Clinical trials: Cerebrovascular Circulation
Ischemic Stroke
Total Posterior-circulation Infarct Volume in Basilar Artery Stroke
Preprocedural predictors of outcome in patients with acute basilar artery occlusion (ABAO) who underwent endovascular treatment (EVT) remain controversial.
- Trial name
- TPCIV-ABAO (NCT04650022)
- Testing
- Mechanical thrombectomy
- Where
- France
- Volunteers
- 110 people
- Sponsor
- University Hospital, Montpellier
Acute Ischemic Stroke Related to Tandem Occlusion, Acute Ischemic Stroke Due to Isolated Cervical Artery Occlusion
Risk Factors and Outcomes of Ischemic Stroke Associated With Tandem or Isolated Cervical Artery Occlusion in Anterior and Posterior Circulation
CERES-TANDEM is a multicenter study designed to improve the understanding of "tandem" ischemic stroke -those caused by two blockages in series, one in a neck artery and one in a brain artery-.
- Trial name
- CERES-TANDEM (NCT06965036)
- Where
- 3 sites in United States, Italy and 1 more
- Volunteers
- 2,880 people
- Sponsor
- Azienda Unità Sanitaria Locale della Romagna
Healthy Lifestyle, Physical Exercise
Lifestyle and Brain Vascular Function
Cognitive performance is negatively related to an impaired glucose metabolism, possibly due to impairments in brain vascular function.
- Conditions
- Healthy Lifestyle, Physical Exercise, Healthy Diet, Cerebrovascular Circulation
- Trial name
- NCT04234009
- Testing
- Healthy Lifestyle
- Where
- Netherlands
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Type 1 Diabetes, Hypoglycemia Unawareness
Naltrexone and Hypoglycemia in Type 1 Diabetes
Low blood sugar is also called hypoglycemia. Usually, it is mild and can be treated quickly and easily by eating or drinking a small amount of a sugar-rich food.
- Trial name
- Naltrexone (NCT01053078)
- Testing
- Naltrexone
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Cardiac Arrest, Cerebral Lesion
Early Transcranial Doppler Goal Directed Therapy After Cardiac Arrest: a Pilot Study
Hypoxic-ischaemic brain injury (HIBI) is the main cause of death in patients who are comatose after resuscitation from cardiac arrest.
- Conditions
- Cardiac Arrest, Cerebral Lesion, Ischemic Encephalopathy, Ischemic Reperfusion Injury
- Trial name
- GOODYEAR (NCT04000334)
- Testing
- MAP increased to optimize cerebral blood flow, MAP between 65 and 85 mmHg
- Where
- France
- Volunteers
- 20 people
- Sponsor
- Centre Hospitalier le Mans
Pulmonary Hypertension
Noninvasive Determination of Cerebral Tissue Oxygenation in Pulmonary Hypertension
To study the effect of acute pulmonary vasodilatation on cerebral tissue oxygenation (CTO) and cerebral blood flow (CBF) as indicator for cerebrovascular autoregulation in comparison to the effects of supplemental oxygen…
- Trial name
- NCT01463514
- Testing
- Right heart catheterization, Near-infrared spectroscopy
- Where
- Switzerland
- Volunteers
- 20 people
- Sponsor
- University of Zurich
Cerebral Blood Flow
Cerebral Blood Flow Velocity Changes During Laparoscopic Surgery
Little is known about how implementation of pneumoperitoneum contributes to cerebral blood flow in pediatrics. We investigated this question in patients undergoing laparoscopic surgery, hypothesizing that cardiorespiratory…
- Trial name
- NCT04291326
- Testing
- Transfontanelle ultrasound
- Where
- South Korea
- Volunteers
- 30 people
- Sponsor
- Seoul National University Hospital
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
Traumatic Brain Injury
Ketogenic Diet & Functional Recovery in Moderate to Severe Traumatic Brain Injury
Traumatic Brain Injury (TBI) represents a significant public health risk in the United States leaving many survivors with significant long term cognitive deficits and at risk for neurodegenerative diseases.
- Trial name
- NCT04530032
- Testing
- ketogenic/modified Atkins diet, Standard diet
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Loma Linda University
Ischemic Stroke
Bridging Thrombolysis Versus Direct Mechanical Thrombectomy in Acute Ischemic Stroke
Intravenous thrombolysis with recombinant tissue-type plasminogen activator (IV t-PA) has been the only proven therapy for acute ischemic stroke (AIS) for almost 20 years.
- Trial name
- SWIFT DIRECT (NCT03192332)
- Testing
- Stent-retriever thrombectomy with revascularization device of the Solitaire™ type, Intravenous thrombolysis with recombinant tissue-type plasminogen activator (IV t-PA)
- Where
- 48 sites in Austria, Canada and 6 more
- Volunteers
- 410 people
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Stroke, Cerebrovascular Disorders
Endovascular Treatment Beyond 24 Hours for Acute Ischemic Stroke Caused by Anterior Circulation Large Vessel Stenosis
Endovascular therapy (EVT) is currently recommended as the first-line treatment for patients with acute large vessel occlusion (LVO) in the anterior circulation within 24 hours of symptom onset.
- Conditions
- Stroke, Cerebrovascular Disorders, Brain Diseases, Nervous System Diseases
- Trial name
- EVT-BELATED (NCT06959199)
- Testing
- Endovascular Treatment, Best Medical Treatment
- Where
- China
- Volunteers
- 432 people
- Sponsor
- The Second Hospital of Anhui Medical University
Prediabetes, Brain Insulin Sensitivity
Long-term Effects of Avocado Consumption on Health in Pre-diabetic Individuals
Primary aim of the study is to assess the effect of 12-week daily avocado consumption on cerebral blood flow and markers of cardio- and vascular health in both, the periphery and the brain, in pre-diabetic individuals with…
- Conditions
- Prediabetes, Brain Insulin Sensitivity, Cerebral Blood Flow, Satiety and Food Intake
- Trial name
- NCT07752225
- Testing
- Avocados
- Where
- Netherlands
- Volunteers
- 34 people
- Sponsor
- Maastricht University Medical Center
Cerebral Desaturation, Cerebral Ischemia
Assessment of Cerebral Blood Flow Asymmetry in Cardiac Surgery Patients Undergoing Hypothermic Circulatory Arrest
Cerebral oxygen desaturation during cardiac surgery measured using near infrared spectroscopy (NIRS) derived cerebral oximetry has been associated with significant postoperative morbidity.
- Trial name
- COASTLINE (NCT03215589)
- Where
- Canada
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Hyperoxemia, Cerebrovascular Circulation
HYPER MIND - Hyperoxia Effects on Cerebral Hemodynamics
This study aims to better understand how short periods of exposure to high oxygen levels affect blood flow in the brain of patients who are intubated and mechanically ventilated in the Intensive Care Unit (ICU).
- Conditions
- Hyperoxemia, Cerebrovascular Circulation, Cerebral Autoregulation, Critical Illness
- Trial name
- HYPER-MIND (NCT07377162)
- Testing
- Normobaric Hyperoxic Stimulus (NBHO)
- Where
- Belgium
- Volunteers
- 80 people
- Sponsor
- Erasme University Hospital
Medical Device Complication, Brain Injuries
Transcranial Doppler Using Wearable Ultrasound Patch
The main objective of this research is to measure the Doppler signal by the ultrasonic patch. Blood flow measurement is critical for vasospasm, stroke, and embolism monitoring on patients in the ICU or understanding the…
- Conditions
- Medical Device Complication, Brain Injuries, Brain Diseases, Stroke
- Trial name
- TCD (NCT06073145)
- Testing
- conventional transcranial Doppler probe and wearable ultrasound patch.
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Acute Ischemic Stroke
Pro-urokinase for Extended-Window Posterior Circulation Stroke
This study aims to evaluate whether, in patients with imaging-confirmed acute ischemic stroke of the posterior circulation presenting within 4.5-24 hours after symptom onset and not scheduled for endovascular thrombectomy…
- Trial name
- PROMISE (NCT07617870)
- Testing
- rhPro-UK, Aspirin
- Where
- China
- Volunteers
- 586 people
- Sponsor
- The First Affiliated Hospital of Zhengzhou University
Lacunar Stroke
The Relationship Between Controlling Risk Factors and Cerebral Haemodynamics in Lacunar Stroke
The goal of this observational study is to look at differences in brain blood flow before and after management of risk factors such as high blood pressure and diabetes in patients with lacunar stroke.
- Trial name
- LACUNAR_CA (NCT06354881)
- Testing
- Transcranial Doppler Ultrasonography (TCD) during sit-stand manoeuvres
- Where
- United Kingdom
- Volunteers
- 75 people
- Sponsor
- University of Leicester
Cerebral Blood Flow
Validation of UK Protocols to Exclude Brain Blood Flow During Normothermic Regional Perfusion (NRP)
This study aims to evaluate both Abdominal Normothermic Regional Perfusion (A-NRP) and Thoracoabdominal-NRP (TA-NRP) techniques, proving that brain blood flow is not resumed during NRP.
- Trial name
- NCT05775263
- Testing
- CT angiogram
- Volunteers
- 10 people
- Sponsor
- Papworth Hospital NHS Foundation Trust
Stroke
Blood Flow Regulation and Neuromuscular Function Post-Stroke
The muscles of stroke survivors can fatigue faster compared to muscles in people who have not had a stroke, which can limit how long a person with stroke can perform tasks such as walking.
- Trial name
- NCT06027294
- Testing
- Ischemic Conditioning
- Where
- 2 sites in United States
- Volunteers
- 40 people
- Sponsor
- Medical College of Wisconsin
Spinal Cord Injury, Blood Pressure
Treating Cognitive Deficits in Spinal Cord Injury
Multiple studies in the spinal cord injury (SCI) population have documented deficits in learning and memory (LM) and processing speed (PS) that adversely impact daily life and the ability to benefit from rehabilitation.
- Conditions
- Spinal Cord Injury, Blood Pressure, Cerebral Blood Flow, Cognitive Function
- Trial name
- NCT03037879
- Testing
- SPT, SPT Control, mSMT
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- James J. Peters Veterans Affairs Medical Center