Clinical trials: Cerebral Blood Flows
Partial Epilepsy
Serotonin Receptors in Seizure Disorders
Patients in this study will undergo PET scans (a type of nuclear imaging test) to look for abnormalities in certain brain proteins associated with seizures.
- Trial name
- NCT00001932
- Where
- United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Metabolic Syndrome X
Mechanisms of Cerebrovascular Control
The objective of this study is to identify insulin-specific cerebral blood flow (CBF) control mechanisms, and establish cerebrovascular responsive baseline in younger (18-45 yrs) metabolic syndrome adults (MetSyn) who are at…
- Trial name
- NCT02936687
- Testing
- NOS Inhibition, ET-1 Inhibition, 3 Tesla MRI
- Where
- United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Terlipressin Adverse Reaction, Liver Transplantation
Effect of Terlipressin on Cerebral Oxygen Saturation During Liver Transplantation
in our study the investigators aim to assess the effect of terlipressin on cerebral oxygenation monitored by cerebral oxymetry and cerebral blood flow measured by transcranial doppler.
- Trial name
- NCT03395574
- Testing
- Terlipressin, Normal saline
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Kasr El Aini Hospital
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)
Neurodegeneration
Effects of Flavonoids on Cognitive Performance in Healthy Young Adults
The purpose of this study is to investigate changes in cerebral blood flow, blood flavonoid levels, brain-derived neurotrophic factor, vascular reactivity and cognitive performance in young adults as a result of acute…
- Trial name
- NCT01312597
- Testing
- Fruit juice beverage
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Reading
Posterior Ischemic Stroke, Cerebral Infarction
Derivation and External Validation of the "FORECAST-PC" Prediction Scores
This study aims to develop and externally validate machine learning prediction models (FORECAST-PC) to determine 90-day functional outcomes for patients suffering from acute ischemic stroke in the posterior circulation who are…
- Conditions
- Posterior Ischemic Stroke, Cerebral Infarction, Cerebrovascular Disorders
- Trial name
- FORECAST-PC (NCT07750015)
- Testing
- FORECAST-PC Prediction Models
- Where
- Switzerland
- Volunteers
- 732 people
- Sponsor
- Dr. med. Alexander Salerno, MD-PhD
Concussion
Vascular Assessment of Regulation Index Arrays Registry
The objective of this patient registry is to collect and analyze physiological data associated with baseline and brain injury identified in standard clinical practice (Normal Values, Recovery Curves, Correlation between Symptoms…
- Trial name
- VARIA (NCT02435082)
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- NeuroChaos Solutions, Inc.
Cerebral Blood Flow
The Time Effects of a Berry Extract Upon Cerebral Blood Flow.
Berry fruits are widely recognised as natural functional food products. They contain several different phytochemicals which have potential to modulate human health and wellbeing.
- Trial name
- NCT01540123
- Testing
- Berry drink, Control
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Northumbria University
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
Major Depressive Disorder
Multimodal MRI Characteristics of Psychotherapy Response in Late Life Depression
The specific focus of this study is to gather data regarding the effects of a psychological therapy known as Problem Solving Therapy (PST) on cerebral blood flow (CBF), cortical gray matter (GM) atrophy, subcortical white matter…
- Trial name
- PRS (NCT02440815)
- Testing
- Problem Solving Therapy
- Where
- United States
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Type 1 Diabetes Mellitus, Hypoglycemia Unawareness
The Effect of Hypoglycaemia on Brain Lactate Accumulation and Cerebral Blood Flow
Iatrogenic hypoglycemia is the most frequent acute complication of insulin therapy in people with type 1 diabetes (T1DM). Recurrent hypoglycemic events initiate a process of habituation, characterized by suppression of…
- Trial name
- NCT02146404
- Testing
- hypoglycemia, euglycemia
- Where
- Netherlands
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Ruptured Aneurysm of Intracranial Artery
DIVERT: Diversion of Flow in Intracranial VErtebral and Blood Blister-like Ruptured Aneurysms Trial: A Randomized Trial Comparing Pipeline Flow Diversion and Best-Standard-Treatment
The purpose of the DIVERT study is to provide a prudent, controlled clinical context for the use of flow diversion, a promising option of yet unproven benefit, in the care of patients with acute blood blister-like and dissecting…
- Trial name
- DIVERT (NCT01976026)
- Testing
- Flow Diversion, Best Standard Therapy
- Where
- Canada
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Aging Well
Effects of Acute Exercise Intensity on Cerebral Blood Flow and Cognitive Function in Older Adults
This study will analyze the influence of acute bout exercise intensities (continuous moderate and HIIT) on middle cerebral artery velocity (MCAv) to identify which intensity elicits the greatest increase in CBF in older adults…
- Trial name
- NCT05131217
- Testing
- Acute bout of Continuous Moderate Intensity Exercise, Acute bout of High Intensity Interval Training, Control
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Cerebral Blood Flow
Prone Positioning for Brain-injured Patients With Severe ARDS (ProBrain)
Prone position (PP) is a key component to treat hypoxemia in patients with severe acute respiratory distress syndrome (ARDS). However, most studies evaluating PP effects in patients with ARDS exclude those with brain-injuries…
- Trial name
- ProBrain (NCT05050838)
- Testing
- Transcranial Doppler (TCD)
- Where
- France
- Volunteers
- 11 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Anesthesia; Reaction, Anesthesia
Individual Cerebral Hemodynamic Oxygenation Relationships - ICHOR 4
The goal of this clinical trial is to understand whether there are differences in the cerebral blood flow, and oxygen metabolism affected by two types of anesthesia: Propofol or Dexmedetomidine.
- Trial name
- ICHOR (NCT07103616)
- Testing
- Randomization of Propofol or Dexmedetomidine
- Where
- United States
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Los Angeles
Acute Ischemic Stroke, Large Vessel Occlusion
Tenecteplase vs Medical Management in 4.5-24h LVO no Access to EVT
The goal of this clinical trial is to learn if tenectplase works to acute ischemic stroke (AIS) with onset 4.5-9 hours. It will also learn about the safety of tenectplase in AIS with onset 4.5-9 hours.
- Conditions
- Acute Ischemic Stroke, Large Vessel Occlusion, Tenecteplase, Thrombolysis
- Trial name
- TNK LATE (NCT07168278)
- Testing
- TNK, Standard medical treatment
- Where
- China
- Volunteers
- 794 people
- Sponsor
- The First Affiliated Hospital of University of Science and Technology of China
Migraine
Influence of Ubrogepant and Sumatriptan on the Dermal Blood Flow Response to Histamine, Cinnamaldehyde and Capsaicin
The involvement of calcitonin gene-related peptide (CGRP) in the cinnamaldehyde-induced dermal blood flow increase and in the mechanism of action of triptans will be investigated.
- Trial name
- NCT05654298
- Testing
- Sumatriptan, Ubrogepant
- Where
- Belgium
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Stroke
Safety Study of External Counterpulsation as a Treatment for Acute Ischemic Stroke
The purpose of this study is to determine if external counterpulsation (ECP) is feasible to perform, tolerable, and safe as a treatment for patients with acute ischemic stroke (i.e., a blockage of one of the arteries supplying a…
- Trial name
- CUFFS (NCT00983749)
- Testing
- Full-pressure ECP
- Where
- 3 sites in United States
- Volunteers
- 23 people
- Sponsor
- University of California, San Diego
Basilar Artery Occlusion
Contact Aspiration Versus Stent Retriever for Recanalisation of Acute Stroke Patients With Basilar Artery Occlusion: The Posterior Circulation ASTER Randomized Trial Protocol
Acute ischemic stroke (AIS) patients with basilar artery occlusion (BAO) present a devastating, life-threatening prognosis. Urgent recanalization with endovascular mechanical thrombectomy is routinely performed in patients with…
- Trial name
- pc-ASTER (NCT05320263)
- Testing
- Contact aspiration Thrombectomy, Stent retriever thrombectomy
- Where
- 12 sites in France
- Volunteers
- 480 people
- Sponsor
- Hopital Foch
Cognitive Change
Transcranial Near-Infrared Light in Healthy Subjects: a Cerebral Blood Flow Study With Diffuse Correlation Spectroscopy
Transcranial Light Therapy involves non-invasive and invisible beams of light that increase energy metabolism in the brain. Transcranial light therapy has been found to promote brain metabolism.
- Trial name
- NIR-Flow (NCT03740152)
- Testing
- Transcranial Light Therapy
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital