Clinical trials: Blood Circulation Disorder
Pulmonary Arterial Hypertension
Peripheral Muscle Microcirculation and Exercise-induced Blood Flow Distribution in Pulmonary Arterial Hypertension
Pulmonary artery hypertension (PAH) is a rare, severe disease, characterized by a progressive increase in pulmonary vascular resistance ultimately leading to right ventricular (RV) failure and premature death.
- Trial name
- NCT01520493
- Testing
- Submaximal exercises
- Where
- 2 sites in Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Laval University
Cardiac Surgery, Extracorporeal Circulation; Complications
Evaluation of Blood and Cardiac Protein O-GlcNAcylation Levels in Cardiac Surgery in Children
Cardiac surgery requires the use of extracorporeal circulation (ECC). Age-related differences in inflammatory response, the greater susceptibility of immature organ systems to injury and the larger ratio of extracorporeal…
- Conditions
- Cardiac Surgery, Extracorporeal Circulation; Complications, Metabolism, Low Cardiac Output
- Trial name
- CardiOGlcNAc (NCT06754709)
- Where
- France
- Volunteers
- 300 people
- Sponsor
- Nantes University Hospital
Traumatic Brain Injury
Ketogenic Diet & Functional Recovery in Moderate to Severe Traumatic Brain Injury
Traumatic Brain Injury (TBI) represents a significant public health risk in the United States leaving many survivors with significant long term cognitive deficits and at risk for neurodegenerative diseases.
- Trial name
- NCT04530032
- Testing
- ketogenic/modified Atkins diet, Standard diet
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Loma Linda University
Coronary Artery Disease
The Nordic Bifurcation Study III
Should we, or should we not, perform dilatation of the side branch through the main vessel stent, if there is acceptable blood flow in the side branch?
- Trial name
- BIF III (NCT00914199)
- Testing
- Percutaneous coronary intervention (PCI)
- Where
- Denmark
- Volunteers
- 477 people
- Sponsor
- Evald Hoej Christiansen
Vascular Disease, Critical Lower Limb Ischemia
Pilot Study of Hemospan® in Patients With Chronic Critical Limb Ischemia
The purpose of this study is to evaluate the effects of Hemospan infusion on vascular reactivity, regional perfusion and oxygenation of ischemic tissue in patients with chronic critical lower limb ischemia.
- Trial name
- NCT00633659
- Testing
- Hemospan (MP4OX), Voluven (HES 130/0.4)
- Where
- Sweden
- Volunteers
- 6 people
- Sponsor
- Sangart
Healthy
Effects of Miconazole on Blood Flow
This study will investigate the effect of the drug miconazole on blood vessel dilation. Miconazole stops production of EDHF, a substance that causes arteries to dilate. EDHF is produced by the cells that line blood vessels.
- Trial name
- NCT00004575
- Testing
- Miconazole, L-NMMA, Bradykinin
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Gastroschisis, Intestinal Ischemia
Regional Blood Saturation Levels in Gastroschisis
Gastroschisis is one of the most common neonatal surgical conditions, and is increasing in incidence. Postnatal bowel ischemia leading to necrosis, bowel loss and short-bowel syndrome, occurs in a few instances, with significant…
- Trial name
- NCT03533439
- Testing
- Near infrared spectroscopy
- Volunteers
- 19 people
- Sponsor
- NHS Lothian
Obesity
Evaluation of Endothelial and Vascular Functions in Obese Patients (FUENVASOB)
The primary objective of the present study will be to evaluate, in obese patients, the blood flow response in the femoral artery in response to passive limb movements, taken as a biomarker of a possible limitation of the…
- Trial name
- FUENVASOB (NCT05778513)
- Testing
- Passive knee flexion-extension + Cycle ergometer exercise + 3-week body weight reduction program, Passive knee flexion-extension + Cycle ergometer exercise
- Where
- Italy
- Volunteers
- 28 people
- Sponsor
- Istituto Auxologico Italiano
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)
Myopia
The Effect of Sun-like Spectrum With Different Spectrum Composition on Retinal Blood Flow
In 2020, the overall myopia rate among children and adolescents was 52.7% in China. The COVID-19 pandemic has increased students' time of indoor eye-using, and it showed that the light exposure intensity of myopic students is…
- Trial name
- NCT05594719
- Testing
- Shorter-wavelength dominant light, Light similar to the solar spectrum proportion, Longer-wavelength dominant light
- Where
- 2 sites in China
- Volunteers
- 75 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Regional Blood Flow, Premature Birth
Common Neonatal Procedures Could Affect the aEEG in <30 Weeks of Gestational Age Preterms
Very low birth weight infants has increased dramatically their survival. Survival without neurologic disturbance varies a lot between centers.There is evidence that fluctuations in cerebral blood flow influences the appearance of…
- Conditions
- Regional Blood Flow, Premature Birth, Electroencephalography
- Trial name
- ELECTROPREM (NCT00722033)
- Testing
- 3 protocols of Indomethacin administration
- Where
- Chile
- Volunteers
- 10 people
- Sponsor
- Pontificia Universidad Catolica de Chile
Healthy, Liver Disease
Magnetic Resonance Imaging of Blood Flow in the Liver and Abdomen
This study will use magnetic resonance imaging (MRI) to examine blood flow patterns in the arteries and veins of the liver and abdomen.
- Trial name
- NCT00001719
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Type1diabetes, Type1 Diabetes Mellitus
Evaluation of Coffee Therapy for Improvement of Renal Oxygenation
Over 1.25 million Americans have Type 1 Diabetes (T1D), increasing risk for early death from cardiovascular disease (CVD). Despite advances in glycemic and blood pressure control, a child diagnosed with T1D is expected to live up…
- Conditions
- Type1diabetes, Type1 Diabetes Mellitus, Diabetic Kidney Disease, Juvenile Diabetes
- Trial name
- COFFEE (NCT03878277)
- Testing
- Starbucks® Cold brew - 325ml bottle
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- University of Colorado, Denver
Myopia
Dietary Supplement for Myopia Control
The purpose of this clinical trial is to investigate the changes in choroidal thickness and vasculature in myopic children following oral supplementation.
- Trial name
- NCT07406906
- Testing
- Oral dietary supplement provided in a capsule format (3 active capsules/ per day)
- Where
- Hong Kong
- Volunteers
- 156 people
- Sponsor
- The Hong Kong Polytechnic University
Flat Foot; Spastic
To Evaluate the Efficiency and Results of Adding BFR to the Physical Therapy Program fo Managing Adolescents Presented With Spasmotic Flatfoot Deformities Compared to the Standard Physical Therapy Program Without BFR
The goal of this randomized clinical trial is to evaluate the efficiency and results of adding blood flow restriction (BFR) training to the physical therapy program for managing adolescents presented with spasmotic flatfoot…
- Trial name
- BFR SFFD (NCT07343752)
- Testing
- blood flow restriction
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Assiut University
Breast Cancer
Can Exercise Training Reduce the Frequency and Severity of Hot Flushes Associated With Breast Cancer Treatment?
In brief, this study sets out to understand if exercise training can reduce the frequency and severity of hot flushes associated with breast cancer treatment.
- Trial name
- NCT03286257
- Testing
- Exercise Intervention
- Where
- United Kingdom
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Liverpool John Moores University
Cerebrovascular Disorder, Epilepsy
Brain Blood Flow Studies of Language and Memory
Positron Emission Tomography (PET) is a technique used to investigate the functional activity of the brain. The PET technique allows doctors to study the normal processes of the brain (central nervous system) of normal…
- Trial name
- NCT00001288
- Testing
- 15 O Water, FDG
- Where
- United States
- Volunteers
- 303 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Diabetes Mellitus, Kidney, CPB
Kidney Function in Diabetics During CPB (Cardio Pulmonary Bypass)
Filtration of urine in the kidney requires sufficient oxygen supply. The filtration of urine is greater in patents with diabetes.
- Trial name
- DM-ECC (NCT03405532)
- Testing
- DM-ECC
- Where
- Sweden
- Volunteers
- 30 people
- Sponsor
- Sahlgrenska University Hospital
Cognition Disorders
PET Scan to Map the Areas of the Brain Involved in Planning
Positron Emission Tomography (PET) is a technique used to investigate the functional activity of the brain. The PET technique allows doctors to study the normal processes of the brain (central nervous system) of normal…
- Trial name
- NCT00001363
- Where
- United States
- Volunteers
- 230 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Anterior Shoulder Dislocation, Recurrent Shoulder Dislocation
Blood Flow Restriction Training Versus Standard Physical Therapy After Shoulder Stabilization Surgery
Describe the purpose and objective(s) of the study, specific aims, and/or research questions/hypotheses: The purpose of this Randomized Controlled Trial is to evaluate the effectiveness of Blood Flow Restriction (BFR) training…
- Conditions
- Anterior Shoulder Dislocation, Recurrent Shoulder Dislocation, Shoulder Subluxation, Surgery
- Trial name
- NCT05506072
- Testing
- Blood flow restriction therapy, Standard Physical Thearapy
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Keller Army Community Hospital