Clinical trials: Cerebral Blood Flows
Hypotension
Vasopressor Impact on Brain Circulation, Organ Blood Flow and Tissue Oxygenation During Anesthesia
The optimal vasopressor for ensuring organ blood flow and tissue oxygen delivery during surgery remains undetermined. This study aim to compare the effects of noradrenaline vs.
- Trial name
- IMPACT (NCT06083948)
- Testing
- Noradrenalin, Phenylephrine
- Where
- Denmark
- Volunteers
- 32 people
- Sponsor
- University of Aarhus
Stroke, Problem of Aging
Modulation of Cerebral Blood Flow Using Quercetin, a Nutritional Supplement
The purpose of this study is to find out if quercetin can increase blood levels of hypoxia-inducible transcription factor 1 (HIF-1 protein) and to see if there is a corresponding increase in blood flow to the brain.
- Trial name
- Quercetin (NCT01376011)
- Where
- United States
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Ischemic Stroke
IMPACT- 24col Collateral Blood Flow Assessment Following SPG Stimulation in Acute Ischemic Stroke (ImpACT-24B Sub-Study)
The purpose of the ImpACT-24col sub-study is to explore effect of SPG stimulation on the augmentation of collateral blood flow and to relate it to the subject's cerebral blood flow status, the extent of the collateral vessel…
- Trial name
- NCT03396419
- Where
- Georgia
- Volunteers
- 1 people
- Sponsor
- BrainsGate
Fabry Disease, Healthy
PET Scans in Normal Volunteers and Patients With Fabry Disease
This study will determine the rate of sugar metabolism in the brain of patients with Fabry disease, a genetic disease of abnormal lipid metabolism.
- Trial name
- NCT00005111
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Infant, Very Low Birth Weight, Infant, Premature, Diseases
Regulation of Cerebral Blood Flow in Very Low Birth Weight Infants
Advances in newborn intensive care have lead to dramatic improvements in survival for the most premature infants-often weighing 1 pound at birth.
- Conditions
- Infant, Very Low Birth Weight, Infant, Premature, Diseases, Cerebral Hemorrhage
- Trial name
- NCT00579943
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- University of Arkansas
Multiple Sclerosis, Relapse
Coagulation/Complement Activation and Cerebral Hypoperfusion in Relapsing-remitting Multiple Sclerosis
This is a multi-center, prospective, controlled study. MS patients (1° group: 30 patients in relapse; 2° group: 30 patients in remission) and age/sex-matched healthy controls (3° group: 30 subjects) will be enrolled in the study.
- Trial name
- NCT04380220
- Testing
- Blood samples and processing
- Where
- 3 sites in United States, Italy
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Regina Elena Cancer Institute
Headache
Prostaglandin F2alpha in a Human Headache Model
The hypothesis of this study is that PGF2alpha does not induce headache or dilatation of brain vessels.
- Trial name
- NCT01327118
- Testing
- Prostaglandin F2alpha, Isoton sodium chloride
- Where
- Denmark
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Danish Headache Center
Brain Cancer, Thyroid Cancer
Cancer and Other Disease Risks in U.S. Nuclear Medicine Technologists
Background: The field of nuclear medicine has changed a lot in the past decades. Technology has gotten better, so patients are exposed to less radiation. But now workers are doing procedures more often and using lead aprons less.
- Conditions
- Brain Cancer, Thyroid Cancer, Circulatory Disease, Breast Cancer
- Trial name
- NCT02911155
- Where
- United States
- Volunteers
- 229 people
- Sponsor
- National Cancer Institute (NCI)
Stroke, Stroke, Acute
BELgian CT-perFUSion Study to Select Acute Stroke Patients for Thrombectomy
The goal of this clinical trial is to test whether perfusion CT can be used as a selection tool in stroke patients with a major anterior circulation occlusion, to exclude patients from thrombectomy because of a predicted…
- Conditions
- Stroke, Stroke, Acute, Stroke, Ischemic
- Trial name
- BELFUS (NCT05685043)
- Testing
- perfusion CT
- Sponsor
- University Hospital, Ghent
Brain Vascular Function, Cerebral Blood Flow
Mixed Nuts and Brain Vascular Function
Impaired brain vascular function precedes the development of reduced cognitive performance, while brain insulin-resistance is also associated with cognitive decline.
- Trial name
- NCT04210869
- Testing
- Mixed Nuts
- Where
- Netherlands
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Headache, Cervicogenic, Exercise
The Effect Of Cervical Mobilization And Clinical Pilates in Cervicogenic Headache
Cervicogenic headache (CH) arises from cervical region problems. Various physiotherapy methods such as manual therapy approaches and exercise training are used in the treatment of CH.
- Conditions
- Headache, Cervicogenic, Exercise, Therapeutics
- Trial name
- NCT05883319
- Testing
- manuel therapy, exercises
- Where
- Turkey (Türkiye)
- Volunteers
- 45 people
- Sponsor
- Meltem Uzun
Hyperextension Injury of Neck
Effects of Cervical Hyperextension on Cervical Blood Flow, Cerebral Oximetry and Cognitive Functions.
The goal of this observational study is to determine the effects of cervical hyperextension on cerebral oximetry and cognitive functions in healthy individuals without other additional factors such as anesthesia and surgical…
- Trial name
- NCT05576857
- Testing
- Doppler ultrasonography
- Where
- Turkey (Türkiye)
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Duzce University
Intracranial Pressure, Cerebral Blood Flows
Combined Flow and Pressure Study of Craniospinal Dynamic
Normal pressure hydrocephalus (NPH) can cause a type of dementia. However, this type of dementia is the only one that is reversible.
- Conditions
- Intracranial Pressure, Cerebral Blood Flows, Infusion Test, Phase Contrast MRI
- Trial name
- REVERT (NCT05068128)
- Testing
- Flow MRI, PERFUSION TEST
- Where
- France
- Volunteers
- 75 people
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Mild Cognitive Impairment
NAD Therapy for Improving Memory and Brain Blood Flow in Older Adults With Mild Cognitive Impairment
This study will provide insight into whether a nutritional supplement, nicotinamide riboside (NR), improves memory and brain blood flow in older adults with low memory abilities.
- Trial name
- NCT03482167
- Testing
- Niagen®
- Where
- United States
- Volunteers
- 64 people
- Sponsor
- University of Delaware
Cardiac Arrest, Extracorporeal Circulation
Cytokine Adsorption in Post-cardiac Arrest Syndrome in Patients Requiring Extracorporeal Cardiopulmonary Resuscitation
Almost all patients with refractory cardiac arrest, who are primarily stabilized under ongoing cardiopulmonary resuscitation by transcutaneous implantation of a venoarterial extracorporeal membrane oxygenation system (va-ECMO for…
- Conditions
- Cardiac Arrest, Extracorporeal Circulation, Extracorporeal Membrane Oxygenation, Cytokine Storm
- Trial name
- CYTER (NCT03685383)
- Testing
- Cytosorb removal column in eCPR, standard eCPR (va-ECMO)
- Where
- Germany
- Volunteers
- 41 people
- Sponsor
- University Hospital Freiburg
Extracorporeal Circulation; Complications, Renal Failure
Impact of Cardiopulmonary Bypass Flow on Renal Oxygenation, Blood Flow and Tubular Injury
During open cardiac surgery, cardiopulmonary bypass (CPB) is used to temporarily replace the function of the heart and lungs. Renal ischemia resulting in acute kidney injury is common after cardiac surgery.
- Conditions
- Extracorporeal Circulation; Complications, Renal Failure, Circulation Disorder, Renal Plasma Flow, Effective
- Trial name
- ICAROX2 (NCT04084301)
- Testing
- High CPB flow
- Where
- Sweden
- Volunteers
- 100 people
- Sponsor
- Sahlgrenska University Hospital
Cerebral Hemorrhage, Subarachnoid Hemorrhage
Brain PERfusion Evaluation by Contrast-Enhanced UltraSound
The objective of the study is to assess brain tissue perfusion by contrast-enhanced ultrasound perfusion imaging (PerCEUS) in acute brain injuries.
- Conditions
- Cerebral Hemorrhage, Subarachnoid Hemorrhage, Ischemic Stroke, Cerebrovascular Circulation
- Trial name
- PerCEUS (NCT05893407)
- Testing
- Measuring contrast-enhanced ultrasound perfusion with phase inversion harmonic imaging
- Where
- France
- Volunteers
- 60 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Infarction, Middle Cerebral Artery, Infarction, Anterior Cerebral Artery
Effect of Mesenchymal Stem Cells(MSCs) Transplantation for Acute Cerebral Infarction Patients
This is a placebo controlled, randomized, double blinded study including Phase 1 and Phase 2. Phase I study is a safety assessment and Phase 2 study is incline to assess effectiveness of MSCs.
- Conditions
- Infarction, Middle Cerebral Artery, Infarction, Anterior Cerebral Artery, Cerebral Infarction, Stroke, Ischemic
- Trial name
- NCT04093336
- Testing
- human umbilical cord mesenchymal stem cells, standardized treatment
- Where
- China
- Volunteers
- 120 people
- Sponsor
- Shanghai East Hospital
Cerebral Oxygen Saturation
Influence of Variations in Systemic Blood Flow and Blood Pressure on Cerebral Oxygenation Measured by Cerebral Oximetry
This study emphasizes on the influence of changes in systemic flow and systemic mean arterial blood pressure (MAP) during cardiopulmonary bypass (CPB) on cerebral oxygenation assessed by near-infrared spectroscopy (NIRS).
- Trial name
- NCT01424800
- Testing
- A disposable NIRS (near-infrared spectroscopy) sensor will be applied on the patient's forehead for continuous registration of the cerebral oxygen saturation.
- Where
- Belgium
- Volunteers
- 34 people
- Sponsor
- University Hospital, Ghent
Traumatic Brain Injury
Single Photon Emission Computed Tomography (SPECT) Imaging Study of Professional American Football Players
The investigators primary objective is to acquire preliminary data on one-hundred former NFL veterans with at least one full year of professional service using brain SPECT imaging in order to assess the degree to which NFL…
- Trial name
- NCT01515839
- Testing
- Multivitamin Supplement intervention
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Amen Clinics, Inc.