Clinical trials: Cerebral Blood Flow
Major Depressive Disorder
Transcranial Near Infrared Radiation and Cerebral Blood Flow in Depression
This study will compare the effect of three transcranial photobiomodulation (t-PBM) doses (high, middle, and low irradiance) to sham t-PBM on PFC CBF as assessed with fMRI (BOLD) in this multi-center, phase I, double-blinded…
- Trial name
- TRIADE (NCT04366258)
- Testing
- Transcranial Photobiomodulator
- Where
- 3 sites in United States
- Volunteers
- 55 people
- Sponsor
- NYU Langone Health
Stroke
Safety Study of External Counterpulsation as a Treatment for Acute Ischemic Stroke
The purpose of this study is to determine if external counterpulsation (ECP) is feasible to perform, tolerable, and safe as a treatment for patients with acute ischemic stroke (i.e., a blockage of one of the arteries supplying a…
- Trial name
- CUFFS (NCT00983749)
- Testing
- Full-pressure ECP
- Where
- 3 sites in United States
- Volunteers
- 23 people
- Sponsor
- University of California, San Diego
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
Pain, Low Back Pain
Changes in Cerebral Blood Flow in Patients Treated With Spinal Cord Stimulation for Low Back and Leg Pain
The primary objective of this study is to identify the brain regions in which activity is affected by SCS. Baseline cerebral blood flow scans with the device turned off will be generated compared to scans produced with the device…
- Conditions
- Pain, Low Back Pain, Leg Pain
- Trial name
- NCT00418301
- Testing
- Precision Spinal Cord Stimulation and PET Scan
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Boston Scientific Corporation
Chronic Kidney Diseases
Cerebrovascular Dysregulation in Chronic Kidney Disease
The purpose of this study is to test whether or not regular exercise training may improve brain blood flow regulation in patients with chronic kidney disease (CKD).
- Trial name
- NCT05571605
- Testing
- Exercise, Stretching
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- University of North Texas, Denton, TX
Ischemic Stroke
Bolus of Saline in Stroke
This study is a non-randomized, Phase 2 clinical trial designed to assess optical cerebral blood flow (CBF) response to bolus normal saline. Subjects will have had an ischemic stroke within 96 hours of enrollment.
- Trial name
- BOSS (NCT01971463)
- Testing
- Normal saline
- Where
- United States
- Volunteers
- 81 people
- Sponsor
- University of Pennsylvania
Alzheimer Disease
Stimulating Neural Activity to Improve Blood Flow and Reduce Amyloid: Path to Clinical Trials
Alzheimer's disease is characterized by the accumulation of toxic proteins in the brain. Mechanisms to remove these proteins have been the target of many drug trials.
- Trial name
- FLICKER (NCT03543878)
- Testing
- Flicker
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Emory University
Carotid Artery Disease, Carotid Artery Stenosis
Effect of Raised CBF During CEA on Cognition in DM Patients
The purpose of this study is to determine if we can reduce the incidence of cognitive dysfunction - difficulty in performing certain pencil-paper, memory, finger dexterity and thinking type of tasks called neuropsychometric tests…
- Conditions
- Carotid Artery Disease, Carotid Artery Stenosis, Diabetes, Cognitive Dysfunction
- Trial name
- NCT00597545
- Testing
- Carotid endarterectomy, Shunt
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Columbia University
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
Subarachnoid Hemorrhage
Statins and Cerebral Blood Flow in Subarachnoid Hemorrhage (SAH)
The primary objective of this project is to investigate the effect of statin therapy on cerebral blood flow in patients with aneurysmal SAH who are randomized to receive or not receive statins in a blinded design.
- Trial name
- NCT00795288
- Testing
- Simvastatin, 80 mg/day for 21 days
- Where
- United States
- Volunteers
- 42 people
- Sponsor
- Washington University School of Medicine
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
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
Stroke, Acute
Reperfusion With Cooling in Cerebral Acute Ischemia
The purpose of this study is to determine whether reducing a patients body temperature (mild hypothermia of 33 degrees Centigrade) will significantly reduce the risk of brain injury (notably reperfusion injury and hemorrhagic…
- Trial name
- ReCCLAIM (NCT01585597)
- Testing
- Zoll- Coolgaurd 3000
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Emory University
Mild Cognitive Impairment
NAD Therapy for Improving Memory and Brain Blood Flow in Older Adults With Mild Cognitive Impairment
This study will provide insight into whether a nutritional supplement, nicotinamide riboside (NR), improves memory and brain blood flow in older adults with low memory abilities.
- Trial name
- NCT03482167
- Testing
- Niagen®
- Where
- United States
- Volunteers
- 64 people
- Sponsor
- University of Delaware
Ischemic Stroke
Glyburide Advantage in Malignant Edema and Stroke Pilot
The primary objective of this study is to assess the feasibility of enrolling, evaluating, and treating with glyburide for injection severe anterior circulation ischemic stroke participants, whether or not treated with standard…
- Trial name
- GAMES-PILOT (NCT01268683)
- Testing
- Glyburide for Injection
- Where
- 4 sites in United States
- Volunteers
- 10 people
- Sponsor
- Remedy Pharmaceuticals, Inc.
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
Brain Neoplasms, Surgery
Cerebral Blood Perfusion Changes After General Anesthesia for Craniotomy
Few studies look into cerebral blood flow (CBF) changes during emergence from general anesthesia for craniotomy. The purpose of this study is to demonstrate CBF changes during emergence from general anesthesia for craniotomy…
- Conditions
- Brain Neoplasms, Surgery, Hyperemia
- Trial name
- NCT01642147
- Testing
- Transcranial Doppler (TCD), jugular venous bulb catheterization, Tumor removal surgery under general anesthesia
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Huashan Hospital
Gastrointestinal Neoplasms
Cerebral Blood Flow During Propofol Anaesthesia
General anaesthesia often reduces blood pressure whereby blood flow to the brain and other vital organs may become insufficient. Thus, medicine is often administered during anaesthesia to maintain blood pressure.
- Trial name
- NCT02951273
- Testing
- Study of cerebral blood flow
- Where
- Denmark
- Volunteers
- 30 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Sickle Cell Disease
Measurement of Cerebral Blood Flow Using Transcranial Doppler Ultrasound in Children With Sickle Cell Disease
Sickle cell disease (SCD) affects haemoglobin - the molecule in blood cells which carries oxygen. It causes red blood cells to become abnormal crescent (or sickle)- shaped.
- Trial name
- NCT02090881
- Testing
- Ultrasound scan
- Where
- United Kingdom
- Volunteers
- 25 people
- Sponsor
- Imperial College Healthcare NHS Trust
Cerebral Ischemia
Desflurane Versus Propofol in the Sitting Position
The investigators hypothesized that both propofol and desflurane would decrease the regional oxygen saturation (rSO2) but propofol is likely to reduce rSO2 more than sevoflurane when patients are raised to the sitting position.
- Trial name
- NCT01436799
- Testing
- propofol, Desflurane, alfentanil
- Volunteers
- 40 people
- Sponsor
- Gachon University Gil Medical Center