Clinical trials: Cerebrovascular Circulation
Child, Only, Essential Hypertension
Juvenile Essential Arterial Hypertension and Vascular Function
The main goal of this study is to investigate the association of the juvenile essential arterial hypertension with systemic micro- and macrovascular reactivity and cerebral vascular function, and to examine the potential impact…
- Trial name
- NCT05109013
- Where
- Croatia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Josip Juraj Strossmayer University of Osijek
Stroke Ischemic, Stroke Acute
Posterior Circulation ASTRAL Prognostic Score
The goal of this study is to develop a prognostic score for ischemic posterior circulation strokes, based on our previous work on with the ASTRAL scores (Acute STroke Registry and Analysis of Lausanne) on overall stroke…
- Conditions
- Stroke Ischemic, Stroke Acute, Posterior Circulation Brain Infarction, Risk Score
- Trial name
- NCT05906420
- Testing
- ASTRAL prognostic score
- Where
- 2 sites in Greece, Switzerland
- Volunteers
- 2,000 people
- Sponsor
- University of Thessaly
Traumatic Brain Injury
Ketogenic Diet & Functional Recovery in Moderate to Severe Traumatic Brain Injury
Traumatic Brain Injury (TBI) represents a significant public health risk in the United States leaving many survivors with significant long term cognitive deficits and at risk for neurodegenerative diseases.
- Trial name
- NCT04530032
- Testing
- ketogenic/modified Atkins diet, Standard diet
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Loma Linda University
Hypoperfusion in Newborn With Congenital Heart Disease
Cerebral Blood Flow in Neonates During Major Cardiac Surgery.
Rationale: During cardiac surgery, neonates are at high risk of cerebral damage: 36-78% will have new cerebral lesions after surgery.
- Trial name
- FLOWER (NCT04713605)
- Testing
- Critical closing pressure detection
- Where
- Netherlands
- Volunteers
- 80 people
- Sponsor
- UMC Utrecht
Multiple Sclerosis
MR Perfusion Imaging and Hypercapnia (Increased Carbon Dioxide) to Study New Blood Vessel Formation in Multiple Sclerosis
This study will use magnetic resonance imaging (MRI) to examine and compare changes in blood flow and blood volume in the brains of normal volunteers and patients with multiple sclerosis (MS).
- Trial name
- NCT00064909
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- National Institutes of Health Clinical Center (CC)
Brain Tumor
Intraoperative Optical Imaging of Brain Function
The goal of this proposal is to test the performance of a novel optical imaging system for real-time quantitative imaging of brain function through multiple hemodynamic measures during neurosurgery.
- Trial name
- NCT00632437
- Testing
- Speckle-Contrast Imaging
- Where
- United States
- Sponsor
- M.D. Anderson Cancer Center
Traumatic Brain Injury, Subarachnoid Hemorrhage
Cerebral Blood Flow (CBF) Disturbances Following Traumatic Brain Injury (TBI) and Subarachnoid Hemorrhage (SAH)
It is a "proof of concept" study, aimed to evaluate whether the "optimal CPP", defined by the best PRx, corresponds to the acceptable CBF values in patients affected by CBF disfunction caused by TBI or SAH.
- Trial name
- NCT00807833
- Where
- Italy
- Volunteers
- 20 people
- Sponsor
- Azienda Ospedaliera San Gerardo di Monza
Concussion
Vascular Assessment of Regulation Index Arrays Registry
The objective of this patient registry is to collect and analyze physiological data associated with baseline and brain injury identified in standard clinical practice (Normal Values, Recovery Curves, Correlation between Symptoms…
- Trial name
- VARIA (NCT02435082)
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- NeuroChaos Solutions, Inc.
Premature Birth
Study on the Development of Neonatal Cerebral Blood Flow Based on Ultrafast Ultrasound Doppler Imaging
Recently, with the development of perinatal medicine in China, the establishment of neonatal intensive care unit (NICU) and the improvement of respiratory support technology, the survival rate of preterm and term neonates has…
- Trial name
- NCT05761548
- Testing
- ultrafast ultrasound power Doppler imaging
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Peking University Third Hospital
Preterm, Patent Ductus Arteriosus
NeoDoppler: New Ultrasound Technology for Continuous Monitoring of Cerebral Circulation Pilot
Non-invasive tools for monitoring of course of disease are important and necessary in the treatment of pre-term/premature infants and sick neonates.
- Conditions
- Preterm, Patent Ductus Arteriosus, Sepsis, Asphyxia
- Trial name
- CE-NeoDoppler (NCT06646250)
- Testing
- NeoDoppler - CE certified
- Where
- Norway
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- St. Olavs Hospital
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
Cardiovascular Diseases, Cerebral Anoxia
Infant Heart Surgery: Central Nervous System Sequelae of Circulatory Arrest
To compare the influence of two surgical anesthetic techniques, hypothermia with circulatory arrest or hypothermia with low-flow bypass perfusion, on neurologic functioning in infants undergoing heart surgery.
- Conditions
- Cardiovascular Diseases, Cerebral Anoxia, Cerebrovascular Disorders, Defect, Congenital Heart
- Trial name
- BCAS (NCT00000470)
- Testing
- cardiac surgical procedures, cardiopulmonary bypass
- Volunteers
- 171 people
- Sponsor
- Boston Children's Hospital
Normal Human Subjects
Single Photon Emission Computed Tomography of the Normal Human Brain
The objective of the study is to acquire a database of Single Photon Emission Computed Tomographic (SPECT) studies of the brains of normal human subjects in resting and concentrating states.
- Trial name
- NCT01203891
- Where
- United States
- Volunteers
- 97 people, healthy volunteers welcome
- Sponsor
- Amen Clinics, Inc.
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)
Collateral Circulation, Large-artery Occlusion
Study of Collateral Circulation in Patients With Symptomatic Intracranial Anterior Circulation Occlusion
Intracranial artery stenosis is the leading cause of stroke onset or recurrence in Asian. Multiple studies have shown that anterior circulation is most common in intracranial artery stenosis, especially the middle cerebral artery…
- Conditions
- Collateral Circulation, Large-artery Occlusion, Cerebral Infarction
- Trial name
- NCT04091412
- Testing
- Butylphthalide Soft Capsules
- Where
- China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- The Second Hospital of Hebei Medical University
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
Congenital Heart Defect, Cerebrovascular Circulation
A Pilot Study- Monitoring Cerebral Blood Flow in Neonates With Congenital Heart Defects
Congenital heart defects have an incidence of 9/1000 live births. Infants with congenital heart defects such as Transposition of Great Arteries / Hypoplastic Left Heart are at risk for brain injury because of concomitant brain…
- Trial name
- NCT03512613
- Testing
- c-FLOW 3310-P
- Where
- Israel
- Volunteers
- 55 people
- Sponsor
- Ornim Medical
Healthy, Attention
Effect of 8-Week Dietary DHA Supplementation on Cerebral Blood Flow and Metabolic Function
The goal of this study is to determine if 8-week dietary treatment with the omega-3 fatty acid docosahexaenoic acid (DHA) improves attention performance and associated cortical activity and metabolism in 8 - 10 year old males…
- Trial name
- NCT00662142
- Testing
- docosahexaenoic acid
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- University of Cincinnati
Tracheo Esophageal Fistula, Congenital Diaphragmatic Hernia
Cerebral Blood Flow in Neonates During Thoracoscopic Surgeries
the aim of this study is to compare the effect of different modes of mechanical ventilation by using volume-controlled ventilation and pressure-controlled ventilation on cerebral blood flow monitored by cerebral oximetry during…
- Trial name
- NCT04507295
- Testing
- cerebral oximetry ( INVOS 5100 )
- Volunteers
- 30 people
- Sponsor
- Cairo University
Cerebrovascular Disorder, Healthy
Magnetic Resonance Imaging Studies of Motor and Thought Processes
Magnetic resonance imaging (MRI) is a diagnostic tool that creates high quality images of the human body without the use of X-ray (radiation).
- Conditions
- Cerebrovascular Disorder, Healthy, Movement Disorder, Nervous System Disease
- Trial name
- NCT00001361
- Where
- United States
- Volunteers
- 610 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)