Clinical trials: Cerebral Blood Flow
Cerebrovascular Disorders
HYPEROXIA Responses and ROS
30 participants (15 males and 15 females) who are ≥18 - ≤ 40 years old and considered healthy will be enrolled into this study to test the role of reactive oxygen species (ROS) in regulating cerebral blood flow (CBF).
- Trial name
- NCT05958303
- Testing
- Antioxidant Cocktail
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Alzheimer's Disease
Brain Amyloid and Vascular Effects of Eicosapentaenoic Acid
The number of Americans diagnosed with Alzheimer's disease (AD) is expected to triple by 2050. Compared to the general population, Veterans have a greater risk of AD, likely in part due to their increased incidence of traumatic…
- Trial name
- BRAVE-EPA (NCT02719327)
- Testing
- icosapent ethyl (IPE)
- Where
- United States
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Jugular Venous Blood Flow
Jugular Venous Flow Healthy Volunteers
Our hypothesis is that there will be a decrease in internal jugular venous flow in the park bench position when compared to the supine position.
- Trial name
- NCT02002494
- Testing
- Different positions
- Where
- Canada
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University Health Network, Toronto
Chronic Fatigue Syndrome
Use of Sildenafil (Viagra) to Alter Fatigue, Functional Status and Impaired Cerebral Blood Flow in Patients With CFS
Use of Viagra to Alter Symptoms in Patients with Chronic Fatigue Syndrome (CFS)
- Trial name
- NCT00598585
- Testing
- Sildenafil (Viagra)
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Charles Drew University of Medicine and Science
Cerebral Arterial Diseases
Human Cerebral Blood Flow Regulation
To determine cerebrovascular control mechanisms in humans and provide mechanistic knowledge to offer new sex-specific therapeutic options for cerebrovascular diseases.
- Trial name
- Gas Challenge (NCT04265053)
- Testing
- Indomethacin 25 MG/50 MG
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Healthy Brain Perfusion
Improving Human Cerebrovascular Function Using Acute Intermittent Hypoxia
This study uses magnetic resonance imaging to determine whether 3 weeks of repeated exposure to Acute Intermittent Hypoxia can improve brain blood flow or blood flow regulation in healthy adults.
- Trial name
- NCT05164705
- Testing
- Acute Intermittent Hypoxia
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Cerebral Blood Flow, Brain Function
Effects of Acetate and Alcohol on Brain Function
This study plans to learn more about how alcohol and its metabolite, acetate, affect the brain.
- Trial name
- NCT02542150
- Testing
- acetate, alcohol
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Alzheimer Disease
Triglyceride Effects on Blood Flow in the Human Brain
The 'Western diet' characterized by high fat feeding (HFF) is a risk factor for Alzheimer's disease (AD); however, little is known about mechanisms.
- Trial name
- NCT05218018
- Testing
- Lipid drink
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Washington
Cognitive Change
Transcranial Near-Infrared Light in Healthy Subjects: a Cerebral Blood Flow Study With Diffuse Correlation Spectroscopy
Transcranial Light Therapy involves non-invasive and invisible beams of light that increase energy metabolism in the brain. Transcranial light therapy has been found to promote brain metabolism.
- Trial name
- NIR-Flow (NCT03740152)
- Testing
- Transcranial Light Therapy
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Type 2 Diabetes Mellitus
Enhancement of Cerebral Vasoreactivity and Cognition by Intranasal Insulin in Type 2 Diabetes
Our goal is to determine the acute effects of intranasal insulin on regional perfusion and cognition of older adults. We propose a pilot study to examine the effect of a single dose of intranasal insulin on regional…
- Trial name
- NCT01206322
- Testing
- Intranasal insulin
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Traumatic Brain Injury, Multiple Sclerosis
Measuring Cerebral Blood Flow Using Pseudo-continuous Arterial Spin Labeling Perfusion Magnetic Resonance Imaging
This study will test a new MRI sequence that measures cerebral blood flow (CBF). Because this technique for measuring CBF is new, there is little information on what the normal values for different regions of the brain should be.
- Conditions
- Traumatic Brain Injury, Multiple Sclerosis, Alzheimer's Disease, Tumor
- Trial name
- NCT02767609
- Testing
- Magnetic Resonance Imaging
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Loma Linda University
Cerebrovascular Disorders
Brain Blood Flow Responses to Stress: Sex Differences
Twenty-six otherwise healthy adults between 18-40 years of age composed of 13 males and 13 females will be enrolled in this study to determine how sex and sex hormones influence cerebral blood flow (CBF) control in healthy young…
- Trial name
- NCT06253702
- Testing
- Indomethacin, Orilissa, Testosterone gel
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Dementia, Alzheimer Disease
The Cognition and Flow Study
About the research There are currently 850,000 people living with dementia in the United Kingdom. It is now understand that Alzheimer's disease (AzD) can result from damaged blood vessels in the brain.
- Conditions
- Dementia, Alzheimer Disease, Mild Cognitive Impairment, Aging
- Trial name
- NCT03656107
- Testing
- Cognitive Training
- Where
- 2 sites in United Kingdom
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- University of Leicester
Alzheimer Disease
Evaluating Simvastatin's Potential Role in Therapy
The purpose of this study is to see how simvastatin, a cholesterol-lowering drug, affects processes related to the development of Alzheimer's disease, including: 1) levels of a substance called beta-amyloid-42 found in the spinal…
- Trial name
- ESPRIT (NCT00486044)
- Testing
- Simvastatin
- Where
- United States
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Type 1 Diabetes, Hypoglycemia Unawareness
Naltrexone and Hypoglycemia in Type 1 Diabetes
Low blood sugar is also called hypoglycemia. Usually, it is mild and can be treated quickly and easily by eating or drinking a small amount of a sugar-rich food.
- Trial name
- Naltrexone (NCT01053078)
- Testing
- Naltrexone
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Spinal Cord Injury, Autonomic Dysreflexia
Treatment of Post-SCI Hypotension
While treatment strategies for OH have been identified for use in persons with acute SCI, the field of SCI medicine lacks a gold standard for treatment thresholds and well-defined outcome parameters.
- Conditions
- Spinal Cord Injury, Autonomic Dysreflexia, Orthostatic Hypotension, Baroreceptor Integrity
- Trial name
- NCT02919917
- Testing
- Midodrine Hydrochloride
- Where
- 2 sites in United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Cognitive and Cerebral Blood Flow Effects of Resveratrol
The Cognitive and Cerebral Blood Flow Effects of Resveratrol
Research shows that resveratrol is able to induce vasodilation (and therefore blood flow) by interacting with nitric oxide (NO).
- Trial name
- NCT01010009
- Testing
- Trans- resveratrol
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Physical Activity, Aging
Independent Walking for Brain Health
Physical activity interventions with older adults can improve brain health; however most interventions have been performed in gym-like settings that reach a small sector of the senior population.
- Trial name
- NCT03058146
- Testing
- Mobile Health Walking Condition, Healthy Aging Education Condition
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Diabetes
UTLight-transcranial Doppler Assessment of Regional Cerebral Autoregulation
Cerebral autoregulation (CA) is a complex mechanism that serves the essential and vital purpose of controlling cerebral blood flow and metabolism. A stable and optimal brain blood flow is imperative for normal brain function.
- Trial name
- UTLight (NCT02178787)
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Obstructive Sleep Apnea Syndrome
Cerebral Blood Flow and Childhood Obstructive Sleep Apnea
Obstructive sleep apnea syndrome (OSAS) causes hypoxemia and hypercapnia, which may impair cerebral blood flow and cause deficits in behavior.
- Trial name
- NCT02995837
- Testing
- Sleep Study, Neurocognitive Testing, CBF During Wakefulness
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Philadelphia