Clinical trials: Cerebrovascular Circulation
Headache, Migraine
Headache Inducing Characteristics and Possible Changes in Cerebral Blood Flow After Administration of PGE2
Before, during and after intravenous administration of PGE2 we score/measure headache, rCBF, blood flow in the middle cerebral artery and diameter of superficial temporal artery and correlate that to known pathophysiology of…
- Trial name
- NCT00374530
- Testing
- PGE2
- Where
- Denmark
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Danish Headache Center
Orthostatic Hypotension, Spinal Cord Injuries
A Study of Blood Pressure and Blood Supply to the Brain in Persons With a Spinal Cord Injury.
The purpose of this study is to determine how blood pressure and blood flow are controlled during head-up tilt in a semi-upright position.
- Trial name
- NCT00248807
- Testing
- 1.25 mg enalaprilat IV, Head up tilt (HUT)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Traumatic Brain Injury, Healthy
Measuring Blood Flow in the Brain
This study will test a method of measuring brain blood flow called near infrared spectroscopy (NIRS). It will determine whether NIRS gives the same results as the more commonly used technique, functional magnetic resonance…
- Trial name
- NCT00466934
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Healthy Volunteer
Caloric Stimulation on Cerebral Blood Flow
This is a prospective, non-randomized study designed to generate preliminary data to assess the effect of a new portable non-invasive caloric stimulator on EEG waveform and cerebral blood flow on normal healthy volunteers.
- Trial name
- NCT01629901
- Testing
- ThermoNeuroModulation (TNM) Device
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Duke University
PreDiabetes
Study: Diet and Exercise Study to Improve Brain Blood Flow: Blood Flow Improvement Trial
Project Summary Metabolic syndrome (MetS) is associated with the development of diabetes and cardiovascular disease; however it is also linked with cognitive decline and dementia.
- Trial name
- BFIT (NCT03117829)
- Testing
- Diet and Exercise
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Brain Vascular Function, Cerebral Blood Flow
Effects of Peanut Consumption on Brain Function
Impaired brain vascular function precedes the development of reduced cognitive performance, while brain insulin-resistance is also associated with cognitive decline.
- Conditions
- Brain Vascular Function, Cerebral Blood Flow, Brain Insulin Sensitivity, Cognitive Performance
- Trial name
- NCT05724654
- Testing
- Skin roasted peanuts
- Where
- Netherlands
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Alzheimer Disease
Association Between Cerebral Arterial Vascular Flow and Sleep Apnea in Neurodegenerative Alterations
Obstructive sleep apnea syndrome (OSAS) is a sleep-disordered breathing characterized by the occurrence of repeated upper airway obstructions leading to airflow reduction (hypopnea) or cessation (apnea).
- Trial name
- VAAPS (NCT02578303)
- Testing
- Vascular flow measurement by PC-MRI
- Where
- France
- Volunteers
- 139 people, healthy volunteers welcome
- Sponsor
- Central Hospital Saint Quentin
Stroke, Vascular Diseases
Passive Limb Movement Study
Stroke survivors have compromised vascular function which may contribute to secondary stroke risk, cardiovascular disease, and may limit their exercise tolerance.
- Conditions
- Stroke, Vascular Diseases, Ischemic
- Trial name
- PLM (NCT05935670)
- Testing
- Ischemic Conditioning
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Medical College of Wisconsin
Healthy, Abnormal Vascular Flow
Racemic Ketamine Versus S-ketamine With Arterial Spin Labeling (ASL)-MRI in Healthy Volunteers
Racemic ketamine and S-ketamine are used in clinical practice today. Little is known of their difference in effect on cerebral blood flow, volume and metabolism.
- Trial name
- NCT01506921
- Testing
- Racemic ketamine, S-ketamine
- Where
- Sweden
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Lund University
Brain Insulin Sensitivity, Brain Vascular Function
High-Dairy Food Patterns and Gut-Brain Axis
Disturbances in brain insulin sensitivity are associated not only with obesity and type 2 diabetes, but also with brain aging and cognitive decline.
- Conditions
- Brain Insulin Sensitivity, Brain Vascular Function, Cerebral Blood Flow, Cognitive Performance
- Trial name
- NCT07355309
- Testing
- High-dairy food pattern, Low-dairy food pattern
- Where
- Netherlands
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center