Clinical trials: Cerebral Perfusion
Hypotension (MeSH: D007022)
Carotid Artery Blood Flow, Blood Pressure, and Cardiac Output During Anesthesia in Children Aged 0-5 Years
Blood pressure is routinely monitored during anesthesia in children, but blood pressure alone may not accurately reflect blood flow to vital organs.
- Trial name
- CARFLOW (NCT07847203)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Multiple Sclerosis
The Effect of Sildenafil Citrate (Viagra® (Registered Trademark)) on Brain Blood Flow in Multiple Sclerosis Patients
This study will determine whether sildenafil citrate, commonly known as Viagra, can cause increased blood flow to the brain in a wide range of multiple sclerosis (MS) patients, including women.
- Trial name
- NCT00094068
- Where
- United States
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Pantothenate Kinase-associated Neurodegeneration (PKAN)
Brain Perfusion in Pantothenate Kinase-associated Neurodegeneration (PKAN)
The purpose of this study is to learn whether blood flow in the brain is normal in people with pantothenate kinase-associated neurodegeneration (PKAN).
- Trial name
- NCT01838018
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Susan J. Hayflick
Cerebrovascular Accident, Moyamoya Disease
Quantifying Collateral Perfusion in Cerebrovascular Disease-Moyamoya Disease and Stroke Patients
Quantifying Collateral Perfusion in Cerebrovascular Disease-Moyamoya disease and stroke patients
- Trial name
- NCT01419275
- Testing
- Xenon contrast agent, Magnetic Resonance Imaging
- Where
- United States
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- Stanford University
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)
Preterm Infant, Term Infant
C-UCM and Cerebral Oxygenation and Perfusion
In this randomized controlled Pilot study the effects of cut-umbilical cord milking on cerebral oxygenation and perfusion measured via near-infrared spectroscopy (NIRS) and the effects on stroke volume (SV) and cardiac output…
- Conditions
- Preterm Infant, Term Infant, Transition
- Trial name
- NCT03748914
- Testing
- Intervention Group, Control Group
- Where
- Austria
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
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)
Status Epilepticus, Ictal-interictal Continuum
The Role of Imaging in the Diagnosis, Management and Prognosis of Possible Non-convulsive Status Epilepticus
The investigators propose a prospective study of 20 control subjects and 180 consecutive patients with possible non-convulsive status epilepticus (NCSE). The investigators will obtain three functional images of the brain: 1.
- Conditions
- Status Epilepticus, Ictal-interictal Continuum, Positron-emission Tomography, Perfusion Weighted MRI
- Trial name
- NCT06017973
- Testing
- MRI scan including arterial spin labelling of the brain, CT perfusion scan of the brain, FDG-PET scan of the brain
- Where
- Belgium
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Cerebral Blood Flow and Neonates During Acute Respiratory Failure
Cerebral Perfusion and Acute Respiratory Failure
The most common reason for admitting babies and infants to an intensive care unit is due to respiratory distress (breathing difficulties). At present there are a number of different treatments for respiratory distress.
- Trial name
- NCT03733795
- Testing
- TCD
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Liverpool John Moores University
Insulin Resistance
Insulin Resistance in Adolescents
The growing population of adolescents with insulin resistance (IR) is predicted to create a large public health burden in the next few decades.
- Trial name
- NCT04089332
- Testing
- Oral Glucose Tolerance Test (OGTT), 3 Tesla MRI, Intravenous Catheter
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison