Clinical trials: Myocardial Blood Flow Reserve
Coronary Angiography, Fractional Flow Reserve, Myocardial
Fractional Flow Reserve Derived From CT Related Treatment
This study is a retrospective, single-center study.This experiment aims to explore the influence of CT-FFR as a relevant for revascularization on the prognosis of patients with coronary heart disease, assessing concurrent on…
- Conditions
- Coronary Angiography, Fractional Flow Reserve, Myocardial, Coronary Artery Disease
- Trial name
- NCT05319119
- Where
- China
- Volunteers
- 1,000 people
- Sponsor
- Henan Institute of Cardiovascular Epidemiology
Coronary Artery Disease
Blood Flow Reserve: Effects After Training With Heavy Inspiratory Exercises
The goal of this single-site, parallel-group, double-blind, sham-controlled randomized control trial is to examine the effect of high-intensity inspiratory muscle strength training (IMST) on coronary blood flow assessed using…
- Trial name
- BREATHE (NCT05632614)
- Testing
- High-intensity IMST, Low-intensity IMST
- Where
- Canada
- Volunteers
- 40 people
- Sponsor
- Ottawa Heart Institute Research Corporation
Coronary Artery Disease
Influence of Lipid Lowering on Impaired Coronary Flow
This study assess in patients with stable chest pain and coronary artery disease (CAD) determined by coronary CTA whether cholesterol lowering with regression of coronary adverse plaque characteristics is associated with recovery…
- Trial name
- NCT05368545
- Testing
- High intensity lipid lowering
- Where
- Denmark
- Volunteers
- 109 people
- Sponsor
- Aarhus University Hospital
Coronary Artery Stenosis, Transcatheter Aortic Valve Implantation
Complete Functional Assessment of Intermediate Coronary Artery Stenosis Before and After Transcatheter Aortic Valve Implantation (TAVI) in Patients With Severe Symptomatic Aortic Valve Stenosis
The purpose of the current study is to assess complete coronary physiology (FFR, RFR, CFR, IMR, and CT-FFR) in TAVI candidates with intermediate coronary artery stenosis before and 6 months after TAVI.
- Trial name
- CHOICE-FR (NCT05133843)
- Testing
- Assession of complete coronary physiology
- Where
- Germany
- Volunteers
- 50 people
- Sponsor
- Helios Health Institute GmbH
Coronary Artery Disease
Ticagrelor vs Clopidogrel Effect on MFR in CAD Population
Ticagrelor is one of 3 anti-platelet medications used in patients with acute coronary syndrome (ACS) to prevent further clot formation and further ischemic damage to myocardial tissue.
- Trial name
- PATH (NCT01894789)
- Testing
- Ticagrelor, Clopidogrel
- Where
- Canada
- Volunteers
- 36 people
- Sponsor
- Ottawa Heart Institute Research Corporation
Coronary Vessels, Endothelins
Endothelin-Receptor Blockade in Coronary Heart Disease
Endothelin is a hormon that causes acute and chronic narrowing of heart vessels. The purpose of this study is to assess whether suppression of this activity by using two types of receptor antagonists can reduce this effect and…
- Conditions
- Coronary Vessels, Endothelins, Vascular Resistance
- Trial name
- NCT00427232
- Testing
- BQ-123 and BQ-788
- Where
- Austria
- Volunteers
- 26 people
- Sponsor
- Medical University of Vienna
Coronary Artery Disease
A Head-to-Head Comparison of A New Perfusion Tracer, 99mTc-4BOH vs. 13N-NH3 to Evaluate Diagnostic Efficacy of Ischemic Heart Disease
The objective of the study is to assess the diagnostic efficacy (specificity and sensitivity) of 99mTc-4BOH SPECT myocardial perfusion imaging (MPI) compared to 13N-ammonia PET MPI in the detection of significant coronary artery…
- Trial name
- NCT06980194
- Testing
- 99mTc-4BOH SPECT myocardial perfusion imaging, 13N-ammonia PET myocardial perfusion imaging
- Volunteers
- 300 people
- Sponsor
- China National Center for Cardiovascular Diseases
Aging, Heat Stress
Impact of Extreme Heat on Myocardial Blood Flow and Flow Reserve in Young and Older Adults
Extreme heat causes a disproportionate number of hospitalizations and deaths in older adults relative to any other age group. Importantly, many hospitalizations and deaths are primarily due to cardiovascular events such as…
- Conditions
- Aging, Heat Stress, Hyperthermia, Heat Strain
- Trial name
- NCT06842784
- Testing
- Ambient heat stress
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Myocardial Ischemia
Multi-modality Imaging of Ischemia With 18F-FDG PET and CTA
Coronary artery disease results in narrowing of the blood vessels supplying oxygenated blood to the heart muscle. Diagnosis in patients with symptoms of chest pain is now quickly done with CT coronary angiography.
- Trial name
- NCT01520025
- Testing
- PET MPI imaging with 18F-Fluorodeoxyglucose
- Where
- Canada
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Ottawa Heart Institute Research Corporation
Transthyretin Cardiac Amyloidosis
Effect of Trimetazidine on Coronary Flow in Transthyretin Cardiac Amyloidosis
The goal of this clinical trial is to learn if trimetazidine can improve blood flow in the heart in adults with transthyretin cardiac amyloidosis (ATTR-CM).
- Trial name
- TACT-TTR (NCT07836699)
- Testing
- Trimetazidine
- Where
- Brazil
- Volunteers
- 20 people
- Sponsor
- Fábio Fernandes
Coronary Artery Disease, Atherosclerosis, Coronary
HIV Infection And Evolvement of Atherosclerotic Plaque
In a prospective multi-center observational study, 200 HIV-infected patients treated with antiretroviral treatment (ART) and who suffered from coronary artery disease (CAD) will be enrolled.
- Conditions
- Coronary Artery Disease, Atherosclerosis, Coronary, Hiv, HIV Infections
- Trial name
- HIVE (NCT04810364)
- Testing
- Quantitative coronary angiography, intravascular imaging with percutaneous intervention
- Where
- 2 sites in Russia
- Volunteers
- 1,000 people
- Sponsor
- Central Clinical Hospital of the Russian Academy of Sciences
Ischemic Heart Disease
Myocardial Perfusion Imaging by 15O-H2O PET/CT
The trial will include 5000 patients with evident or suspected ischemic heart disease refered to Department of Nuclear Medicine \& PET Centre, Aarhus University Hospital, for perfusion imaging by 15O-H2O PET/CT scan of the heart…
- Trial name
- NCT04451551
- Where
- Denmark
- Volunteers
- 5,000 people
- Sponsor
- University of Aarhus
Acute Decompensated Heart Failure
Assessment of Coronary Flow Reserve in Heart Failure Patients After Ultrafiltration Versus Diuretics
The purpose of this research study is to compare the effects (good and bad) of ultrafiltration treatment with standard intravenous (in your vein) diuretic therapy (furosemide, torsemide, bumetanide) on your heart function and…
- Trial name
- NCT01457053
- Testing
- Loop diuretics (furosemide, torsemide, bumetanide), Ultrafiltration
- Where
- 2 sites in United States
- Volunteers
- 4 people
- Sponsor
- University of Cincinnati
Human Immunodeficiency Virus (HIV), Cardiovascular Disease (CVD)
The Effects of Statin Therapy on Coronary Flow Reserve and Inflammatory Markers in HIV-Positive Patients
The purpose of this study is to determine whether the use of rosuvastatin in Human Immunodeficiency Virus (HIV) infected individuals lowers inflammation in blood vessels, improves blood circulation in the small arteries that…
- Trial name
- NCT02234492
- Testing
- Rosuvastatin
- Where
- 2 sites in Canada
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Ottawa Heart Institute Research Corporation
Myocardial Ischemia, Autonomic Neuropathy
Coronary Blood Flow Regulation During General Anesthesia
The central hypothesis in the present project is that general anesthesia may alter autonomic control such that perioperative coronary blood flow (CBF) is significantly disturbed.
- Conditions
- Myocardial Ischemia, Autonomic Neuropathy, Healthy, Diabetes
- Trial name
- NCT00866801
- Where
- Netherlands
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Amsterdam UMC, location VUmc
Coronary Artery Disease, Coronary Stenosis
The Flash FFR Ⅱ Study
The overall purpose of Flash FFR Ⅱ is to investigate whether coronary angiography-derived fractional flow reserve (caFFR), compared with fractional flow reserve (FFR) measured by a pressure wire, has non-inferior clinical effect…
- Conditions
- Coronary Artery Disease, Coronary Stenosis, Myocardial Ischaemia, Coronary Circulation
- Trial name
- NCT04575207
- Testing
- caFFR, FFR
- Where
- 13 sites in China
- Volunteers
- 2,132 people
- Sponsor
- Peking University First Hospital
Coronary Artery Disease
Measurements to Assess Severity of Epicardial Stenoses
Newly developed diagnostic parameters have potential to differentiate between epicardial disease and microvascular dysfunction with the help of anatomical details and physiological endpoints and can be used in present clinical…
- Trial name
- MASES (NCT00760630)
- Testing
- FFR/CFR and IVUS
- Where
- 2 sites in United States
- Volunteers
- 10 people
- Sponsor
- University of Cincinnati
Myocardial Blood Flow Reserve, Mechanical Dyssynchrony
Mechanical Dyssynchrony and Microvascular Dysfunction by SPECT
The project is aimed at studying the feasibility of mechanical dyssynchrony of the left ventricle of the heart, determined by SPECT (gated MPI), as well as its stress-induced dynamics, in the evaluation of patients with coronary…
- Conditions
- Myocardial Blood Flow Reserve, Mechanical Dyssynchrony, Coronary Arterial Disease (CAD)
- Trial name
- MD&MD (NCT06969547)
- Testing
- dynamic SPECT (two-day rest/stress protocol), gated myocardial perfusion imaging, blood sampling
- Where
- Russia
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Tomsk National Research Medical Center of the Russian Academy of Sciences