Clinical trials: Cerebral Blood Flows
Circulatory Function, Laparoscopic Radical Cystectomy for Bladder Cancer
Circulatory Function in Laparoscopic Radical Cystectomy for Bladder Cancer
To optimize the perioperative management of patients undergoing laparoscopic radical cystectomy(LPC) for bladder cancer through observation of perioperative changes of Brain Natriuretic Peptide(BNP), stroke volume variation(SVV)…
- Trial name
- NCT03892031
- Where
- China
- Volunteers
- 186 people
- Sponsor
- RenJi Hospital
Alzheimer Dementia (AD), Diabete Type 2
Brain Blood Flow and Sugar Transport in Alzheimer's Disease With and Without Diabetes - A Pilot Imaging Study
Alzheimer's disease is the most common cause of dementia and affects a growing number of older adults. Although harmful proteins build up in the brain, we still do not fully understand why some brain regions are affected earlier…
- Trial name
- PETTAU (NCT07482072)
- Testing
- [18F]FDG PET, [11C]PIB
- Where
- Denmark
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Cerebral Blood Flow, Cerebral Blood Flow Regulation
The Role of Estrogen and Testosterone in Determining Brain Blood Flow and Metabolic Regulation in Humans
Due to historical exclusion of females from research, there are gaps in the understanding of female physiology, how it differs from males, and how sex-specific hormones contribute.
- Conditions
- Cerebral Blood Flow, Cerebral Blood Flow Regulation, Sex Differences, Exercise
- Trial name
- NCT07212712
- Testing
- GnRH antagonist, Estradiol (E2), Testosterone
- Where
- Canada
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Hypertension, Diabetes
Flavanol-Rich Cocoa and Cerebral Blood Flow
The purpose of the study is to learn whether or not cocoa has a beneficial effect on blood flow to the brain in older subjects with diabetes mellitus or hypertension (high blood pressure).
- Trial name
- NCT00825695
- Testing
- cocoa
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Brigham and Women's Hospital
Remote Ischemic Conditioning
Effect of Remote Ischemic Conditioning on Cerebral Hemodynamics in Patients After Intravenous Thrombolysis (RICCH-IVT)
The purpose of this study is to determine the effect of remote ischemic conditioning on cerebral hemodynamics in patients after intravenous thrombolysis
- Trial name
- NCT05598658
- Testing
- Remote ischemic conditioning
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Yi Yang
Stroke
Reperfusion Completion Via Local Arterial Infusion of Tenecteplase After Incomplete Mechanical Thrombectomy
To evaluate the efficacy and safety of intra-arterial TNK bridging therapy following incomplete recanalization (2b ≤ eTICI < 3) after mechanical thrombectomy for acute anterior circulation large vessel occlusion.
- Trial name
- RECLAIM-TNK (NCT07471282)
- Testing
- Tenecteplase (0.0938mg/kg)
- Where
- China
- Volunteers
- 344 people
- Sponsor
- Chuansheng Zhao
Cognitive Function, Mood
Cognitive and Cerebral Blood Flow Effects of 2-week Caffeine Abstinence or Maintenance
The purpose of this study is to determine the effects of 2 weeks caffeine abstinence as compared to 2 weeks caffeine maintenance (300mg per day)on cognition and mood.
- Conditions
- Cognitive Function, Mood, Cerebral Haemodynamics, Caffeine Withdrawal
- Trial name
- NCT01376882
- Testing
- Caffeine
- Where
- United Kingdom
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Northumbria University
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
Covid19
Weathering the Storm: Lung, Heart, and Brain Vascular Rehabilitation for COVID-19
Background: Respiratory and cardiovascular complications have emerged as dominant threats during and following coronavirus disease (COVID19) infection.
- Trial name
- NCT04887272
- Testing
- Supervised Exercise Training Protocol, Inspiratory Muscle and Exercise Training
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of Illinois Chicago
Ischemic Stroke
Acute Effects of Thai Traditional Massage on Cerebrovascular Reactivity in Ischemic Stroke Patients
The investigators hypothesize that Acute Thai traditional massage will yield beneficial effects on cerebrovascular reactivity in ischemic stroke patients.
- Trial name
- NCT02270294
- Testing
- Thai traditional massage, No massage
- Where
- Thailand
- Volunteers
- 14 people
- Sponsor
- Chulalongkorn University
Neonatal Prematurity, Patent Ductus Arteriosus in Preterm Infants
Relation Between Prostaglandin E2 Metabolite Levels and the Development of Hemodynamically Significant Patent Ductus Arteriosus in Preterm Neonates
prospective observational cohort study to explore the relationship between PGE2 metabolite levels and the development of hemodynamically significant PDA in preterm neonates.
- Conditions
- Neonatal Prematurity, Patent Ductus Arteriosus in Preterm Infants, Prostaglandins
- Trial name
- NCT07338370
- Testing
- Ibuprofen (Brufen®)
- Where
- Egypt
- Volunteers
- 34 people
- Sponsor
- Ain Shams University
Altitude Training Adaptation, Cognitive Function
Effects of Bicarbonate Spring Water Immersion on Cognitive Reliability and Post-Maximal Exercise Recovery in Adolescent Rowers During Altitude Training: A Sex-Stratified Three-Arm Randomized Controlled Trial
This randomized controlled trial aims to investigate the effects of hot spring bath therapy on cognitive function recovery, cerebral hemodynamics, and athletic performance in athletes undergoing altitude training.
- Conditions
- Altitude Training Adaptation, Cognitive Function, Cerebral Hemodynamics, Exercise Performance
- Trial name
- NCT07608913
- Testing
- Control Group：Natural Recovery, Hot water immersion group, hot spring immersion group
- Where
- China
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Macao Polytechnic University
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
Cognitive Decline
Investigate the Effect of Tart Montmorency Cherry Juice (Prunus Cerasus) on Cerebral Blood Flow and Cognitive Function
Scientific studies in humans suggest that diets high in fruit and vegetables may be able to improve some aspects of mental performance such as improving memory and reaction times.
- Trial name
- NCT02381860
- Testing
- 60mL tart Montmorency cherry juice
- Where
- United Kingdom
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Cerebrovascular Function, Cerebral Blood Flow
Mechanistic Effect of Ketones on Cerebral Blood Flow
Oral supplements containing exogenous ketones have recently become available and represent a novel tool for increasing plasma ketone bodies without the need for dietary restriction.
- Trial name
- MEKC (NCT06217159)
- Testing
- Poikilocapnia, Normocapnia
- Where
- Canada
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- McMaster University
Migraine
Stimulation of External Carotid Artery Circulation
This study is testing a new approach to help people with migraine headaches. Researchers want to find out if using electrical stimulation to affect blood flow in the external carotid artery is safe and practical for helping…
- Trial name
- MMA-Stim (NCT07402954)
- Testing
- Cadwell Cascade 32 PRO
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- The University of Texas Medical Branch, Galveston
Depression, Serotonin Deficiency
Human Cerebral Blood Flow and Serotonin
Breathing, blood pressure, and blood flow into the brain are controlled - in part - by small areas in the brainstem; the central chemoreceptors.
- Trial name
- NCT05957094
- Testing
- Pharmacological agent: Citalopram
- Where
- Canada
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Cerebral Oxygenation and Blood Flow in Tobacco Use Disorder
Investigation of Brain Oxygenation and Blood Flow in Smokers
Cerebral oxygenation and blood flow in tobacco use disorder and their relation to smoking abstinence will be measured with MRI" ändern in "Cerebral oxygenation and blood flow in tobacco use disorder
- Trial name
- OEF (NCT03571243)
- Testing
- no intervention
- Where
- Germany
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Central Institute of Mental Health, Mannheim
Adverse Effect, Cerebral Perfusion
Investigation Of The Effects Of Unilateral And Bilateral Spinal Anesthesia On Cerebral Blood Flow
Spinal anesthesia is a widely used method in anesthesia practice. Unilateral spinal block refers to a neuroaxial technique that induces motor and sensory blockade on the surgical side.
- Trial name
- NCT06871449
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Nuh Naci Yazgan University
Healthy Adolescents
Activity Breaks for Brain Health in Adolescents
The main aim for this study is to investigate to what extent physical activity of moderate or low intensity, relative to prolonged inactivity, may acutely alter neural activity-related prefrontal cortex oxygenated hemoglobin…
- Trial name
- ABBaH teens (NCT04552626)
- Testing
- Prolonged sitting (social breaks), Prolonged sitting with step-up exercise break, Prolonged sitting with simple resistance activity breaks
- Where
- Sweden
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- The Swedish School of Sport and Health Sciences