Clinical trials: Cerebral Blood Flows
Brain Vascular Disorders, Coronary Artery Disease
Detection of Ultrasound Contrast Signals in the Cerebral Circulation
To Determine whether transcranial ultrasound can detect the presence of intravenously injected microbubbles used routinely for dobutamine stress echocardiography.
- Trial name
- NCT00579241
- Testing
- Ultrasound on Temporal Bone
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Nebraska
Hemodynamic Instability
An Optical Neuro-monitor of Cerebral Oxygen Metabolism and Blood Flow for Neonatology
Feasibility trial on the use of a hybrid optical device integrating time-resolved near-infrared spectroscopy (TRS) and diffuse correlation spectroscopy (DCS) for measurement of cerebral oxygen metabolism and blood flow in…
- Trial name
- BabyLux (NCT02815618)
- Testing
- BabyLux Neuro-monitor
- Where
- 2 sites in Denmark, Italy
- Volunteers
- 48 people
- Sponsor
- Gorm Greisen
Healthy, Brain Insulin Sensitivity
Long-Term Effects of Walnut Consumption on Brain Function
Rationale: Healthy foods, including mixed nuts, may improve brain function, which is essential for cognitive and metabolic health, and may contribute to improved food intake regulation.
- Conditions
- Healthy, Brain Insulin Sensitivity, Cerebral Blood Flow, Brain Vascular Function
- Trial name
- WalBrain (NCT07422220)
- Testing
- Walnuts
- Where
- Netherlands
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Parkinson Disease, Orthostatic Hypotension
Cardiovascular Effects of Exercise in Patients With Parkinson's Disease
Abnormalities in the regulation of cardiovascular system due to autonomic nervous system (ANS) dysfunction may lead to a sudden decline in blood pressure (BP) upon standing, sitting or performing activities/exercises in patients…
- Trial name
- NCT03343574
- Testing
- Abdominal Strengthening Exercise
- Where
- Canada
- Volunteers
- 300 people
- Sponsor
- Faizan Ahmed
Preeclampsia
Ephedrine, Phenylephrine and Metaraminol Effects on Maternal Cardiac Output, Uterine Blood Flow and Fetal Circulation
It is a prospective clinical trial with random distribution that intends to investigate maternal and fetal effects of ephedrine, phenylephrine and metaraminol during cesarean delivery in patients with pre-eclampsia.
- Trial name
- NCT02245191
- Testing
- Ephedrine, Phenylephrine, Metaraminol
- Where
- Brazil
- Volunteers
- 60 people
- Sponsor
- University of Sao Paulo General Hospital
Autonomic Dysreflexia
Fesoterodine for Amelioration of Autonomic Dysreflexia (AD) Following Spinal Cord Injury (SCI)
This study will be investigating the effects of fesoterodine on autonomic dysreflexia (AD) in patients with spinal cord injuries (SCI).
- Trial name
- NCT02676154
- Testing
- Fesoterodine
- Where
- Canada
- Volunteers
- 15 people
- Sponsor
- University of British Columbia
Stroke Ischemic
Tenecteplase in ReperfUsion Therapy for Posterior Circulation Stroke With Extended Time Window: the TRUST Trial
The primary hypothesis being tested in this trial is that ischemic stroke patients in posterior circulation at 4.5 - 24 hours post onset of stroke will have improved clinical outcomes when given intravenous TNK compared to…
- Trial name
- NCT07073469
- Testing
- Tenecteplase (TNK) (0.25 mg/kg, to maximum of 25mg), Standard medical treatment
- Volunteers
- 330 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Stroke, Ischemic, Cerebrovascular Accident
The Effects of Blood Flow Restriction With Low-intensity Resistance Training Versus Traditional Resistance Exercise on Lower Limb Strength, Walking Capacity, and Balance in Patients With Ischemic Stroke: (BFR-Stroke RESILIENCE Trial)
Stroke is the leading neurological disease in the world that causes long-term disability. The most common cause of disability after stroke is motor impairment resulting from brain damage which ultimately causes mobility and…
- Trial name
- NCT05281679
- Testing
- Low-intensity resistance exercise with blood flow restriction group (L-BFR), High-intensity resistance exercise without blood flow restriction group (H-BFR).
- Where
- Turkey (Türkiye)
- Volunteers
- 32 people
- Sponsor
- Istanbul University - Cerrahpasa
Acute Ischemic Stroke
Implant for Augmentation of Cerebral Blood Flow Trial, Effectiveness and Safety in a 24 Hour Window (ImpACT-24A)
The primary objective of the study is to assess the safety and effectiveness of SPG stimulation with the ISS in patients with an acute ischemic stroke in the anterior circulation initiated within 24 hours from stroke onset.
- Trial name
- ImpACT-24A (NCT03767192)
- Testing
- Active Stimulation
- Where
- 8 sites in United States, Germany and 1 more
- Volunteers
- 327 people
- Sponsor
- BrainsGate
Caffeine, Flavonoids
Effects of a Cocoa Shot on the Human Brain
The Hershey Company is interested in investigating the effects of various chocolate beverages on brain physiology and cognitive function.
- Trial name
- NCT01924481
- Testing
- High Caffeine, Low caffeine, High theobromine
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Stroke, Ischemic
EEG Patterns in Patients With Acute Ischemic Stroke Resulted From Large Vessels Occlusion in the Anterior Circulation
Clinical deterioration is observing in up to forty percent of patients with acute ischemic stroke (AIS) due to large vessels occlusion.
- Trial name
- NCT04412434
- Testing
- Electroencephalography (EEG)
- Where
- Israel
- Volunteers
- 200 people
- Sponsor
- rambam62
Severe Traumatic Brain Injury With High Cerebral Pressure
Impact of Cardiac Blood Flow on Cerebral Blood Flow in Patients With Severe Traumatic Brain Injury
Severe traumatic brain injury with increased intracranial pressure can lead to decreased cerebral blood flow. Low cerebral blood flow is responsible for secondary lesions, leading to bad prognosis.
- Trial name
- DEBITC (NCT02019810)
- Testing
- Norepinephrine, Dobutamine and norepinephrine
- Where
- France
- Volunteers
- 20 people
- Sponsor
- University Hospital, Grenoble
Dementia
BOLD Functional Magnetic Resonance Imaging (fMRI) and Cerebral Blood Flow Measurements as Biomarkers for Cognition Enhancing Drugs (3134-006)
This study will evaluate functional magnetic resonance imaging (fMRI) and methods for measuring drug induced changes in cerebral blood flow as biomarkers for attention-improving drugs.
- Trial name
- NCT00887601
- Testing
- MK3134, Donepezil
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
High Altitude Hypoxia, Exercise
Ketone Monoester Supplements, High Altitude, and Brain Blood Flow During Exercise
The purpose of this trial is to investigate the effect of acute ketone monoester ingestion (0.6 g KME/kg body weight) on the occurrence of the ventilatory threshold and the subsequent response of blood velocity in cerebral…
- Trial name
- NCT07063732
- Testing
- Ketone Monoester (KME)
- Where
- 2 sites in United States, Canada
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- McMaster University
Acute Brain Injury, Mechanical Ventilation
Brain Monitoring During PEEP-Based Respiratory Therapy in Critically Ill Patients
Mechanical ventilation is commonly used in critically ill patients with acute brain injury. Positive end-expiratory pressure (PEEP) and lung recruitment maneuvers are important ventilator strategies for improving oxygenation, but…
- Conditions
- Acute Brain Injury, Mechanical Ventilation, Neurocritical Care
- Trial name
- NCT07716787
- Testing
- Recruitment Maneuver, Positive End-Expiratory Pressure Adjustment
- Where
- China
- Volunteers
- 50 people
- Sponsor
- Shengli Oilfield Hospital
Parkinson's Disease (PD), Anxiety
Blood Flow Restriction Aerobic Exercise for Balance and Anxiety in Parkinson's Disease
Reducing balance problems and anxiety severity are the top two research uncertainties for people with Parkinson's disease (PD). Besides having a mutually aggravating relationship between postural impairment and anxiety severity…
- Conditions
- Parkinson's Disease (PD), Anxiety, Postural Balance
- Trial name
- NCT07831980
- Testing
- Aerobic Exercise with Blood Flow Restriction, Aerobic Exercise without Blood Flow Restriction
- Volunteers
- 54 people
- Sponsor
- National Cheng-Kung University Hospital
Epilepsy, Epilepsy, Complex Partial
Effect of Vigabatrin on Brain Blood Flow and Glucose Metabolism
This study is designed to test the effects of vigabatrin (gamma-vinyl-GABA) an experimental drug used for the treatment of epilepsy.
- Trial name
- NCT00001489
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Healthy
The Effect of Ethanol on Brain Activity
This study is divided into two parts; each designed to answer a separate but related question: Which brain regions are activated in humans by the rewarding properties of ethanol administration? Is it possible to demonstrate a…
- Trial name
- NCT00074360
- Where
- United States
- Volunteers
- 107 people
- Sponsor
- National Institute on Alcohol Abuse and Alcoholism (NIAAA)
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
Ischemia Stroke, Thrombectomy
Intra-arterial Methylprednisolone After Endovascular Thrombectomy
The purpose of IMPACT-LVO trial is to investigate the efficacy and safety of early adjunctive intra-arterial combined with intravenous administration methylprednisolone sodium succinate after successful endovascular thrombectomy…
- Conditions
- Ischemia Stroke, Thrombectomy, Large Vessel Occlusion
- Trial name
- IMPACT-LVO (NCT07516522)
- Testing
- The methylprednisolone sodium succinate group
- Where
- China
- Volunteers
- 210 people
- Sponsor
- Tang-Du Hospital