Clinical trials: Cardiac Flow
Heart Failure and Reduced Ejection Fraction
The Effect of Ozone Treatment on Coronary Flow Reserve in Patients With Heart Failure Having Reduced Ejection Fraction
The goal of this clinical trial is to determine the effect of ozone treatment in heart failurte with reduced ejection fraction. The main questions it aims to answer are: Does ozone treatment have beneficial effects in heart…
- Trial name
- NCT07134972
- Testing
- Ozone treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ekrem Bilal Karaayvaz
Diabetes Mellitus
Vascular Markers During OGTT in Diabetics and First-degree Relatives
Arterial stiffness is associated with increased risk for cardiovascular disease. Moreover, the integrity of endothelial glycocalyx plays a vital role in vascular permeability, inflammation and elasticity.
- Trial name
- NCT02244736
- Where
- Greece
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Athens
Coronary Arterial Disease (CAD)
Non-invasive Detection of Coronary Artery Stenosis
The aim of this viability study is to investigate using a novel medical device, the potential for detecting partial blockages in the arteries within the wall of the heart (coronary artery stenosis).
- Trial name
- NIDCAS (NCT06750016)
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Nilocas
Healthy
Study to Evaluate Subclinical Atherosclerosis (an Early Sign of Heart Disease) in Healthy Adult Immigrant Asian Indians
Previous research has shown that Asian Indians are at relatively high risk for developing diabetes, heart problems and high blood pressure.
- Trial name
- NCT01104597
- Testing
- Flow Mediated Doppler (FMD), Nitroglycerin 0.4 mg sublingual
- Volunteers
- healthy volunteers welcome
- Sponsor
- Northwell Health
Coronary Artery Disease
PrOgnostic Implications of PRe-stent Pullback Pressure GradIent and Post-stent Quantitative Flow Ratio in Patients UnderGoing Percutaneous Coronary INtervention
The purpose of this study is to investigate the prognostic implication of pre-percutaneous coronary intervention (PCI) focal or diffuse disease patterns combined with post-PCI quantitative flow ratio (QFR).
- Trial name
- CHART-ORIGIN (NCT05104580)
- Testing
- Quantitative Flow Ratio derived PPG
- Volunteers
- 1,395 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
Coronary Artery Disease
Palmar Arch Insufficiency as a Risk Factor for Radial Artery Occlusion After Transradial Catheterization
Transradial access (TRA) is commonly used in different medical fields due to the superficial position of the radial artery and related advantages.
- Trial name
- PAIRAO (NCT03993834)
- Where
- Switzerland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Kidney Disease, Chronic, Myocardial Dysfunction
Coronary Microvascular Dysfunction in Chronic Kidney Disease
This is an observational study assessing coronary microvascular function in healthy controls with normal kidney function, living kidney donors, pre-dialysis patients with chronic kidney disease stage 5 and patients on peritoneal…
- Trial name
- CRIB-FLOW (NCT04014127)
- Testing
- Coronary flow reserve assessment, Sphygmocor, Electrocardiogram
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University Hospital Birmingham NHS Foundation Trust
Congenital Heart Disease, Pulmonary Hypertension
Integrated Computational modelIng of Right Heart Mechanics and Blood Flow Dynamics in Congenital Heart Disease
Advances in paediatric cardiology and cardiac surgery have enabled the survival of most patients born with congenital heart disease (CHD) into adulthood.
- Trial name
- NCT03217240
- Testing
- Cardiac Magnetic Resonance - MRI, Cardiopulmonary Exercise Test, Blood Sampling for all participants
- Where
- 3 sites in Singapore
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- National Heart Centre Singapore
Coronary Artery Disease
CO2 as a Stress Agent for Perfusion Imaging
Myocardial perfusion imaging (MPI) is a nuclear scan using a radioisotope to see blood flow to the muscles of the heart when the heart is at rest and when it is under stress.
- Trial name
- CO2 STRESS (NCT02043535)
- Testing
- Delivery of precise levels of carbon dioxide with the RA-MR™ Virtual Sequential Gas Delivery System., Delivery of rubidium radioisotope (Rb-82) using the automated pump/elution system
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Ottawa Heart Institute Research Corporation
Coronary Artery Disease (CAD), Computed Tomography Angiography
AI-assisted CT for Risk Stratification in Coronary Artery Disease (ACTION)
The goal of this observational study is to learn if AI-assisted cardiac CT imaging can improve cardiovascular risk stratification and prediction of future coronary events in an adult population undergoing clinically indicated…
- Conditions
- Coronary Artery Disease (CAD), Computed Tomography Angiography, Biomarkers, AI (Artificial Intelligence)
- Trial name
- ACTION (NCT07577609)
- Where
- Ireland
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- University of Galway
Exercise
Correlation Between HRV and Performance in Eccentric Resistance Training Associated With Partial Blood Flow Restriction
Studies on resistance training (RT) associated with blood flow restriction (BFR) is an alternative method of gaining strength and hypertrophy muscle.
- Trial name
- NCT04422301
- Testing
- Blood flow restriction
- Where
- Brazil
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Franciele Marques Vanderle
HFpEF
Muscle Blood Flow Regulation in HFpEF
Heart failure with preserved ejection (HFpEF) disproportionately affects Veterans and is the number one reason for hospital discharge in the VA Health Care System.
- Trial name
- NCT05115890
- Testing
- Exercise training
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Health, Subjective
Effects of Blood Flow Restriction Training on Exercises in Healthy Individuals.
Partial restriction of blood flow to working muscles during exercise is proven to increase muscle mass and strength even with low-intensity of exercise.
- Trial name
- NCT06254586
- Testing
- Aerobic exercises, Resisted exercises
- Where
- Saudi Arabia
- Volunteers
- 480 people, healthy volunteers welcome
- Sponsor
- Prince Sattam Bin Abdulaziz University
Prostate Cancer
Study to Monitor the Effects of Androgen Suppression Treatment on the Heart
Suppression of effects of androgens with male sex hormones, androgen suppression treatment (AST), has been known to reduce deaths and prolong life in advanced prostate cancer.
- Trial name
- AST (NCT01230905)
- Testing
- PET scan and ultrasound
- Where
- Canada
- Volunteers
- 181 people, healthy volunteers welcome
- Sponsor
- Ottawa Heart Institute Research Corporation
Sedentary Behavior Pulmonary Function Cardiopulmonary Fitness
Pilates With Diaphragmatic Breathing in Sedentary Women
This randomized controlled trial evaluated whether adding diaphragmatic breathing exercises to an eight-week supervised Pilates program improves pulmonary function, resting heart rate, and core endurance in sedentary women aged…
- Trial name
- PDB-Pilates (NCT07650929)
- Testing
- Pilates Exercise Program, Diaphragmatic Breathing Exercise
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Bandırma Onyedi Eylül University
Coronary Disease, Healthy
Study of Blood Flow in Heart Muscle
Blood flows to areas of the heart providing oxygen and fuel to the pumping muscle. Occasionally the arteries providing the fuel can become blocked. This occurs in coronary artery disease.
- Conditions
- Coronary Disease, Healthy, Hypertrophic Cardiomyopathy, Myocardial Ischemia
- Trial name
- NCT00001631
- Testing
- Magnetic resonance imaging
- Where
- United States
- Volunteers
- 249 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Congestive Heart Failure (CHF)
Pulmonary Blood Flow Measurements in CHF Patients
Historically, transthoracic Doppler echocardiography has been unable to provide interpretable data of blood flow within the lung parenchyma because of air attenuation of Doppler signals.
- Trial name
- NCT01831713
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Echosense Ltd.
Healthy
Analysis of Heart Muscle Function Following Exercise in Patients With Heart Disease
This study is designed to examine the blood flow, the nutrition, and the beating function of the heart under different conditions. Patients with narrowed coronary arteries my have restricted blood flow to the heart.
- Trial name
- NCT00001528
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Chronic Obstructive Pulmonary Disease
The Effects of Aerobic Exercise Training on Vascular, Cardiac and Cerebral Vascular Function in COPD
The primary cause of chronic obstructive pulmonary disease is smoking, which can lead to inflammation in the lungs and blood vessels that can lead to secondary problems such as blood vessel disease, high blood pressure and heart…
- Trial name
- NCT02875522
- Testing
- Individualized, non-linear aerobic exercise training
- Where
- Canada
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Heart Failure, Endothelium
Effect of Urocortins in Patients With Heart Failure
Despite modern advances in treatment, heart failure continues to carry a poor prognosis with high morbidity and mortality rates.
- Trial name
- NCT01599728
- Testing
- Urocortin 2, Urocortin 3 and Substance P
- Where
- United Kingdom
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh