Clinical trials: Ventricular
Congestive Heart Failure
Stimulus Intensity in Left Ventricular Leads
Cardiac resynchronization therapy (CRT) is a device implanted to improve the function of some people's hearts. CRT involves the placement of 3 wires in the heart through a vein near the front of your left or right shoulder into…
- Trial name
- SILVeR-CRT (NCT01060449)
- Testing
- LV stimulus intensity
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Emory University
Diabetes Mellitus, Type 2
Effects of Exercise Therapy on Ventricular and Endothelial Function in Patients After Coronary Artery Bypass Surgery
The purpose of this study was (1) to compare the peak exercise capacity and left ventricular diastolic function between patients with and without diabetes and (2) to investigate the interrelation among peak oxygen consumption…
- Trial name
- NCT01990638
- Testing
- exercise capacity test
- Where
- Taiwan
- Volunteers
- 51 people
- Sponsor
- National Taiwan University Hospital
Acute Myocardial Infarction
Prognostic Value of Right Ventricular Myocardial Strain in Patients With Acute Myocardial Infarction
For a long time, the right ventricle has been the "forgotten chamber", but with the deepening of people's understanding of the disease, right ventricular dysfunction has become an important factor to evaluate the disease…
- Trial name
- NCT05404555
- Testing
- two-dimensional speckle tracking echocardiography
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Peking University Third Hospital
Left Ventricular Dysfunction, Spinal Anesthetics Causing Adverse Effects in Therapeutic Use
Effects of Intrathecal Local Anesthetics on Left Ventricular Global Longitudinal Strain
The objective of this study is to assess the effects of intrathecal local anesthetics on left ventricular global longitudinal strain (LVGLS) using transthoracic echocardiography (TTE).
- Conditions
- Left Ventricular Dysfunction, Spinal Anesthetics Causing Adverse Effects in Therapeutic Use, Global Cardiac Wall Motion Dysfunction
- Trial name
- NCT05650008
- Testing
- Intrathecal local anesthesia
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Milton S. Hershey Medical Center
Ventricular Arrhythmias
Pulsed Field Ablation for Ventricular Arrhythmias
This is a prospective, single-center, single-arm exploratory clinical study designed to evaluate the efficacy and safety of pulsed field ablation for the treatment of ventricular arrhythmias.
- Trial name
- NCT07727330
- Testing
- Pulsed Field Ablation
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Xi'an Jiaotong University
Congenital Heart Disease, Single-ventricle
Ventripoint Single Ventricle Study
This study will validate a coordinate-based 3-dimensional echocardiographic technique for the assessment of cardiac size and function in children and young adults with functional single ventricles.
- Trial name
- NCT05262907
- Testing
- Transthoracic Echocardiogram or Cardiac MRI, Ventripoint Echocardiogram
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Duke University
Cardiovascular Diseases, Cardiovascular Morbidity
Assessment and Digital-health Based Intervention on Subclinical Organ Damage and Cardiovascular Risk in Chinese
To comprehensively evaluate subclinical organ damage of Chinese adults and its association with future cardiovascular disease and events.
- Conditions
- Cardiovascular Diseases, Cardiovascular Morbidity, Subclinical Organ Damage, Digital Health
- Trial name
- NCT05435898
- Where
- China
- Volunteers
- 4,000 people
- Sponsor
- Shanghai 10th People's Hospital
Heart Failure
Implementation of a Protocol Utilizing Adaptive CRT in a Normal AV Conduction, CRT Non-Response Population at Generator Replacement
IMPROVE RESPONSE is a physician initiated research study. It is a prospective, non-randomized, multi-center, post-market, U.S. Cardiac Resynchronization Therapy (CRT) in heart failure (HF) observational study.
- Trial name
- NCT03305393
- Testing
- Adaptiv CRT
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Stern Cardiovascular Foundation, Inc.
Coronary Artery Disease (CAD)
Micro-axial Flow Pump-Supported PCI in Complex Coronary Artery Disease With Ischemic LV Dysfunction
Based on a multi-center randomized controlled study, this research aims to evaluate the efficacy and safety of interventional therapy supported by the CorVad percutaneous left ventricular assist system (Micro-axial Flow Pump） for…
- Trial name
- PIVOT (NCT07678021)
- Testing
- Microaxial pump-supported PCI, Optimal medical therapy (OMT)
- Where
- China
- Volunteers
- 452 people
- Sponsor
- China National Center for Cardiovascular Diseases
CHF - Congestive Heart Failure
A Prospective, Randomized, Blind, Controlled Multicenter Clinical Study Comparing the Effectiveness of Preventive Ventricular Arrhythmia Ablation on the Prognosis After Left Ventricular Assist Device (LVAD) Surgery.
To compare the preventive effect of preventive ventricular arrhythmia ablation on the composite events 30 days after surgery in the study population.
- Trial name
- PAVA-LVAD (NCT07589738)
- Testing
- preventive ablation group
- Where
- China
- Volunteers
- 90 people
- Sponsor
- The First Affiliated Hospital of Anhui Medical University
Aortic Stenosis, Diastolic Dysfunction
AI in Outpatient Practice for Diagnosing Aortic Stenosis and Diastolic Dysfunction
Two recently developed artificial intelligence-enabled electrocardiogram (AI-ECG) models have been developed to detect aortic stenosis (AS) and diastolic dysfunction (DD).
- Trial name
- NCT06580158
- Testing
- AI-ECG Dashboard, Point of care ultrasound (POCUS)
- Where
- United States
- Volunteers
- 2,000 people
- Sponsor
- Mayo Clinic
Tachyarrhythmia, Atrial Flutter
MCG for Localization of Tachyarrhythmia's Origin
This is an exploratory research aiming to accurately identify the site of origin of tachyarrhythmia using Magnetocardiography (MCG), which will have guiding significance for early diagnosis, the formulation of treatment plans and…
- Conditions
- Tachyarrhythmia, Atrial Flutter, Paroxysmal Supraventricular Tachycardia, Atrial Tachycardia
- Trial name
- NCT06327425
- Testing
- Magnetocardiography
- Where
- China
- Volunteers
- 1,000 people
- Sponsor
- Qilu Hospital of Shandong University
Myocardial Infarction, Arrhythmia, Ventricular
MASTER II - Microvolt T Wave Alternans Testing for Risk Stratification of Post MI Patients
The purpose of the study is to determine the usefulness of Microvolt T Wave Alternans (MTWA) testing of patients that have had a heart attack and have decreased pumping ability of the lower chamber of their heart.
- Conditions
- Myocardial Infarction, Arrhythmia, Ventricular, Ischemic Cardiomyopathy
- Trial name
- NCT00305214
- Testing
- T Wave Alternans Test
- Where
- 47 sites in United States
- Volunteers
- 405 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Aortic Valve Stenosis
FIH Study of the GEMINUS TAVI System in Patients With Severe Symptomatic Aortic Stenosis
The main objective of this study is to evaluate the feasibility and safety of the GEMINUS system in patients with severe symptomatic aortic stenosis.
- Trial name
- NCT05909748
- Testing
- GEMINUS Transcatheter Aortic Valve Implantation system
- Where
- 2 sites in Israel
- Volunteers
- 30 people
- Sponsor
- Valve Medical
Acute Myocardial Infarction (AMI)
Using Advanced CT Scans and Blood Markers to Better Understand Heart Damage and Recovery After a Heart Attack
Acute myocardial infarction with ST-segment elevation (STEMI) remains a leading cause of morbidity and mortality worldwide. Although advances in reperfusion therapy have reduced early mortality, many patients later develop…
- Trial name
- NCT07268391
- Testing
- Blood analysis, spectral CT scan and cardiac magnetic resonance imaging (CMR) study, Blood analysis and spectral CT study
- Where
- 4 sites in Spain
- Volunteers
- 95 people
- Sponsor
- Instituto de Investigación Biomédica de Salamanca
Premature Ventricular Beats, Premature Ventricular Complexes
Flecainide in Idiopathic Premature Ventricular Contractions and Related Cardiomyopathy
The UNIFLECA study is a prospective, single-arm, observational cohort evaluating the efficacy, safety, and tolerability of flecainide (in the form of Sanocard) in adults with frequent idiopathic premature ventricular contractions…
- Conditions
- Premature Ventricular Beats, Premature Ventricular Complexes, Premature Ventricular Contraction (PVC), Arrhythmia Ventricular
- Trial name
- UNIFLECA (NCT06949748)
- Testing
- Flecainide (monotherapy)
- Where
- 6 sites in Greece
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- University of Athens
Cardiovascular Diseases, Vascular Diseases
Influence of Age, Weight and Ethnic Background on Blood Pressure
Hypertension, also known as high blood pressure, is a chronic medical condition, in which the blood pressure is elevated. This is a common condition, which can lead to severe complications such as cardiovascular disease, heart…
- Conditions
- Cardiovascular Diseases, Vascular Diseases, Hypertension
- Trial name
- AWE (NCT03014791)
- Testing
- Brief lifestyle/medical history questionnaire, Anthropometric measures, Blood pressure and arterial stiffness
- Where
- United Kingdom
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
COVID-19
Opportunistic Screening for Asymptomatic Left Ventricular Dysfunction in Coronavirus Disease 2019 (COVID19) Survivors
Coronavirus Disease 2019 (COVID-19) emerged in December 2019, and in mere few months has resulted in a pandemic of viral pneumonia.
- Trial name
- NCT04355884
- Testing
- Standard 12-lead ECG, NT-proBNP, echocardiography
- Where
- Hong Kong
- Volunteers
- 100 people
- Sponsor
- The University of Hong Kong
Cardiac Amyloidosis, Aortic Stenosis
The Role of Occult Cardiac Amyloid in the Elderly With Aortic Stenosis.
Aortic stenosis (AS) is the most common valvular heart disease. Once symptomatic with severe AS, outcome is poor unless the valve is replaced surgically or via transcatheter aortic valve replacement (TAVR).
- Trial name
- ATTRact-AS (NCT03029026)
- Testing
- Baseline assessment, Transthoracic echocardiography, 99mTc-3,3-diphosphono-1,2-propanodicarboxylic acid scintigraphy
- Where
- 2 sites in United Kingdom
- Volunteers
- 581 people
- Sponsor
- Queen Mary University of London
Healthy
Latin American Multicenter Cardiovascular Magnetic Resonance Reference Study
This study was designed to investigate the physiological properties of adult heart using cardiovascular magnetic resonance imaging in normal volunteers in Latin America.
- Trial name
- NCT01030549
- Where
- Brazil
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
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