Clinical trials: Coronary Circulation
Normal Healthy Volunteers Without Chronic Medical Conditions, Coronary Artery Disease
3D PET Myocardial Blood Flow and Rb82 Infusion Profiles
The investigators seek to test bolus infusions (50ml/min) vs. slow infusions (20 ml/min) of Rb-82 on metrics of coronary blood flow assessed on a modern 3D PET/CT.
- Conditions
- Normal Healthy Volunteers Without Chronic Medical Conditions, Coronary Artery Disease, Cardiac Risk Factors, Myocardial Infarction
- Trial name
- NCT05286593
- Testing
- Slow Infusion of Rubidium-82
- Where
- United States
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Ochsner Health System
Coronary Arterial Disease (CAD), Angina (Stable)
Effect of Beta-blockers on Coronary Flow and Resistance in Patients With ANOCA
The goal of this clinical trial is to learn whether beta-blockers can improve coronary blood flow and reduce resistance in patients with angina and no obstructive coronary arteries (ANOCA).
- Conditions
- Coronary Arterial Disease (CAD), Angina (Stable), Microvascular Circulation
- Trial name
- BEACON (NCT06864234)
- Testing
- Saline (NaCl), Metoprolol Tartrate
- Where
- Belgium
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- VZW Cardiovascular Research Center Aalst
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.
Williams Syndrome, Supravalvular Aortic Stenosis
Impact of Elastin Mediated Vascular Stiffness on End Organs
Background: People with Williams Syndrome (WS) and supravalvular aortic stenosis (SVAS) have less elasticity in their blood vessels. This is called blood vessel stiffness.
- Conditions
- Williams Syndrome, Supravalvular Aortic Stenosis, Cardiovascular Disease
- Trial name
- NCT02840448
- Where
- 2 sites in United States
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Healthy
GLP-1's Effect on Cardiac Parameters and Mesenteric Blood Flow
to investigate the effect of the human incretin hormone GLP-1 on mesenteric blood flow and cardiac parameters
- Trial name
- NCT01988545
- Testing
- 1,5 nmol/kg,GLP-1 sc injection, 1,5 nmol/kg GLP-1 9-36amide, sc injection, Exendin-4 ;10 ug,sc injection
- Where
- Denmark
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Zealand University Hospital
Cardiovascular Disease
Evaluation of Patients With Heart Disease Not Eligible for Research Protocols
An important mission of the National Institutes of Health (NIH) is to develop and carry out research studies designed to improve understanding of disease processes and treatments.
- Trial name
- NCT00001458
- Where
- United States
- Volunteers
- 7,829 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
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
Heart Failure
Effect of Exercise-based Rehabilitation on Circulatory Functions in Patients With Diastolic Heart Failure
The purpose of this study is to investigate how exercise-base rehabilitation influences circulatory functions in patients with diastolic heart failure (DHF).
- Trial name
- NCT01053091
- Testing
- exercise
- Where
- Taiwan
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Myocardial Infarction
Venous Function in Cardiovascular Disease Patients
The primary aim is to determine the acute effect of two different training interventions on venous plasticity in patients with myocardial infarction (MI), revascularization or coronary artery graft surgery compared to age-matched…
- Trial name
- NCT01474408
- Testing
- interval training day 1, Moderate exercise day 2, Control day 3
- Where
- Norway
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Norwegian University of Science and Technology
Single-ventricle, Fontan Circulation
Venous Compression in Fontan
The aim of this study is to investigate whether venous compression garments increase exercise stroke volume in patients with Fontan circulation. To address this aim, we will test the following hypotheses: 1.
- Trial name
- NCT07220226
- Testing
- Lower extremity compression garments, Without compression garments
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Healthy Volunteers
The Relationship Between Cardiac Output and Microvascular Visceral Blood Flow
Although major surgery is often required to treat abdominal problems, there is a significant risk of death or complication following these operations.
- Trial name
- NCT02167178
- Testing
- Administration of 0.9% NaCl solution, Measurement of stroke volume, Measurement of microvascular blood flow
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Cardiogenic Shock
CorVad Myocardial Infarction Complicated with Cardiogenic Shock Trial
Cardiogenic shock a serious complication of a heart attack (myocardial infarction). Despite evaluation of several new treatments during the last decade, the mortality in patients with cardiogenic shock still exceeds 50%.
- Trial name
- Corvad AMICS (NCT06886113)
- Testing
- Conventional circulatory support, CorVad
- Where
- China
- Volunteers
- 269 people, healthy volunteers welcome
- Sponsor
- Shenzhen Core Medical Technology CO.,LTD.
Chest Wall Blocks
Serratus Anterior Plan Block (SAP) and Pectoralis (PECSI-II) Blocks on Left Internal Mammarian Artery (LIMA) Blood Flow
To investigate whether the anterior chest wall blocks performed before the surgery have an effect on the LIMA (left internal mammarian artery) blood flow in patients who will undergo coronary artery bypass surgery.
- Trial name
- NCT05907798
- Testing
- LIMA Blood flow
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Yuzuncu Yil University
Healthy
Effects of Red Wine and Cognac on Coronary Circulation
Red wine consumption is associated with reduced cardiovascular disease mortality, and the cardioprotective properties may be partly related to its ability to improve endothelial function.
- Trial name
- NCT00330213
- Testing
- red wine and cognac consumption
- Where
- Finland
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of Turku
Coronary Artery Disease
F-18 Rhodamine 6G PET Imaging for Myocardial Blood Flow
Use of novel radio-pharmaceutical Rhodamine 6G to determine myocardial blood flow
- Trial name
- NCT04528758
- Testing
- Rhodamine 6G
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
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
Coronary Artery Bypass Grafting, Cardiopulmonary Bypass
Relationship Between Perioperative Carotid Blood Flow Monitoring and Cerebral Function Protection in Cardiac Surgery
Postoperative cognitive dysfunction (POCD) is a common complication of cardiac surgery, mainly manifested as mental confusion, anxiety, personality change and memory impairment, which seriously affects the quality of life of…
- Trial name
- NCT05586347
- Testing
- Nicardipine, normal saline
- Where
- China
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Nanjing First Hospital, Nanjing Medical University
Non Cardiac Surgery
End-tidal Carbon Dioxide as a Non-invasive Predictor for Changes in Cardiac Output in Non-cardiac Surgery
Cardiac output (CO) is challenging to measure at the bedside. The traditional gold standard for measuring CO requires the insertion of a pulmonary artery catheter which is invasive, associated with a risk for serious…
- Trial name
- NCT06962748
- Testing
- cerebral blood flow measurment, TTE CO measurment, ETCO2
- Where
- Egypt
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Coronary Artery Disease
Myocardial Perfusion Imaging Galmydar Rest/Stress
A single center, phase 0/1 clinical imaging study designed to assess the role of [68Ga]Galmydar PET/CT imaging in human subjects.
- Trial name
- NCT05625490
- Testing
- Ga-68 Galmydar, 13N-ammonia
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Preterm, Patent Ductus Arteriosus
NeoDoppler: New Ultrasound Technology for Continuous Monitoring of Cerebral Circulation Pilot
Non-invasive tools for monitoring of course of disease are important and necessary in the treatment of pre-term/premature infants and sick neonates.
- Conditions
- Preterm, Patent Ductus Arteriosus, Sepsis, Asphyxia
- Trial name
- CE-NeoDoppler (NCT06646250)
- Testing
- NeoDoppler - CE certified
- Where
- Norway
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- St. Olavs Hospital