypertension
Targeting Right Ventricle in Pulmonary Hypertension Gilead
This study is looking to see if giving ranolazine to subjects on stable pulmonary hypertension therapies but with right ventricular dysfunction (RVEF <45%) will improve their health by improving right ventricular (RV) function.
- Trial name
- NCT02829034
- Testing
- Ranolazine
- Where
- 3 sites in United States
- Volunteers
- 22 people
- Sponsor
- University of Pennsylvania
Elevated Left Atrial Pressure
Pulmonary Vein Diameter and Collapsibility Measured by TEE to Predict Elevated Left Atrial Pressure in Cardiac Surgery
Left atrial pressure (LAP) is a crucial hemodynamic parameter during cardiac surgery. Elevated LAP leads to pulmonary edema and other cardiopulmonary complications.
- Trial name
- POGETO (NCT04096807)
- Testing
- Standard TEE exam including measurement of left upper pulmonary vein diameter and collapsibility, compared with PCWP measured continuously by a pulmonary arterial catheter
- Where
- France
- Volunteers
- 30 people
- Sponsor
- University Hospital, Montpellier
Ischemic Cardiomyopathy
Combination of Mesenchymal and C-kit+ Cardiac Stem Cells as Regenerative Therapy for Heart Failure
This is a phase II, randomized, placebo-controlled clinical trial designed to assess feasibility, safety, and effect of autologous bone marrow-derived mesenchymal stem cells (MSCs) and c-kit+ cells both alone and in combination…
- Trial name
- CONCERT-HF (NCT02501811)
- Testing
- Mesenchymal Stem Cells (MSC), c-kit+ cells
- Where
- 7 sites in United States
- Volunteers
- 125 people
- Sponsor
- The University of Texas Health Science Center, Houston
Stroke, Cardiovascular
The Effects of Aerobic Exercise Training on Cardiorespiratory Fitness in Stroke Patients
Background: Aerobic exercise training has favorable effects on quality of life, motor recovery, and aerobic endurance after stroke.
- Trial name
- NCT05058586
- Testing
- The Effects of Aerobic Exercise Training on Cardiorespiratory Fitness, Functional Capacity, Balance and Ventricular Repolarization Indices in Stroke Patients
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 30 people
- Sponsor
- Gaziler Physical Medicine and Rehabilitation Education and Research Hospital
Congenital Heart Disease, Fontan
Effects of Pulmonary Vasodilation Upon VA Coupling in Fontan Patients
The study involves documenting the effects of inhaled nitric oxide upon ventricular-arterial coupling in patients with congenital heart disease and passive pulmonary blood flow.
- Trial name
- NCT01607983
- Testing
- inhaled nitric oxide
- Where
- United States
- Sponsor
- University of California, San Francisco
Functional Tricuspid Regurgitation
Right VEntricular Contractile ReSERVE in Functional Tricuspid Regurgitation
Aim of the study is to investigate the prognostic value of right ventricular contractile reserve in patients with functional tricuspid regurgitation undergoing tricuspid valve repair or replacement.
- Trial name
- RESERVE (NCT04141683)
- Testing
- Stress Echocardiography, Pressure volume loop analysis, Tricuspid valve repair or replacement
- Where
- Germany
- Volunteers
- 108 people
- Sponsor
- Heart Center Leipzig - University Hospital
Bradycardia
Endothelial Function and Cardiac Output in RV Pacing
Pacing from the right ventricle (as is current practice in patients implanted with permanent pacemakers for bradycardia), has been associated with worse outcomes particularly in heart failure patients.
- Trial name
- NCT00508196
- Testing
- RVP-min, RVP-max
- Where
- United Kingdom
- Volunteers
- 22 people
- Sponsor
- University of Dundee
Diabetes Mellitus, Type 2, Acute Heart Failure
EMPA Acute Heart Failure
In this study the investigators are aiming to treat patients with acute heart failure with or without diabetes with Empagliflozin or placebo.
- Trial name
- NCT03554200
- Testing
- Empagliflozin
- Where
- Germany
- Volunteers
- 19 people
- Sponsor
- RWTH Aachen University
Left Ventricular Dysfunction, Coronary Artery Disease
Impella®-Supported PCI in High-Risk Patients With Complex Coronary Artery Disease and Reduced Left Ventricular Function
The purpose of this study is to assess if using the Impella® CP (or Impella® 2.5) device during high-risk PCI in patients with reduced left-sided heart function will result in an improvement in symptoms, heart function and health…
- Trial name
- PROTECT IV (NCT04763200)
- Testing
- Impella CP® / Impella CP® with SmartAssist® / Impella 2.5®, IABP Intra-aortic balloon pump
- Where
- 110 sites in United States, Canada and 5 more
- Volunteers
- 1,252 people
- Sponsor
- Abiomed Inc.
Congenital Heart Disease
Influence of Genetic Polymorphisms on Ventricular Structure and Function in Patients With Single Ventricle Anatomy
There are many kids born with congenital heart disease. Some of these defects may lead to the formation of a single ventricle (the heart having only one pumping chamber).
- Trial name
- NCT00165984
- Where
- United States
- Volunteers
- 224 people
- Sponsor
- Emory University
Postoperative Complications, Heart Diseases
Detection of Right Ventricular Dysfunction by Portal Vein Doppler After Cardiac Surgery
Right ventricular (RV) failure after cardiac surgery is associated with morbidity and mortality, but is hard to diagnose with conventional echocardiographic means.
- Conditions
- Postoperative Complications, Heart Diseases, Heart Failure, Heart Valve Diseases
- Trial name
- DVDDP (NCT04890860)
- Testing
- cardiac surgery involving mitral or tricuspid valve repair procedure, with cardiopulmonary bypass
- Where
- France
- Volunteers
- 70 people
- Sponsor
- CMC Ambroise Paré
Anomaly; Venous Return
Volume-challenge in Morbid Obesity
Preoperative venous return stability and euvolemia is essential in management of morbidly obese patients. Fluid therapy regimes for patients with high BMI, especially with focus on preoperative management, are rare and not in…
- Trial name
- NCT01748513
- Testing
- preoperative venous return optimizing
- Where
- Sweden
- Volunteers
- 34 people
- Sponsor
- Umeå University
Slow Arrhythmia; Left Bundle Branch Pacing; Cardiac Function
Comparison of Cardiac Function Between Left Bundle Branch Pacing and Right Ventricular Outflow Tract Septal Pacing in Pacemaker-dependent Patients
Permanent pacemaker implantation is a common method for bradycardia and cardiac conduction dysfunction. With the development of physiological pacing, the optimal location of ventricular pacing site is still improving.
- Trial name
- NCT04386473
- Testing
- pacemaker
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Ruiqin xie
Effect of High Altitude
Effect of High Altitude Exposure, Acclimatization and Re-exposure on Right Ventricular Function in Lowlanders
Prospective interventional trial in lowlanders evaluating effect of acute exposure, acclimatization and re-exposure to high altitude
- Trial name
- NCT02730156
- Testing
- Altitude exposure
- Where
- Switzerland
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Zurich