Clinical trials: Cerebral Perfusion
Traumatic Brain Injury
Imaging of Traumatic Brain Injury
This project aims to study the prognostic ability of various MRI imaging markers in the evaluation of TBI patients. Cognitive, social, and occupational recovery will be measured at each time point, and compared to MRI findings.
- Trial name
- Imaging of TBI (NCT01196299)
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Obesity, Insulin Resistance
Effects of Intermittent Fasting on Insulin Resistance, Cardiac Metabolism, and Cerebral Perfusion
The overall purpose of the study is to investigate whether three weeks of intermittent fasting (alternate-day fasting, (ADF)) result in a more pronounced "metabolic shift" towards the use of ketone bodies than three weeks of…
- Trial name
- NCT05181267
- Testing
- Intermittent fasting
- Where
- Denmark
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Neuropsychiatric Systemic Lupus Erythematosus
Magnetic Resonance Spectroscopy, Perfusion, and Diffusion Tensor Imaging in Neuropsychiatric Lupus
The purpose of this study is to determine if three functional Magnetic Resonance brain imaging techniques: Magnetic Resonance Spectroscopy(MRS),Magnetic Resonance perfusion, and Diffusion Tensor Imaging(DTI) can detect brain…
- Trial name
- NCT00730002
- Testing
- Magnetic Resonance Angiography (MRA), Magnetic resonance imaging, MRA
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Alzheimer's Disease, Mild Cognitive Impairment
Retinal Imaging in Neurodegenerative Disease
This study aims to develop and evaluate biomarkers using non-invasive optical coherence tomography (OCT) and OCT angiography (OCTA) as well as ultra-widefield (UWF) fundus photography to assess the structure and function of the…
- Conditions
- Alzheimer's Disease, Mild Cognitive Impairment, Parkinson's Disease, Multiple Sclerosis
- Trial name
- NCT03233646
- Testing
- Retinal and Choroidal Imaging
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Duke University
Cardiac Arrest
Coronary and Cerebral Perfusion Optimization in Cardiac Arrest: A Feasibility and Physiological Study
Our general objective, during this study, is to evaluate the feasibility and potential physiological benefits of using REBOA (resuscitative endovascular balloon occlusion of the aorta) CPR (cardiopulmonary resuscitation) for…
- Trial name
- CC-POCA (NCT05326789)
- Testing
- REBOA catheter
- Volunteers
- 20 people
- Sponsor
- Ciusss de L'Est de l'Île de Montréal
Stroke
Multi-delay Arterial Spin Labeling Application in Acute Ischemic Stroke
This study explores the value of the non-invasive quantitative evaluation system for cerebral blood flow perfusion function in the diagnosis of stroke.
- Trial name
- NCT05213793
- Testing
- multi-delay arterial spin labeling
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Xuanwu Hospital, Beijing
Cerebral Ischemia
Impact of Interscalene Nerve Block on Cerebral Perfusion During Surgery in the Beachchair Position
Beachchair position is used by many orthopaedic surgeons for shoulder surgery. Most patients undergoing surgery in this position have no complications.
- Trial name
- NCT01983618
- Testing
- Interscalene nerve block and catheter, Interscalene catheter
- Where
- Canada
- Volunteers
- 25 people
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Alzheimer Disease, Dementia, Vascular
Cerebral Vascular Reserve in Small Vessel Disease and Alzheimers Disease
Alzheimers disease and cerebral small vessel disease have a considerably overlap in patients and have common risk factors. The diseases are difficult to separate in individual patients and we hypothesize that a reduced cerebral…
- Trial name
- NCT05443308
- Testing
- Cerebral [15O]H2O PET before and after diamox infusion
- Where
- Denmark
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Bispebjerg Hospital
The Time Used for Determining Optimal CPP
NIRS Directed Optimal Cerebral Perfusion Pressure in Septic Shock Patients: A Feasibility Study
After the initial injury, secondary insults including poor cerebral perfusion are main contributors to poor outcome and their early detection and amelioration are keystone to neurocritical care.
- Trial name
- NCT03879317
- Testing
- Continuous NIRS monitoring
- Volunteers
- 30 people
- Sponsor
- Xiangya Hospital of Central South University
Atherosclerosis of Artery, Carotid Endarterectomy
Associations of Carotid Plaque Characteristics With Brain Perfusion and Cognitive Function in Patients Undergoing CEA
Stroke is one of the leading causes of death and disability-adjusted life-years worldwide. Carotid high-risk atherosclerotic plaques are considered to be one of the major sources of ischemic stroke.
- Trial name
- NCT04955015
- Testing
- carotid endarterectomy
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Peking University Third Hospital
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)
Aneurysmal Subarachnoid Hemorrhage
Ultrasound Perfusion Imaging After Aneurysmal Subarachnoid Hemorrhage
The purpose of this study is to examine wether delayed cerebral ischemia can be predicted by ultrasound brain perfusion imaging in patients with aneurysmal subarachnoid hemorrhage (SAH).
- Trial name
- PSAB (NCT01537263)
- Testing
- Ultrasound Perfusion Imaging
- Where
- Germany
- Volunteers
- 30 people
- Sponsor
- Asklepios Kliniken Hamburg GmbH
Intracranial Hypertension
Non Invasive Measurement With Trans Cranial Doppler Versus Invasive Measurement in Pediatric Age
An increase of intracranial pressure (ICP) is an important cause of secondary brain damage. The gold standard for measuring ICP is represented by invasive positioning of intracranial ICP devices.
- Trial name
- nICPped (NCT05340062)
- Testing
- bedside sonography
- Where
- 6 sites in Italy
- Volunteers
- 46 people
- Sponsor
- Azienda Ospedaliera di Padova
Supratentorial Neoplasms, Anesthesia, General
Effect of PEEP on Subdural Pressure, Optic Nerve Sheath Diameter, Lung Compliance and Brain Perfusion Pressure
We aim to determine the level of intraoperative PEEP that optimizes lung compliance without causing a rise in subdural pressure and if we can utilize optic nerve sheath diameter measurement as an indicator for ICP while…
- Conditions
- Supratentorial Neoplasms, Anesthesia, General, Optic Nerve
- Trial name
- NCT04316208
- Testing
- PEEP variations
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people
- Sponsor
- Istanbul University
Adult Anaplastic (Malignant) Meningioma, Adult Anaplastic Astrocytoma
Gadobutrol Versus Gadopentetate Dimeglumine or Gadobenate Dimeglumine Before DCE-MRI in Diagnosing Patients With Multiple Sclerosis, Grade II-IV Glioma, or Brain Metastases
This pilot clinical trial compares gadobutrol with standard of care contrast agents, gadopentetate dimeglumine or gadobenate dimeglumine, before dynamic contrast-enhanced (DCE)-magnetic resonance imaging (MRI) in diagnosing…
- Conditions
- Adult Anaplastic (Malignant) Meningioma, Adult Anaplastic Astrocytoma, Adult Anaplastic Ependymoma, Adult Anaplastic Oligodendroglioma
- Trial name
- NCT02967380
- Testing
- Dynamic Contrast-Enhanced Magnetic Resonance Imaging, Gadobenate Dimeglumine, Gadobutrol
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- University of Southern California
Acute Ischemic Stroke, Functional Outcomes
Effects of Human Urinary Kallidinogenase on Early Improvement and Functional Outcomes in Acute Ischemic Stroke (TK-SPEED)
The primary purpose of this trial is to evaluate the effects of Human Urinary Kallidinogenase on improvement of neurological outcome, and early cerebral perfusion in acute ischemic stroke.
- Trial name
- NCT06132880
- Testing
- Human Urinary Kallidinogenase, Clinical Routine Treatment
- Volunteers
- 540 people
- Sponsor
- Beijing Tsinghua Chang Gung Hospital
Parkinson's Disease
Non-invasive Measurement of Brain Oxygen Levels in People With Subthalamic Deep Brain Stimulators
The purpose of this study is to determine if deep brain stimulation can change brain oxygen levels in people with Parkinson's Disease.
- Trial name
- NCT02278406
- Testing
- Deep brain stimulator
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Beth Israel Deaconess Medical Center
Ischemic Stroke
Perfusion and Collaterals Imaging With C-arm CT
Single-center, single-arm pilot study to evaluate the ability of C-arm computed tomography imaging to assess perfusion parameters, collateral vessels, recanalization and brain ischemia in patients with suspected or proven…
- Trial name
- NCT03161691
- Testing
- Percutaneous treatment of ischemic stroke
- Where
- Canada
- Volunteers
- 30 people
- Sponsor
- University Health Network, Toronto
General Anesthesia
Cerebral Perfusion Variation During Blood Pressure Changes Under General Anesthesia
The risk associated with arterial hypotension during general anesthesia for surgery has been demonstrated , but the threshold at which consequences for perfusion of one or more organs appear varies according to the mechanism of…
- Trial name
- DELTAPAMAG (NCT05803876)
- Testing
- Diagnostic test - monitoring
- Where
- France
- Volunteers
- 100 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Ischemic Stroke, Intracranial Aneurysm
Analysis of Selective Cerebrovascular Distribution With FDCT in the Angiosuite
The aim of this study is to evaluate the clinical feasibility of the angiographic Flat Detector CT perfusion imaging (6s PBV) technique.
- Conditions
- Ischemic Stroke, Intracranial Aneurysm, Intracranial Arterial Diseases, Cerebral Hypoxia
- Trial name
- NCT03916133
- Testing
- Intervention group
- Where
- Belgium
- Volunteers
- 127 people
- Sponsor
- University Hospital, Antwerp