Clinical trials: Left Ventricular Function
Healthy Volunteer
coMparison Between invAsive and Non-invasive assessmenT on Blood Pressure and Cardiac Function in HealthY Participants
This is a cross-sectional cohort study which aims to compare the invasive and non-invasive assessments on aortic blood pressure and cardiac funtion in subjects without history of cardio-vascular disease.
- Trial name
- MATCHY (NCT03372616)
- Testing
- Invasive left ventricular diastolic function assessment, Invasive aortic blood pressure measurement, Non-Invasive left ventricular diastolic function assessment
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Shanghai 10th People's Hospital
Rheumatoid Arthritis, Inflammation
Effects of Interleukin-6 Inhibition on Vascular, Endothelial and Left Ventricular Function in Rheumatoid Arthritis
Recent studies show beneficial effect of the inhibition of interleukin-6 (IL-6) activity on vascular and left ventricular (LV) function.
- Trial name
- NCT03288584
- Testing
- Tocilizumab (Actemra®), Other biological agent, Corticosteroid and non-biological agents.
- Where
- Greece
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Athens
Chronic Kidney Disease, Hypertrophy, Left Ventricular
Effects of a Reduction in Renal Function on Cardiovascular Structure and Function
Chronic kidney disease (CKD) is present in 1 in 7 of the population and confers a high risk of cardiovascular disease. The pathophysiology of cardiovascular disease in CKD is poorly understood because CKD is always accompanied by…
- Conditions
- Chronic Kidney Disease, Hypertrophy, Left Ventricular, Hypertension
- Trial name
- CRIB-DONOR II (NCT02973607)
- Testing
- Nephrectomy
- Where
- United Kingdom
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- University Hospital Birmingham NHS Foundation Trust
Heart Diseases, Left Ventricular Dysfunction
InterventiOn of Biventricular Pacemaker Function on ventrIcular Function Among Patients With LVAD's
The primary reason the investigators are doing this study are to understand how the right side of the heart functions in heart failure patients with left ventricular assist devices (LVADs, or "mechanical hearts").
- Trial name
- ROBIN (NCT03232736)
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
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
Cardiovascular Diseases
Chronic and Acute Effects of Smoking on the Left and Right Ventricular Relaxation in Young Healthy Smokers
Impairment of relaxation, the early phase of ventricular diastole is the first stage of heart diastolic dysfunction. Left ventricular diastolic function can be determined noninvasively by Echo- Doppler - derived mitral valve flow…
- Trial name
- NCT00395928
- Where
- Poland
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Medical University of Warsaw
Dilated Cardiomyopathy
Effect of Allopurinol on Left Ventricular Function in Children With Dilated Cardiomyopathy
The aim of this study is to detect effect of allopurinol supplementation in pediatric patients with dilated cardiomyopathy.
- Trial name
- NCT05193838
- Testing
- Allopurinol Tablet
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Assiut University
End Stage Heart Failure
Impact of LVAD Implantation on Micro- and Macrovascular Function
End stage heart failure is characterized by a critical inability of the heart to meet the organism's blood demand even under resting conditions.
- Trial name
- LVAD (NCT02174133)
- Where
- Germany
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Klinik für Kardiologie, Pneumologie und Angiologie
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
Hypertension,Essential
Endothelial Function in Prehypertension
In the frame of this proposal investigators will test the hypothesis that high normal blood pressure (prehypertension; PreHT) induces systemic endothelial dysfunction and endothelial activation in both micro- and…
- Trial name
- NCT06316271
- Where
- Croatia
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Josip Juraj Strossmayer University of Osijek
Left Ventricular Function Good
Left Atrial Volume and Function in Children Assessed by Echo 3DRT: Reference Values for Normal Children
The investigators study is trying to find the normal value to left atrial volume and left atrial function in healthy children by tridimensional real time echocardiography avaluation.
- Trial name
- NCT01481415
- Where
- 2 sites in Brazil
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- Hospital Israelita Albert Einstein
Heart Failure With Preserved Ejection Fraction, Heart Failure With Midrange Ejection Fraction
Transcutaneous Vagus Nerve Stimulation in Heart Failure
Several studies have shown that alterations in autonomic nervous system function are implicated in the onset and progression of numerous cardiovascular diseases.
- Trial name
- TRANSFER (NCT05789147)
- Testing
- Active tVNS
- Where
- Italy
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Istituti Clinici Scientifici Maugeri SpA
Echocardiography, Doppler
Technical Development of Strain Rate Echocardiography
This study will examine heart function using two imaging techniques - echocardiography (ultrasound) and magnetic resonance imaging (MRI) - to evaluate newly developed software for echocardiograph machines.
- Trial name
- NCT00075920
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
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
Fontan Procedure, Hypoplastic Left Heart Syndrome
Impact of Vitamin C on Endothelial Function and Exercise Capacity in Fontan-Palliated Patients
In this study, investigators will evaluate the effect of vitamin C on endothelial function, exercise tolerance and quality of life in patients with a single ventricle who have been palliated to Fontan physiology.
- Conditions
- Fontan Procedure, Hypoplastic Left Heart Syndrome, Tricuspid Atresia
- Trial name
- NCT00974025
- Testing
- Vitamin C
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- University of Michigan
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
Heart Failure, Asymptomatic Systolic Dysfunction
Human B-type Natriuretic Peptide (BNP) (Nesiritide) to Help Heart, Kidney, and Hormonal Functions in Persons With Lower Heart Pumping Function
The following are done for screening procedures to determine if patients are eligible for this study: blood count, kidney and liver blood tests. Patients will complete a 6-minute walk test.
- Trial name
- NCT00405639
- Testing
- Nesiritide
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
EF Evaluation From 4 Chamber Plane, EF Evaluation From 2 Chamber Plane
Automated Left Ventricular Function Evaluation by LVivoEF
Left ventricular ejection fraction (EF) is evaluated in every echocardiographic examination either by visual estimation (eyeballing) requiring high level of training and expertise and/or by manual tracing of the endocard from…
- Conditions
- EF Evaluation From 4 Chamber Plane, EF Evaluation From 2 Chamber Plane, Biplane EF Evaluation, Left Ventricular Function
- Trial name
- LVivoEF (NCT01515267)
- Where
- Israel
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- DiA Imaging Analysis Ltd
Aortic Stenosis, Cardiac Death
Endothelial Progenitors in Aortic Stenosis: Association With Aortic Stenosis Progression and Severity
There is a correlation between endothelial progenitor cells (stem cells) and stenosis of the aortic valve.
- Trial name
- NCT02060071
- Testing
- Blood test
- Where
- Israel
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Kaplan Medical Center
Hypertension, Left Ventricular Hypertrophy
Pediatric Hypertension and the Renin-Angiotensin SystEm (PHRASE)
Studying the causal roles of components of the renin-angiotensin-aldosterone system (including angiotensin-(1-7) (Ang-(1-7)), angiotensin-converting enzyme 2 (ACE2), Ang II, and ACE), uric acid, and klotho in pediatric…
- Conditions
- Hypertension, Left Ventricular Hypertrophy, Left Ventricular Dysfunction, Left Atrial Dilatation
- Trial name
- PHRASE (NCT04752293)
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences