Clinical trials: Cerebrovascular Circulation
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
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
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
Arterial Hypotension, Shock
Cerebral Circulation in Critically Ill Children
The principal purpose of this study is to describe the changes in cerebral circulation (assessed by transcranial ultrasound) and oxygenation (assessed by Near InfraRed spectroscopy, NIRS) during resuscitation for hemodynamic…
- Conditions
- Arterial Hypotension, Shock, Cerebral Lesion
- Trial name
- CIRCU-REAPED (NCT03731104)
- Testing
- Near InfraRed Spectroscopy assessment, Transcranial Doppler Ultrasound assessment, Cardiac output assessment
- Where
- 3 sites in France
- Volunteers
- 27 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
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
Polycystic Ovary Syndrome, Exercise
The Effects of High-intensity and Moderate-intensity Exercise on Polycystic Ovary Syndrome
This study will investigate the impact of high- and moderate-intensity exercise on the cardiometabolic and brain health of women with Polycystic Ovary syndrome (PCOS).
- Conditions
- Polycystic Ovary Syndrome, Exercise, Cerebrovascular Circulation
- Trial name
- NCT05394935
- Testing
- High-Intensity Exercise, Moderate-Intensity Exercise
- Where
- United Kingdom
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Cardiff Metropolitan University
Healthy, Mood Disorders
Effects of Drugs on Cerebral Blood Flow in Patients With Mood Disorders
Positron Emission Tomography (PET) is a technique used to investigate the functional activity of the brain. The PET technique allows doctors to study the normal biochemical and metabolic processes of the central nervous system of…
- Trial name
- NCT00001478
- Where
- United States
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
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
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
Cerebrovascular Disorder, Epilepsy
Brain Blood Flow Studies of Language and Memory
Positron Emission Tomography (PET) is a technique used to investigate the functional activity of the brain. The PET technique allows doctors to study the normal processes of the brain (central nervous system) of normal…
- Trial name
- NCT00001288
- Testing
- 15 O Water, FDG
- Where
- United States
- Volunteers
- 303 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Hemodynamic Monitoring
Effect of Cardiorespiratory Changes on Carotid Flow Time During Lung Resection Surgery
Cardiorespiratory changes during lung resection surgery, even though generally well tolerated, may lead to hemodynamic compromise, reducing venous return to the heart and hence cardiac output.
- Trial name
- NCT07808749
- Where
- Spain
- Volunteers
- 50 people
- Sponsor
- University of Valencia
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, 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
Obstructive Sleep Apnea Syndrome
Cerebral Blood Flow and Childhood Obstructive Sleep Apnea
Obstructive sleep apnea syndrome (OSAS) causes hypoxemia and hypercapnia, which may impair cerebral blood flow and cause deficits in behavior.
- Trial name
- NCT02995837
- Testing
- Sleep Study, Neurocognitive Testing, CBF During Wakefulness
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Philadelphia
Laparoscopic Surgery
A Comparative Study of Ventilation Strategies in Different Surgical Positions on Intracranial Pressure and Cerebral Blood Flow During Laparoscopic Surgery
The purpose of this clinical trial is to investigate the effects of laparoscopic surgery in the Trendelenburg and Reverse Trendelenburg positions, and variable tidal volume ventilation (V-VCV), pressure-regulated…
- Trial name
- NCT06805747
- Testing
- Variable tidal volume ventilation (V-VCV), Pressure-regulated volume-controlled ventilation (PRVC), Conventional volume-controlled ventilation (C-VCV)
- Where
- China
- Volunteers
- 240 people
- Sponsor
- Inner Mongolia Baogang Hospital
Healthy, Hypercapnia
Role of Prostaglandins in the Regulation of Brain Blood Flow
This study will use magnetic resonance imaging (MRI) to examine the role of prostaglandins-a type of fatty acid with hormone-like actions-in the regulation of brain blood flow.
- Trial name
- NCT00006318
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Cerebrovascular Accident, Fabry Disease
Vasodilation in Patients With Fabry's Disease
Fabry's disease a genetic disorder (X-linked recessive) due to the absence of the enzyme alpha-galactosidase A. The disease is characterized by abnormal collections of glycolipids in cells (histiocytes) within blood vessel walls…
- Conditions
- Cerebrovascular Accident, Fabry Disease, Healthy
- Trial name
- NCT00001774
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Randomized Controlled Trial, Intracranial Aneurysm
Comparison of Clipping Via Keyhole Versus Traditional Approaches and Coiling for Ruptured Aneurysms
Endovascular coiling has become a strategy of choice of intracranial aneurysms due to its minimally invasiveness. However, there has few prospective randomized controlled studies on the comparison of therapeutic effect between…
- Conditions
- Randomized Controlled Trial, Intracranial Aneurysm, Microsurgery, Endovascular Procedures
- Trial name
- NCT05049564
- Testing
- keyhole microneurosurgery, conventional microneurosurgery, endovascular coiling
- Volunteers
- 150 people
- Sponsor
- ZhuQing
Breast Cancer
Can Exercise Training Reduce the Frequency and Severity of Hot Flushes Associated With Breast Cancer Treatment?
In brief, this study sets out to understand if exercise training can reduce the frequency and severity of hot flushes associated with breast cancer treatment.
- Trial name
- NCT03286257
- Testing
- Exercise Intervention
- Where
- United Kingdom
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Liverpool John Moores University
Multiple Sclerosis
Regional Cortical Cerebral Quantitative MRI Perfusion Correlation Neurocognition in Multiple Sclerosis
Multiple Sclerosis (MS) is a common disease affecting 1/1000 Canadians. Cognition impairment is reported in 40-65% of patients and is socially and functionally disabling.
- Trial name
- NCT00812474
- Volunteers
- 60 people
- Sponsor
- Sunnybrook Health Sciences Centre