Clinical trials: Dysfunction, Left Ventricular
Lipoprotein Disorder, Arterial Stiffness
The Effect of Lipoprotein (a) on Arterial Stiffness, Endothelial Function and Myocardial Deformation
1. Introduction Lipoprotein(a), or Lp(a), is a type of lipoprotein that is structurally similar to LDL (low-density lipoprotein) but carries an additional protein called apolipoprotein (a). 2.
- Conditions
- Lipoprotein Disorder, Arterial Stiffness, Endothelial Dysfunction
- Trial name
- Lpa_endo (NCT07324902)
- Where
- 2 sites in Greece
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- University of Athens
Cardiomyopathy
Characterization of Sympathetic Nerve Activity in Stress Cardiomyopathy
Stress (Takotsubo) cardiomyopathy (SC) is a peculiar form of acute, reversible myocardial dysfunction predominantly affecting the apical and mid left ventricular segments.
- Trial name
- NCT01048125
- Testing
- Sympathetic Nerve Activity, Mental Stress Test (Color Word Test), The Modified Oxford Technique for Baroreflex Sensitivity
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Diastolic Heart Failure, Left Ventricular Diastolic Dysfunction
2 New Measurements Used to Describe the Filling Phase of the Left Ventricle (LV).
As we live longer our population experiencing heart failure (HF) continues to grow consuming an increasing percent of healthcare dollars.
- Conditions
- Diastolic Heart Failure, Left Ventricular Diastolic Dysfunction, Left Ventricular Diastolic Collapse
- Trial name
- INDEX (NCT04154878)
- Where
- United States
- Volunteers
- 111 people, healthy volunteers welcome
- Sponsor
- AdventHealth
Ventricular Ejection Fraction, LVF
AI-Enabled Direct-from-ECG Ejection Fraction (EF) Severity Assessment Using COR ECG Wearable Monitor
This prospective, multicenter, cluster-randomized controlled study aims to evaluate the accuracy of an investigational artificial intelligence (AI) Software as a Medical Device (SaMD) designed to compute ejection fraction (EF)…
- Conditions
- Ventricular Ejection Fraction, LVF, LV Dysfunction, Atrial Enlargement
- Trial name
- EFACT (NCT06699056)
- Testing
- 15-minutes of sitting during COR ECG Acquistion
- Where
- 8 sites in United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Peerbridge Health, Inc
Congestive Heart Failure
Natriuretic Peptide System as Therapy in Human Preclinical Left Ventricle Dysfunction
In congestive heart failure, cardiac output is low, blood pressure is high, and the body becomes congested with fluid. In normal people, when there is high blood pressure, the heart muscle cells secrete a hormone that excretes…
- Trial name
- PPG1 (NCT00387621)
- Testing
- Nesiritide, Saline
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Horng Chen
Cardiovascular Pathology
New Echocardiographic Parameters for Assessment of Longitudinal Left Ventricular Function
Assessment of left ventricular systolic function is the most frequent indication for routine echocardiography. Qualitative eyeball method and biplane modified Simpson's rule, both measuring radial ventricular function, are the…
- Trial name
- LAX (NCT01275963)
- Where
- Germany
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Heidelberg University
Mitral Regurgitation
Molecular Mechanisms of Volume Overload-Aim 1(SCCOR in Cardiac Dysfunction and Disease)
The investigators hypothesize that beta-1 receptor blockade (ß1-RB) attenuates extracellular matrix (ECM) degradation and progressive adverse Left Ventricular (LV) remodeling and failure in the volume overload of mitral…
- Trial name
- P1A1 (NCT01052428)
- Testing
- metoprolol succinate (Toprol XL)
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Left Ventricular Function Systolic Dysfunction, Left Ventricular Function Diastolic Dysfunction
Cardiac Energetics and Function in Normal Human Ageing
Normal aging is characterized by altered cardiovascular function. Our preliminary data with MR imaging and spectroscopy in normal subjects without cardiovascular disease or hypertension show that age-related cardiac dysfunction…
- Conditions
- Left Ventricular Function Systolic Dysfunction, Left Ventricular Function Diastolic Dysfunction, Ageing
- Trial name
- NCT01504828
- Testing
- Ramipril
- Where
- United Kingdom
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- Newcastle-upon-Tyne Hospitals NHS Trust
Heart Failure, Heart Failure With Reduced Ejection Fraction
AI-ECG for Time-Resolved Prediction of HFrEF
This study aims to develop and validate a deep learning-based electrocardiogram (ECG) model for predicting the future risk of heart failure with reduced ejection fraction (HFrEF).
- Conditions
- Heart Failure, Heart Failure With Reduced Ejection Fraction, Left Ventricular Dysfunction, Cardiac Remodeling
- Trial name
- NCT07519434
- Where
- China
- Volunteers
- 286,709 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
Takotsubo Cardiomyopathy
Sympathetic and Vascular Function in Takotsubo Syndrome
The primary objective of this prospective, observational study is to compare muscle sympathetic nerve activity at rest and during stress between female patients with Takotsubo syndrome and healthy, matched volunteers.
- Trial name
- SAFT (NCT05768542)
- Testing
- Metoprolol Injection, Saline
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Danderyd Hospital
Type 2 Diabetes, Pregnancy
Fat Metabolism in Pregnancy and Neonatal Heart Function in Diabetes
Background: The health of the next generation is likely programmed in the womb (i.e.in utero), and our understanding of how that programming happens will allow us to favorably influence the health of future generations.
- Trial name
- NCT01346527
- Where
- United States
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Kidney Disease, Left Ventricular Hypertrophy
Do Xanthine Oxidase Inhibitors Reduce Both Left Ventricular Hypertrophy and Endothelial Dysfunction in Cardiovascular Patients With Renal Dysfunction?
Cardiovascular related disease is the main cause of death in patients with kidney disease, and "oxidative stress" is thought to be a major contributor by promoting thickening of the heart muscle and stiffening of the arteries.
- Trial name
- NCT00688480
- Testing
- Allopurinol
- Where
- United Kingdom
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- A. D. Struthers
Cardiovascular Diseases
The STandard Versus ImAging SuBstrate Aided Ablation in Severe Left VEntricular Dysfunction VT.
The STABLE-VT trial aims to determine the safety profile and clinical efficacy of a modified approach to ventricular tachycardia (VT) ablation that integrates myocardial scar as visualized on cardiac magnetic resonance (c-MRI) or…
- Trial name
- STABLE-VT (NCT05828667)
- Testing
- Incorporation of CT and/or c-MRI derived myocardial scar with 3D electroanatomical mapping (EAM).
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Left Ventricular Diastolic Dysfunction, Weaning Failure
Left Ventricular Diastolic Dysfunction as a Predictor of Weaning Failure From Mechanical Ventilation
Both premature and delayed extubation prolong the duration of mechanical ventilation and the intensive care unit (ICU) length of stay and increase morbidity and mortality.
- Conditions
- Left Ventricular Diastolic Dysfunction, Weaning Failure, Mechanical Ventilation Complication, Diaphragmatic Disorder
- Trial name
- NCT04703387
- Testing
- transthoracic echocardiography
- Where
- Egypt
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Tanta University
Embolic Stroke of Undetermined Source, Endothelial Dysfunction
Impaired Endothelial Integrity in Patients With Embolic Stroke of Undetermined Source (ESUS)
The investigators will measure endothelial glycocalyx, aortic elastic properties, oxidative stress, and their association with left ventricular (LV) and left atrial (LA) function in ESUS, cardioembolic, atherosclerotic, lacunar…
- Trial name
- ESUS (NCT03609437)
- Where
- Greece
- Volunteers
- 215 people, healthy volunteers welcome
- Sponsor
- University of Athens
Diastolic Function
Determination of Diastolic Dysfunction by Single Lead Electrocardiogram
It is a prospective, controlled, single-center, non-randomized, observational study. From September 2019 to December 2020, the study plans to prospectively include 400 patients aged 18 to 90 years.
- Trial name
- NCT04474639
- Testing
- echocardiographic examination
- Where
- Russia
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- I.M. Sechenov First Moscow State Medical University
Left Ventricular Systolic Dysfunction, Healthy Volunteers
Multicenter Normal Reference Study of Tissue Motion Tracking of Mitral Annular Displacement(TMAD)
To establish the range of TMADmid、TMADmidpt% by using tissue motion tracking of mitral annular displacement (TMAD), and to explore the influencing factors.
- Trial name
- TMAD (NCT04399447)
- Testing
- Echocardiography
- Where
- 76 sites in China
- Volunteers
- 2,400 people, healthy volunteers welcome
- Sponsor
- Weidong Ren
Aortic Regurgitation
Diastolic Dysfunction in Aortic Regurgitation
Follow-up study in patients with severe aortic regurgitation after successful valve replacement. Systolic and diastolic function were assessed and persistent diastolic dysfunction was observed late (7-10 years) after operation.
- Trial name
- NCT00976625
- Testing
- Aortic Valve Replacement
- Where
- Switzerland
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Bern
Chronic Kidney Disease
Effects of a Reduction in Kidney Function on Cardiovascular Structure and Function: A Prospective Study of Kidney Donors
Studies of patients with established kidney disease, even when this is mild, appear to show that they are at high risk of heart failure, stroke and sudden cardiac death.
- Trial name
- NCT01028703
- Where
- United Kingdom
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- University Hospital Birmingham NHS Foundation Trust
Wilson's Disease, Myocardial Dysfunction
Subclinical Myocardial Dysfunction in Children With Wilson's Disease
Wilson's disease (WD) is one of the most common metabolic liver diseases in older children. The most frequent clinical presentation is liver disease. However, Wilson's disease (WD) is a multisystem disorder.
- Conditions
- Wilson's Disease, Myocardial Dysfunction, Children, Wilson Disease
- Trial name
- NCT07765472
- Testing
- Echocardiography, Electrocardiography, N-terminal pro b- type natriuretic peptide
- Where
- 2 sites in Egypt
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Hebatullah Fawzy