Clinical trials: Coronary Circulation
Inflammation
Anti-inflammatory Actions of Osteopathic Manipulative Treatment
This study evaluates the hypothesis that osteopathic manipulative treatment (OMT) and non-invasive transcutaneous auricular vagus nerve stimulation (taVNS) elicit anti-inflammatory actions through activation of the…
- Trial name
- OMT_taVNS (NCT04177264)
- Testing
- Occipito-Atlantal Decompression (OA DC), Splenic Lymphatic Pump Technique (SpLPT), Transcutaneous Auricular Vagus Nerve Stimulation (taVNS)
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Burrell College of Health Sciences
Vascular Disease, Heart Disease
Effects of Urocortins on Forearm Arterial Blood Flow in Healthy Volunteers (Protocol 3)
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
- NCT01096706
- Testing
- NO clamp, Saline, Fluconazole
- Where
- United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Healthy Volunteers, Low Back Pain
Effects of Blood Flow Restriction Exercises on Lumbar Muscle Endurance and Balance in Healthy Young Adults
This study aims to examine the effects of blood flow restriction (BFR) exercises on back muscle endurance and balance in healthy young adults.
- Conditions
- Healthy Volunteers, Low Back Pain, Postural Balance, Muscle Fatigue
- Trial name
- BFR-LUMBEX (NCT07182812)
- Testing
- Blood Flow Restriction Sit-to-Stand Exercise, Sit-to-Stand Exercise without Blood Flow Restriction
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Mehmet Akif Guler
Coronary Artery Disease, Ischemia
Coronary Steal Via Natural Internal Mammary Artery-To-Coronary Artery Bypasses
CORONARY ARTERY DISEASE AND THE BENEFIT OF BYPASSES Despite considerable advances in medicine, cardiovascular diseases remain the number one cause of death globally.
- Trial name
- CIMA (NCT02332564)
- Testing
- Coronary Artery Balloon Occlusion for Determination of Collateral Flow Index
- Where
- Switzerland
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Single-ventricle
Inspiratory Muscle Therapy in Subjects With Fontan Circulations
Individuals who have undergone the Fontan procedure are uniquely dependent upon respiratory mechanics to support pulmonary blood flow (PBF).
- Trial name
- NCT03339466
- Testing
- Inspiratory muscle therapy
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Brain Vascular Disorders, Coronary Artery Disease
Detection of Ultrasound Contrast Signals in the Cerebral Circulation
To Determine whether transcranial ultrasound can detect the presence of intravenously injected microbubbles used routinely for dobutamine stress echocardiography.
- Trial name
- NCT00579241
- Testing
- Ultrasound on Temporal Bone
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Nebraska
Healthy Volunteers
Mapping of Cardiac Power in Healthy Humans and Testing of a New Blood Pressure Sensor
Brief Summary: The study will record hemodynamic data from 20 healthy volunteers at rest and during moderate bicycle exercise in the recumbent and half sitting position for the following purposes: Sub-study 1 Testing the overall…
- Trial name
- NCT05008133
- Testing
- Bicycle exercise
- Where
- Norway
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Norwegian University of Science and Technology
Cerebral Desaturation, Cerebral Ischemia
Assessment of Cerebral Blood Flow Asymmetry in Cardiac Surgery Patients Undergoing Hypothermic Circulatory Arrest
Cerebral oxygen desaturation during cardiac surgery measured using near infrared spectroscopy (NIRS) derived cerebral oximetry has been associated with significant postoperative morbidity.
- Trial name
- COASTLINE (NCT03215589)
- Where
- Canada
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Pregnancy, Physical Activity
The Effect of Physical Activity During Pregnancy on Uterine and Fetal Parameters
This study investigates the relationship between physical activity levels and fetal health in the third trimester of pregnancy. Using the PPAQ and daily step counts, researchers will measure physical activity and examine its…
- Trial name
- TEOPADPUFP (NCT07147777)
- Where
- Turkey (Türkiye)
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- Antalya Training and Research Hospital
Prone Position, Cardiac Output
Effect of Prone Position on Liver Blood Flow and Function
Recent occurrence of significant post-operative liver impairment at Nottingham University Hospitals NHS Trust has prompted investigation into whether interaction between general anaesthesia and prone positioning (lying face down)…
- Conditions
- Prone Position, Cardiac Output, Liver Circulation
- Trial name
- PLiF (NCT01781260)
- Where
- United Kingdom
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Coronary Heart Disease
Myocardial Ischaemia After Exposure to Diesel Exhaust
Exposure to particulate air pollution is associated with increases in cardiovascular mortality and morbidity. The pathophysiological mechanisms underlying this observation are emerging, and exposure to particulate air pollution…
- Trial name
- MIDAS (NCT01661582)
- Testing
- CT/PET Myocardial Perfusion Imaging using O-15 water, Coronary blood flow measured by doppler echocardiography
- Where
- United Kingdom
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Atherosclerosis and Blood Flow in Coronary Artery
Geometrical Influences on Atherosclerosis and Blood Flow
The study investigates the use of advanced imaging techniques and computational methods to identify high-risk plaques in coronary arteries.
- Trial name
- NCT07002697
- Where
- Bangladesh
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Bangladesh University of Engineering and Technology
Coronary Artery Disease
Utilizing Carbon Dioxide for Assessing Coronary Blood Flow in Subjects With Coronary Artery Disease
This is a prospective pilot study to evaluate the safety, tolerability and technical feasibility of utilizing carbon dioxide for assessing coronary blood flow in subjects with coronary artery disease.
- Trial name
- NIMO-CAD (NCT06253884)
- Testing
- RespirAct
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Indiana University
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
Abnormalities, Hyperlipidemia
Study of the Effects of Blackcurrant Extract and Omega-3 Fats on the Health of the Heart and Blood Vessels
Background: Heart disease is the leading cause of death in the United States. Eating fruits and vegetables with chemicals called flavonoids may protect against heart disease and improve blood flow to the heart.
- Conditions
- Abnormalities, Hyperlipidemia, Cardiovascular Disease, Arteriosclerosis
- Trial name
- NCT02019680
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Institute of Nursing Research (NINR)
Vascular Disease, Heart Disease
Gap Junction Potentiation of Endothelial Function With Rotigaptide
Hypothesis - Rotigaptide will improve endothelial function in the context of endothelial dysfunction. The lining of blood vessels (endothelium) can react to hormones in the blood stream causing the blood vessel muscle to relax…
- Trial name
- NCT00901563
- Testing
- Rotigaptide, Forearm vascular study
- Where
- United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Congestive Heart Failure (CHF)
Evaluation of Blood Flow Patterns in Lung Blood Vessels Using Ultrasound Technique in Patients With Congestive Heart Failure
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
- NCT01744210
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Echosense Ltd.
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)
Vascular Disease, Heart Disease
Effects of Urocortins on Forearm Arterial Blood Flow in Healthy Volunteers (Protocol 2)
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
- NCT01096693
- Testing
- Urocortin 2, Urocortin 3
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
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