Clinical trials: Blood Circulation
Cerebral Hypoxia
The Effects of Hypobaria vs Hypoxia on Cerebral Functions.
The investigators will investigate the effect of hypobaria and hypoxia on physiological responses such as: oxygen saturation, heart rate, cerebral blood flow, cerebral oxygenation, brain's activity and concentration performance.
- Trial name
- Hypoxia (NCT03303118)
- Testing
- Hypoxia
- Where
- Switzerland
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Fliegerärztliches Institut
Vascular Function
Tea and Forearm Blood Flow
The study will explore the benefit of tea for microcirculation. Subjects will consume tea ar a placebo matched for taste and appearance in a blinded cross over design.
- Trial name
- NCT02328339
- Testing
- Tea
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Unilever R&D
Obesity, Overweight
A Study Investigating the Effects of Neprinol Study Product on Vascular Function
This open-label study investigated the effectiveness of Neprinol on maintaining healthy cardiovascular health in overweight and obese adults. Subjects took 3 capsules, 3 times per day over a period of 12 weeks.
- Trial name
- NCT02862223
- Testing
- Neoprinol
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- KGK Science Inc.
Ankle Sprain, Ankle Instability
Auto-regulated Blood Flow Restriction in Athletes With Recurrent Ankle Sprain
Ankle injuries, especially lateral ankle sprains, are prevalent in physically active individuals. Blood Flow Restriction Training (BFRT) has emerged as a promising method, employing partial arterial occlusion and full venous…
- Trial name
- NCT06962943
- Testing
- Auto-regulated Blood Flow Restriction Training, Non-regulated Blood Flow Restriction Training, Control group
- Where
- United Arab Emirates
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Prince Sattam Bin Abdulaziz University
Headache, Migraine
Acetazolamide's Headache Inducing Characteristics and Effects on the Cerebral Arteries and Blood Flow
In this study the investigators will research the hypothesis that the drug Acetazolamide induce headache and dilation of cerebral arteries and increase the cerebral blood flow in the areas of the brain supplied by these arteries.
- Trial name
- NCT01750723
- Testing
- Acetazolamide
- Where
- 2 sites in Denmark
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Danish Headache Center
Swimming Performance
The Effect of Blood Flow Restriction Training on Swimming Performance in Swimmers
The purpose of this study was to investigate the effects of practical blood flow restriction (pBFR) applied during swimming training on sprint and endurance performance in master swimmers.
- Trial name
- NCT07786597
- Testing
- Practical Blood Flow Restriction Bands, Traditional Swimming Training
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Istanbul Gelisim University
Vertebral Artery Dissection, Cerebrovascular Accident
Changes in Cerebral Blood Flow With Spinal Manipulative Therapy vs. Voluntary Motion
The investigators are performing a study to determine whether changes in blood flow occur in the neck and back of the brain following a series of head positions and a manipulation of the upper neck.
- Conditions
- Vertebral Artery Dissection, Cerebrovascular Accident, Cerebrovascular Stroke
- Trial name
- NCT01205490
- Testing
- head positions and spinal manipulation
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Canadian Memorial Chiropractic College
Alzheimer Disease, Dementia
Evaluation of Age- and Alzheimer's Disease-Related Memory Disorder
The purpose of this study is to examine how a part of the brain called the hippocampus contributes to memory changes that occur with aging and Alzheimer's disease (AD). Memory problems are the most important early symptoms of AD.
- Conditions
- Alzheimer Disease, Dementia, Memory Disorder, Healthy
- Trial name
- NCT00029120
- Where
- United States
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Zoonotic Disease
Viral and Microbial Circulation Between Humans, Domesticated and Wild Animals Along an Ecotone, Democratic Republic of Congo
This study will evaluate the overlap between the intestinal microbiome and virome of wild and domesticated animals and human beings living in close proximity in three sites along an ecotone (ecological gradient) in the Democratic…
- Trial name
- MICROTONE (NCT04012164)
- Testing
- blood sampling, stool collection, Participatory activity and contact investigation
- Where
- Democratic Republic of the Congo
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur
Reduction of Blood Flow
Effects of Functional Electrical Stimulation on Metaboreflex Activation in Healthy Individuals
Cardiovascular exercise adjustments are required during in order to redistribute blood flow from non-exercising vascular areas to active muscles.
- Trial name
- NCT02448030
- Testing
- Functional electric stimulation, Isometric exercise
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hospital de Clinicas de Porto Alegre
High Myopia, Choroid
Effect of Caffeine on Ocular Circulation in High Myopes
To investigate the effect of caffeine on ocular circulation by using Optical Coherence Tomography and Optical Coherence Tomography Angiography.
- Trial name
- NCT03294967
- Testing
- Caffeine, Vitamin E
- Where
- Hong Kong
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Alzheimer's Disease
Cerebral and Peripheral Perfusion Pilot Study
The purpose of this study is to evaluate the hypothesis that in middle-aged, asymptomatic, adult children of persons with Alzheimer's disease (AD), atorvastatin therapy will beneficially affect mechanisms thought to contribute to…
- Trial name
- CAPP (NCT00751907)
- Testing
- atorvastatin
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Amniotic Fluid Embolism, Pulmonary Hypertension
Effect of Tourniquet Binding of Cervical on the Blood Volume of Amniotic Fluid in Cesarean Section
This study was conducted to investigate whether the use of tourniquet after delivery of the fetus could reduce the amount of amniotic fluid entering the bloodstream and thus reduce the incidence of intraoperative adverse events.
- Trial name
- NCT06254092
- Testing
- tourniquet binding of cervical
- Where
- China
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- First People's Hospital of Chenzhou
Muscular Weakness
Can Blood Flow Restriction Therapy Improve Strength for Shoulder External Rotators Better Than Exercise Alone
The purpose of this study is to evaluate the ability of blood flow restriction therapy to improve strength of shoulder muscles during the sidelying external rotation (ER) exercise versus a control group who only performs the…
- Trial name
- NCT03815760
- Testing
- Blood Flow Restriction
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- George Fox University
Lymphatic Abnormality, Plastic Bronchitis
Lymphatic Morphology of Fontan Patients
The Fontan procedure has revolutionized the treatment of patients born with a congenital univentricular heart defect. However, over time, it is associated with severe lymphatic complications such as plastic bronchitis…
- Conditions
- Lymphatic Abnormality, Plastic Bronchitis, Protein-Losing Enteropathies, Univentricular Heart
- Trial name
- NCT04163653
- Testing
- Non-contrast MRI, Cardiopulmonary exercise test
- Where
- Denmark
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Spinal Cord Injury
Impact of Age on Cardiovascular, Cerebrovascular and Cognitive Health in Spinal Cord Injury
As the spinal cord injured population ages, these individuals are being exposed to an increased prevalence of age-associated diseases, which coupled with the secondary complications of the injury may contribute to the reduced…
- Trial name
- NCT01984476
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Congenital Heart Disease, Pulmonary Hypertension
Integrated Computational modelIng of Right Heart Mechanics and Blood Flow Dynamics in Congenital Heart Disease
Advances in paediatric cardiology and cardiac surgery have enabled the survival of most patients born with congenital heart disease (CHD) into adulthood.
- Trial name
- NCT03217240
- Testing
- Cardiac Magnetic Resonance - MRI, Cardiopulmonary Exercise Test, Blood Sampling for all participants
- Where
- 3 sites in Singapore
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- National Heart Centre Singapore
Aging, Walking, Difficulty
Chronic Wounds and Blood Circulation Detection
Lower limb circulatory insufficiency and the associated chronic wounds are common health problems among the elderly. These issues not only affect the individual's mobility and quality of life but also potentially increase medical…
- Conditions
- Aging, Walking, Difficulty, Chronic Limb-Threatening Ischemia, Chronic Disease
- Trial name
- NCT07330635
- Testing
- Intervention 1: Mixed exercise program, Intervention 2: High-intensity rowing exercise, Intervention 3: Vibration exercise
- Where
- Taiwan
- Volunteers
- 425 people, healthy volunteers welcome
- Sponsor
- National Health Research Institutes, Taiwan
Near-Infrared Spectroscopy, Iliac Artery Stenosis
NIRS and Exercise Intensity in Patients With FLIA
The research objectives of this project are to increase the understanding of pathophysiology and performance limitations related to sport-related flow limitation in the iliac artery (FLIA) using non-invasive measurement of muscle…
- Conditions
- Near-Infrared Spectroscopy, Iliac Artery Stenosis, Iliac Artery Disease, Iliac Artery Occlusion
- Trial name
- NCT05229250
- Testing
- Cycling test, Occlusion tests, NIRS during cycling
- Where
- Netherlands
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Maxima Medical Center
Measurement of Circulation on Anatomical Locations of the Body
Comparative Evaluation of Sustained Acoustic Medicine Device on Circulation
Comparative Evaluation of Sustained Acoustic Medicine Device on Circulation
- Trial name
- NCT06510062
- Testing
- Sustained Acoustic Medicine, 2.5% Diclofenac Patches
- Where
- United States
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- ZetrOZ, Inc.
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