Clinical trials: Cerebral Blood Flows
Orthostatic Hypotension
Research, Development, and Application of Intelligent Diagnostic System for Orthostatic Hypotension
Orthostatic hypotension (OH) has a high incidence rate of 30%-50% in the elderly and populations with neurodegenerative diseases.
- Trial name
- NCT07309666
- Testing
- Intelligent diagnostic system for orthostatic hypotension
- Where
- China
- Volunteers
- 2,000 people
- Sponsor
- Xuanwu Hospital, Beijing
Healthy, Hypercapnia
Study of Brain Blood Flow During Induced Hypercapnia (Excess Blood Carbon Dioxide)
This study will evaluate magnetic resonance imaging (MRI ) methods for measuring changes in the brain's blood flow during hypercapnia (a condition of excess carbon dioxide in the blood).
- Trial name
- NCT00001845
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Metabolic Processes
The Effects of Differing Cognitive Task Demands on Whole-body Energy Metabolism and Cerebral Blood-flow: Modulation by Multivitamins/Minerals and Coenzyme Q10
When completing difficult tasks, the brain requires faster delivery of energy sources (oxygen and glucose) via the blood. There is evidence to suggest that some nutritional supplements may increase blood circulation in the brain…
- Trial name
- NCT02381964
- Testing
- Supradyn® (1RDA+CoQ10), Supradyn® (3RDA)
- Where
- United Kingdom
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Aneurysmal Subarachnoid Hemorrhage, Delayed Neurological Deficit
Effects of Donepezil on Regional Cerebral Blood Flow Following Aneurysmal Subarachnoid Haemorrhage
Introduction Aneurysmal subarachnoid hemorrhage (aSAH) is bleeding around the under surface of the brain caused by rupture of an aneurysm arising from a blood vessel.
- Conditions
- Aneurysmal Subarachnoid Hemorrhage, Delayed Neurological Deficit, Delayed Cerebral Ischemia, Vasospasm
- Trial name
- DASH (NCT02222727)
- Testing
- Donepezil
- Where
- United Kingdom
- Volunteers
- 19 people
- Sponsor
- St George's, University of London
Ischaemic Stroke
The RETRAIN Trial Phase 2
Ischaemic strokes, caused by a disruption in the brain's blood supply, are the second leading cause of death and disability in the United Kingdom.
- Trial name
- RETRAIN 2 (NCT07197996)
- Testing
- Intermittent Pneumatic Compression, geko® T3
- Where
- United Kingdom
- Volunteers
- 53 people
- Sponsor
- Firstkind Ltd
Healthy, Aging
Brain Blood Flow: Age and Gender
Baseline cerebral blood flow through the middle cerebral artery (MCA) and cerebral vasodilator response of the MCA to inhaled carbon dioxide (CO2) will be measured in young women, young men, older women, and older men using…
- Trial name
- NCT02840851
- Testing
- MRI, TCD
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Prefrontal Hemodynamics, Muscle Strength
Lower Limb Strength and Power as Predictors of Brain Blood Flow During Exercise
This study aims to investigate the predictive value of lower limb muscle strength and explosive power on exercise-induced prefrontal hemodynamic responses.
- Conditions
- Prefrontal Hemodynamics, Muscle Strength, Physical Performance
- Trial name
- LLSPP (NCT07575802)
- Testing
- Standardized Lower-Limb Physical Performance Assessment and Aerobic Exercise Task
- Where
- Russia
- Volunteers
- 256 people, healthy volunteers welcome
- Sponsor
- Lincoln University College
Cerebral Blood Flow, APOE 4
A Nutritional and Pharmacological Intervention for Body, Brain, and Longevity Effects (NIBBLE)
The study aims to evaluate the safety, feasibility, and preliminary efficacy of the fasting-mimicking diet (FMD) or low-dose daily rapamycin treatment relative to a matched placebo control group when administered over 8 weeks in…
- Trial name
- NCT06682767
- Testing
- FMD1 (LNT22-017-1), Rapamycin
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Cedars-Sinai Medical Center
Congenital Heart Disease in Children, Extracorporeal Circulation; Complications
Non-invasive Monitoring of Cerebral Autoregulation in Perioperative Neonatal Cardiac Surgery
Cardiac surgery under extracorporeal circulation (ECC) in newborns with congenital heart disease causes significant morbidity and mortality.
- Trial name
- NEMOCARD (NCT04295239)
- Testing
- MRI
- Where
- France
- Volunteers
- 40 people
- Sponsor
- Nantes University Hospital
End Stage Renal Disease
Alterations in Cognitive Function and Cerebral Blood Flow After Conversion From Calcineurin Inhibitors (CNIs) to Everolimus
The purpose of this study is to learn if changing from Tacrolimus to Everolimus will improve cognitive function by having less effect on brain blood flow.
- Trial name
- NCT03413722
- Testing
- Tacrolimus, Everolimus
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- University of Kansas Medical Center
Pediatric Anesthesia
Variation of Cerebral Blood Flow in Anterior Cerebral and Basilar Artery in Neonates and Infants in Genreal Anesthesia With Caudal Block
With this study we want to see how the blood flow in the anterior cerebral artery (ACA) and the basilar artery (BA) after the caudal block changes.
- Trial name
- NCT02761954
- Volunteers
- 50 people
- Sponsor
- Bürgerhospital Frankfurt
Cognitive Function and Mood, Cerebral Blood Flow
The Effects of Resveratrol Supplementation on Cognition, Cerebral Blood Flow, Microbiota and Systemic Inflammation.
Previous research shows that a diet high in fat has harmful effects on gut health. This increases the chance of developing obesity-related diseases (such as type 2 diabetes) and disrupts cognition and mood.
- Conditions
- Cognitive Function and Mood, Cerebral Blood Flow, Systemic Inflammation, Gut Microbiota
- Trial name
- NCT03448094
- Testing
- Resveratrol
- Where
- United Kingdom
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Acute Ischemic Stroke
Pro-urokinase for Extended-Window Posterior Circulation Stroke
This study aims to evaluate whether, in patients with imaging-confirmed acute ischemic stroke of the posterior circulation presenting within 4.5-24 hours after symptom onset and not scheduled for endovascular thrombectomy…
- Trial name
- PROMISE (NCT07617870)
- Testing
- rhPro-UK, Aspirin
- Where
- China
- Volunteers
- 586 people
- Sponsor
- The First Affiliated Hospital of Zhengzhou University
Multiple Sclerosis
Transcranial Electrical Stimulation in Multiple Sclerosis
First the investigators will examine if the blood flow in the brain is different in patients with Multiple Sclerosis compared to healthy volunteers. HOW? The blood flow of the subjects is imaged by use of a special MRI-technique.
- Trial name
- TEMS (NCT06966128)
- Testing
- transcranial Direct Current Stimulation
- Where
- 2 sites in Belgium
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Universitair Ziekenhuis Brussel
Ischemic Stroke, Acute
MRI Biomarkers of Effective Tissue Reperfusion After Thrombectomy of an Acute Proximal Occlusion of the Anterior Circulation
Cerebral infarction by proximal occlusion of the anterior circulation is common with major personal and societal consequences. MRI is the gold standard for exploring stroke, especially ischemic, and a number of biomarkers on…
- Trial name
- MR-Reperfusion (NCT04952077)
- Testing
- MRI
- Where
- France
- Volunteers
- 40 people
- Sponsor
- Central Hospital, Nancy, France
Stroke
Feasibility BFRT Geriatric Stroke Patients
The focus of this interventional study is to assess the feasibility of blood flow restriction training (BFRT) in a geriatric stroke population.
- Trial name
- NCT06398041
- Testing
- Blood flow restriction training, Opinions
- Where
- Belgium
- Volunteers
- 16 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Acute Ischemic Stroke, Anterior Circulation Brain Infarction
Remote Ischemic Conditioning for Acute Ischemic Stroke Treated With Mechanical Thrombectomy（RECAST-MT）
For patients with acute ischemic stroke caused by large vessel occlusion, endovascular thrombectomy has been demonstrated to be the most effective therapy, as approximately 90% of the occluded vessels can be recanalized.
- Trial name
- RECAST-MT (NCT06559241)
- Testing
- 14-day remote ischemic conditioning, 30-day remote ischemic conditioning, Endovascular thrombectomy
- Where
- 56 sites in China
- Volunteers
- 2,105 people
- Sponsor
- Capital Medical University
Intracranial Aneurysm
Study of Complex Intracranial Aneurysm Treatment
The investigator expects that endovascular flow-diversion is superior over revascularization by postoperative modified Rankin scale (mRS) in patients with complex intracranial aneurysms.
- Trial name
- SCAT (NCT03269942)
- Testing
- Endovascular Flow-Diversion, Cerebral Revascularization
- Where
- Russia
- Volunteers
- 110 people
- Sponsor
- Meshalkin Research Institute of Pathology of Circulation
Hyperventilation, Traumatic Brain Injury
Treatment of Spontaneous Hyperventilation With Remifentanil in Traumatic Brain Injury Patients
Spontaneous hyperventilation is common in severe traumatic brain injury patients and correlates closely with poor outcomes. How to treat this pathological condition remain unsolved.
- Trial name
- NCT04974060
- Testing
- Remifentanil Injection
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Capital Medical University
Healthy
Chronic Resveratrol Supplementation in Healthy Humans
The effects of chronic resveratrol supplementation have yet to be investigated in healthy humans. It is hypothesised that the effects will be different to those seen in acute supplementation.
- Trial name
- NCT01640197
- Testing
- Resveratrol
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Northumbria University