Clinical trials: Coronary Circulation
Cardiovascular Disease, Heart Failure
Effects of Urocortins on Forearm Arterial Blood Flow in Healthy Volunteers - Protocol 4
Impairment of the heart's pumping capacity (heart failure) remains a major clinical problem with a poor prognosis and the search for novel treatments remains an important area of research.
- Trial name
- NCT01296607
- Testing
- Urocortin 2, Urocortin 3
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Sepsis, Septic Shock
The Role of Serotonin in Intensive Care Patients
Sepsis, cardiac arrest and multiple trauma are potentially life-threatening conditions and common reasons for intensive care unit (ICU) admission.
- Conditions
- Sepsis, Septic Shock, Cardiac Arrest With Successful Resuscitation, Multiple Trauma
- Trial name
- SERO-22 (NCT05386199)
- Where
- Norway
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Oslo University Hospital
Vascular Disease, Heart Disease
Effects of Urocortins on Forearm Arterial Blood Flow in Healthy Volunteers
Impairment of the heart's pumping capacity (heart failure) remains a major clinical problem with a poor prognosis and the search for novel treatments remains an important area of research.
- Trial name
- NCT01049542
- Testing
- Astressin 2B
- Where
- United Kingdom
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Electronic Fetal Monitoring, Fetal Hypoxia
Oxygen for Intrauterine Resuscitation of Category II Fetal Heart Tracings
Maternal oxygen administration for concerning fetal heart rate tracing (FHT) patterns is common practice on Labor and Delivery units in the United States.
- Conditions
- Electronic Fetal Monitoring, Fetal Hypoxia, Fetal-Placental Circulation
- Trial name
- O2C2 (NCT02741284)
- Testing
- Room air, 10L Oxygen by nonrebreather mask
- Where
- United States
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Coronary Artery Disease, Echocardiography, Stress
New Three-dimensional Methods of Analysis for the Detection of Coronary Artery Disease by Dobutamine Stress Echocardiography
The investigators are going to recruit patients who have a scheduled elective coronary angiography and going to do a dobutamin stress echography (DSE) before the coronary examination.
- Trial name
- 3-DSE (NCT02240745)
- Testing
- Stress-echocardiography
- Where
- Switzerland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Acute Circulatory Failure
Evaluation of Doppler Flow From the Femoral Artery as a Reflection of Cardiac Flow in a Vascular Fluid Test
In order to identify the responding patients with vascular filling test, this research aims to compare the performance of the increased flow in the femoral artery to the performance of the blood pressure increase.
- Trial name
- RER D (NCT02878369)
- Testing
- Doppler measurement of blood flow in the outflow tract of the left ventricle and the femoral artery,Reading blood pressures displayed on the monitor.
- Where
- France
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Nantes University Hospital
Coronary Arterial Disease (CAD)
Comparative of Plasma Proteomics & Metabolomics in Coronary Artery Disease: Obstructive,Non-Obstructive, & No Lesions
The presence and clinical evolution of coronary atherosclerosis depend on various classic risk factors and biomarkers. However, the search for more specific markers is necessary, especially for individuals with non-obstructive…
- Trial name
- PROTEODAC (NCT06900270)
- Where
- Brazil
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo General Hospital
Transposition Great Arteries, Executive Dysfunction
The Boston Circulatory Arrest Study: Antecedents and Correlates of Well-Being in Adults With Congenital Heart Disease
In the landmark Boston Circulatory Arrest Study, neurologic and developmental status was measured following infant heart surgery and then prospectively at ages 1, 2.5, 4, 8, and 16 years, with findings of significant…
- Trial name
- BCAS-Adult (NCT03073122)
- Testing
- Brain MRI, neurocognitive and psychological testing
- Where
- United States
- Volunteers
- 127 people, healthy volunteers welcome
- Sponsor
- Boston Children's Hospital
Coronary Heart Disease
Cadmium-zinc-telluride (CZT) Imaging of Myocardial Blood Flow (MBF) (SPECT MBF)
This study is being done to compare the blood flow measurements obtained with the SPECT and PET imaging scans. Measurements such as myocardial blood flow (MBF) and myocardial flow reserve (MFR) are analyzed on PET scans.
- Trial name
- SPECTMBF (NCT02280941)
- Testing
- single photon emission computed tomography
- Where
- Canada
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Ottawa Heart Institute Research Corporation
Hookah Smoking
Effects of Hookah Smoking on Blood Flow to the Heart, Muscle and Skin
This is a pilot study on acute effects of Hookah smoking on the sympathetic neural control of the human cardiovascular system. Hookah smoking is known to transiently increase blood pressure and heart rate while decreasing heart…
- Trial name
- NCT02147665
- Testing
- Hookah smoking
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
Patent Foramen Ovale, Intrapulmonary Arteriovenous Anastamosis
Is Blood Flow Through IPAVA and PFO Related to Breath-hold and SCUBA Diving-induced Pulmonary Hypertension?
In summary, the investigators propose to study elite Croatian breath-hold and SCUBA divers. The investigators will quantify breath-hold hypoxia- and SCUBA diving-induced pulmonary hypertension and right heart function to…
- Trial name
- NCT03945643
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- University of Oregon
Nicotine-free Hookah Smoking
Effects of Nicotine-Free Hookah Smoking on Blood Flow to the Heart, Muscle and Skin
This is a pilot study on the acute effects of nicotine-free hookah (herbal/steam stones) smoking on the sympathetic neural control of the human cardiovascular system.
- Trial name
- NCT02310373
- Testing
- Nicotine free hookah smoking
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
Univentricular Heart, Lymphatic Abnormalities
Lymphatic Function in Patients With a Fontan Circulation From Brazil
It is suggested that the elevated central venous pressure in patients with a Fontan circulation can provoke manifestation of lymphatic dysfunction, met as plastic bronchitis, peripheral oedema and most feared protein-losing…
- Conditions
- Univentricular Heart, Lymphatic Abnormalities, Lymphatic Edema
- Trial name
- NCT04394507
- Testing
- Near-Infrared Fluorescence imaging, Strain Gauge Plethysmography
- Where
- 2 sites in Denmark
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
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
Myocardial Blood Flow by PET and N-13 Ammonia During Regadenoson vs Adenosine Stress
Blockage of the heart arteries (coronary artery disease) can lead to angina (chest pain), heart attacks, heart failure, and/or death.
- Trial name
- NCT01370265
- Testing
- Regadenoson, Adenosine, N-13 ammonia
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Heart Disease, Vasodilation
Interaction of Apelin and Angiotensin in the Human Forearm Circulation
The apelin-APJ system is a relatively new discovery. It has generated interest in part due to it's apparent ability to counteract the renin-angiotensin system, which is frequently overactive in many cardiovascular disease.
- Trial name
- NCT00901745
- Testing
- Angiotensin II, Noradrenaline infusion
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Type 2 Diabetes Mellitus With Circulatory Complciation
Association of Carbamylated HDL and CAD in T2DM Patients
This is an observational cross-sectional study aimed at investigating the alterations of the carbamylated-HDL levels in T2DM patients, and comparing the concentration of carbamylated-HDL between the T2DM patients with CAD and…
- Trial name
- NCT04390711
- Testing
- High density lipoprotein isolation, detection and in-vitro study.
- Where
- China
- Volunteers
- 282 people, healthy volunteers welcome
- Sponsor
- RenJi Hospital
Baro-reflex Sensitivity, Heart Rate Variability
Low Intensity Exercise in Different Normobaric/Hypobaric Normoxic/Hypoxic Conditions.
The main goal of this project is to investigate how low intensity cycling exercise (1.5W/kg, for 6 minutes) influences cerebral functions, such as: Cerebral blood flow, oxygenation, and other physiological variables in different…
- Conditions
- Baro-reflex Sensitivity, Heart Rate Variability, EEG, Microstates, Cerebral Blood Flow Regulation
- Trial name
- Hypoxia (NCT03439202)
- Testing
- Hypoxia
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fliegerärztliches Institut
Coronary Arterial Disease (CAD), Angina (Stable)
The Effect of Sublingual Nitroglycerin on Absolute Coronary Blood Flow
The goal of this clinical trial is to investigate the effect of sublingual nitroglycerin on absolute coronary blood flow in adult patients undergoing coronary angiography.
- Trial name
- FLOW-NITRO (NCT06823843)
- Testing
- Glycerin trinitrate (GTN)
- Where
- Belgium
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- VZW Cardiovascular Research Center Aalst
Type 2 Diabetes Mellitus
Endothelial and Metabolic Effects of Glucagon-like Peptide-1 (GLP-1) in Coronary Circulation in Patients With Type 2 Diabetes Mellitus
GLP-1 is an incretin hormone which is discharged from the intestines after food intake. The hormone is known for its powerful insulinotropic and trophic effects on the beta cells in the pancreas and is currently used as an…
- Trial name
- NCT00923962
- Testing
- Glucagon like peptide-1, Adenosine
- Where
- Denmark
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University Hospital, Gentofte, Copenhagen