Clinical trials: Cerebral Blood Flows
Brain Injuries
Clinical Pilot Study to Evaluate a New Multi-parameter Neuromonitoring Device in Brain-injured Patients
Clinical pilot study to evaluate a new multi-parameter neuromonitoring device that allows the measurement of regional cerebral blood flow (rCBF), intracranial pressure (ICP), brain temperature monitoring and ventricular…
- Trial name
- CBMS FIH (NCT03249220)
- Testing
- Placement of the CBMS Probe
- Where
- 2 sites in Switzerland
- Volunteers
- 1 people
- Sponsor
- Carag AG
Acute Ischemic Stroke
Implant for Augmentation of Cerebral Blood Flow Trial, Effectiveness and Safety in a 24 Hour Window (ImpACT-24A)
The primary objective of the study is to assess the safety and effectiveness of SPG stimulation with the ISS in patients with an acute ischemic stroke in the anterior circulation initiated within 24 hours from stroke onset.
- Trial name
- ImpACT-24A (NCT03767192)
- Testing
- Active Stimulation
- Where
- 8 sites in United States, Germany and 1 more
- Volunteers
- 327 people
- Sponsor
- BrainsGate
Dementia
BOLD Functional Magnetic Resonance Imaging (fMRI) and Cerebral Blood Flow Measurements as Biomarkers for Cognition Enhancing Drugs (3134-006)
This study will evaluate functional magnetic resonance imaging (fMRI) and methods for measuring drug induced changes in cerebral blood flow as biomarkers for attention-improving drugs.
- Trial name
- NCT00887601
- Testing
- MK3134, Donepezil
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Stroke, Ischemic, Infarction, Middle Cerebral Artery
Testing of Identification Markers for Stroke
Stroke is the third leading cause of death and the first cause of physical disability and dementia worldwide. Ischemic stroke caused by large vessel occlusion (LVO) is responsible for the vast majority of deaths and disabilities.
- Conditions
- Stroke, Ischemic, Infarction, Middle Cerebral Artery, Infarction, Anterior Circulation, Brain
- Trial name
- TIME (NCT04292600)
- Testing
- POCKiT diagnostics' algorithm for LVO detection
- Where
- 3 sites in United States
- Volunteers
- 383 people
- Sponsor
- POCKiT diagnostics Ltd
Cardiac Rhythm Disorders, Urological Disorders
Product Surveillance Registry
The purpose of the Registry is to provide continuing evaluation and periodic reporting of safety and effectiveness of Medtronic market-released products.
- Conditions
- Cardiac Rhythm Disorders, Urological Disorders, Neurological Disorders, Cardiovascular Disorders
- Trial name
- PSR (NCT01524276)
- Where
- 402 sites in United States, Argentina and 39 more
- Volunteers
- 100,000 people
- Sponsor
- Medtronic
Aneurysm, AVM, Dural Arteriovenous Fistula, Glioma, Meningioma, Metastasis, Bypass
Intraoperative Laser Speckle Contrast Imaging of Cerebral Blood Flow
The purpose of the proposed study is to investigate the usefulness of laser speckle contrast imaging (LSCI) compared to indocyanine green angiography (ICGA).
- Trial name
- NCT05305378
- Testing
- Laser speckle contrast imaging (LSCI)
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Dynamic Light
Reconstructive Surgical Procedures, Plastic Surgery
Leica Microsystems Sponsored Study to Collect and Confirm Clinical Data on the Performance of the GLOW800 Device When Used in Accordance With Its Intended Use.
This post-market clinical follow-up (PMCF) study aims to confirm the safety and performance of the GLOW800 surgical microscope accessory when used in conjunction with the ARveo8x surgical microscope.
- Conditions
- Reconstructive Surgical Procedures, Plastic Surgery, Vascular Surgical Procedure, Cerebrovascular Disorder
- Trial name
- IMED-GLOW800 (NCT07164040)
- Testing
- The GLOW800, a non-contact, non-invasive device, allows the surgical microscope ARveo 8 and ARveo 8X to produce excitation light and resolve fluorescence emission from the fluorescent agent ICG
- Where
- 3 sites in Portugal, Spain and 1 more
- Volunteers
- 31 people
- Sponsor
- Leica Microsystems (Schweiz) AG
Ischaemic Stroke
The RETRAIN Trial Phase 2
Ischaemic strokes, caused by a disruption in the brain's blood supply, are the second leading cause of death and disability in the United Kingdom.
- Trial name
- RETRAIN 2 (NCT07197996)
- Testing
- Intermittent Pneumatic Compression, geko® T3
- Where
- United Kingdom
- Volunteers
- 53 people
- Sponsor
- Firstkind Ltd
Ischemic Stroke
THE IMPACT- 24M TRIAL (IMPlant Augmenting Cerebral Blood Flow in Mild Strokes Trial 24 Hours From Stroke Onset)
Study Population: Subjects with Mild Acute Ischemic Stroke in the anterior circulation within 24 hours from onset. Study objectives: 1. Identify the personal stimulation level for each patient based on physiological biomarkers 2.
- Trial name
- ImpACT-24M (NCT03551093)
- Testing
- ISS SPG stimulation
- Where
- 4 sites in Georgia
- Volunteers
- 50 people
- Sponsor
- BrainsGate
Hypertension, Stroke
Cilnidipine Effect on High Blood Pressure and Cerebral Perfusion in Ischemic Stroke Patients With Hypertension
The purpose of this study is to compare the effect of cilnidipine (a calcium channel blocker) and losartan (an angiotensin II receptor blocker) on cerebral blood flow (CBF) and blood pressure in hypertensive patients with a…
- Trial name
- NCT00325637
- Testing
- cilnidipine
- Where
- South Korea
- Volunteers
- 250 people
- Sponsor
- Boryung Pharmaceutical Co., Ltd
Ischemic Stroke
Implant for Augmentation of Cerebral Blood Flow Trial, Effectiveness and Safety in a 24 Hour Window
The primary objective of the study is to assess the safety and effectiveness of SPG stimulation with the ISS in patients with an acute ischemic stroke in the anterior circulation initiated within 24 hours from stroke onset.
- Trial name
- ImpACT-24B (NCT00826059)
- Testing
- Active Sphenopalatine Ganglion (SPG) Stimulation
- Where
- 73 sites in United States, Canada and 16 more
- Volunteers
- 1,078 people
- Sponsor
- BrainsGate
Depressive Disorder and Anxiety Disorders
PET (Positron Emission Tomography)/Public Speaking Study With A Combination Of 2 Medications In Social Anxiety Patients
This six-arm study is being conducted to measure the effect of a combination of paroxetine and vestipitant on the arousal induced by public speaking in Seasonal Effective Disorder (SAD) patients, using functional brain imaging…
- Trial name
- NCT00343707
- Testing
- vestipitant, paroxetine
- Where
- Sweden
- Volunteers
- 72 people
- Sponsor
- GlaxoSmithKline
Ischemic Stroke
Augmenting Cerebral Blood Flow to Preserve the Penumbra Trial
The primary objective of the study is to demonstrate that SPG (Sphenopalatine Ganglion) stimulation started within 6 hours from stroke onset slows the expansion of the infarct core volume in acute ischemic stroke.
- Trial name
- ImpACT-P (NCT04014621)
- Testing
- SPG stimulation
- Where
- 4 sites in Georgia
- Volunteers
- 100 people
- Sponsor
- BrainsGate
Alzheimer's Disease
A Study to Assess Regional Cerebral Blood Flow as an Alzheimer's Disease Biomarker Compared to Positron Emission Tomography in Patients With Mild-to-Moderate Alzheimer's Disease and Cognitively Normal Elderly Subjects (Study MK-0000-068)(COMPLETED)
The aim of the study is to determine if regional cerebral blood flow, measured by dynamic arterial spin labeling (dASL), can be a biomarker for stage of Alzheimer's disease.
- Trial name
- NCT00757939
- Testing
- MRI, FDG-PET
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Traumatic Brain Injury (TBI)
Noninvasive Monitoring of Cerebral Blood Flow Autoregulation in Patients With Traumatic Brain Injury (TBI)
BACKGROUND: The brain is very sensitive to both excessive and insufficient flow of blood. Cerebral blood flow (CBF) is normally auto-regulated by the blood vessels in the brain, but this protective mechanism is often disturbed…
- Trial name
- REG01 (NCT01605838)
- Where
- United States
- Sponsor
- Advanced Brain Monitoring, Inc.
Heart Failure With Reduced Ejection Fraction
Lumacaftor Yields Reversal of Impaired Cerebral Blood Flow in Heart Failure Patients
Cognitive impairment (CI) is highly prevalent in patients with heart failure with reduced ejection fraction (HFrEF), which has significant implications for disease management, quality of life and clinical outcomes.
- Trial name
- LYRIC-HF (NCT07695090)
- Testing
- Lumacaftor 200 MG
- Where
- 2 sites in Canada
- Volunteers
- 60 people
- Sponsor
- Qanatpharma AG
Liver Cirrhosis, Liver Failure
Effects on Plasma Exchange on Functional Capacity of Serum Albumin, Circulatory Dysfunction, Renal and Cerebral Function in Cirrhotic Patients With "Acute-on-chronic Liver Failure"
The purpose of this study is to evaluate the effects on plasma exchange with 5% albumin on albumin functional capacity, cardiocirculatory, renal and cerebral function in cirrhotic patients with "acute-on-chronic liver failure".
- Trial name
- NCT01201720
- Testing
- Plasma exchange with albumin
- Where
- Spain
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Instituto Grifols, S.A.
Normal Subject / Healthy Volunteers
VitalFlow Healthy Volunteer Study
Find the stimulation threshold of the facial nerve (ganglion Geniculate) associated with tolerability and safety in subjects Healthy humans.
- Trial name
- NCT03487393
- Testing
- magnetic facial nerve stimulation
- Where
- Mexico
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Nervive, Inc.
Sickle Cell Disease
Voxelotor Brain Oxygenation and Neurocognitive Study
This is an open label, single arm multicenter trial to evaluate the effect of voxelotor treatment on cerebral blood flow (CBF) and neurocognitive function in adolescent and young adult participants (12-30 years of age) with…
- Trial name
- NCT05228821
- Testing
- Voxelotor Oral Tablet
- Where
- 2 sites in United States
- Sponsor
- Pfizer
Gait or Balance Disorder Problems
The CBF Study Evaluating the Effect of Betahistine on the Cerebral Blood Flow
Betahistine may provide benefit by enhancement of Cerebral Blood Flow (CBF). This placebo-controlled pharmacodynamic treatment study will primarily explore the effect of betahistine on cerebral blood flow measured by dynamic…
- Trial name
- CBF (NCT01468285)
- Testing
- betahistine dihydrochloride
- Where
- 2 sites in Singapore
- Volunteers
- 27 people
- Sponsor
- Abbott Products