Clinical trials: Cerebral Hemodynamics
Metabolic Syndrome, Coronary Artery Disease
Brain, Cardiac Hemodynamics and Cognition During Exercise in Subjects With Various Cardiovascular Profiles
People with cardiovascular risk (CV) factors (obesity, diabetes, etc...) or established heart disease (such as coronary heart disease or chronic heart failure) often have cognitive dysfunction as compared to people without CV…
- Conditions
- Metabolic Syndrome, Coronary Artery Disease, Heart Failure
- Trial name
- COGNEX (NCT03018561)
- Testing
- Exercise and Cognitive testing
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Montreal Heart Institute
Major Depressive Disorder
The Effect of Intradermal Acupuncture on Gallbladder Meridian Points on Cerebral Hemodynamics in Relevant Brain Regions for Major Depressive Disorder Based on fNIRS Technology
Gallbladder meridian(GB) acupoints may play an important role in the treatment of major depressive disorder (MDD). Therefore, this study is designed to focus on the traditional Chinese medicine (TCM) theory of " gallbladder…
- Trial name
- NCT05707299
- Testing
- Intradermal acupuncture
- Where
- China
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- The Third Affiliated hospital of Zhejiang Chinese Medical University
Multiple Sclerosis
Transcranial Electrical Stimulation in Multiple Sclerosis
First the investigators will examine if the blood flow in the brain is different in patients with Multiple Sclerosis compared to healthy volunteers. HOW? The blood flow of the subjects is imaged by use of a special MRI-technique.
- Trial name
- TEMS (NCT06966128)
- Testing
- transcranial Direct Current Stimulation
- Where
- 2 sites in Belgium
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Universitair Ziekenhuis Brussel
Hypovolemia, Fluid Loss
Acetated Ringer´s Solution in Experimental Hypovolemia
Intravenous fluids are often given to increase stroke volume and thereby improve global oxygen delivery. The effect is however often transient, but the effect of a fluid bolus on stroke volume and other hemodynamic variables over…
- Conditions
- Hypovolemia, Fluid Loss, Hemodynamic Instability
- Trial name
- Volu-Flow (NCT05705115)
- Testing
- Ringer acetate, Lower body negative pressure
- Where
- Norway
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Oslo University Hospital
Healthy Volunteers, Headache, Migraine, Hemodynamics, VIP, SPECT, Ultrasound
Experimental Headache Induced by Vasoactive Intestinal Polypeptide
We hypothesized that infusion of VIP may induce headache in healthy subjects and that VIP induced headache may be associated with dilatation of intra- and extracerebral blood vessels.
- Trial name
- NCT00255320
- Testing
- VIP
- Where
- Denmark
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Danish Headache Center
Stroke, Healthy
Cerebral Hemodynamics During Early Verticalization After (Successful) Thrombectomy Poststroke
This is a proof-of-concept study with a prospective observational design, where the association between progressive levels of verticalization and cerebral blood flow velocity (Ultrasound) in subacute stroke patients and healthy…
- Trial name
- CHEST (NCT04573114)
- Testing
- Verticalization
- Where
- Switzerland
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Acute Arterial Ischemic Stroke
Optical Measurement of Cerebral Hemodynamics in Children With Acute Arterial Ischemic Stroke
Acute ischemic stroke affects roughly 1 in 50,000 children every year and is one of the top ten causes of death in children. Currently, caregivers lay the affected child flat in hopes of increasing blood flow to the brain and…
- Trial name
- NCT01786785
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Philadelphia
Hypoxia, Altitude, Brain
The Cerebral Hemodynamic and Cognitive Effects of Acute Resveratrol Administration in Young, Healthy Adults at Stimulated Altitude.
Background: Vaso-active polyphenols have been proposed to enhance cognitive performance. Oral administration with the non-flavonoid polyphenol, resveratrol, has been found to modulate cerebral blood flow (CBF); yet, this has not…
- Trial name
- NCT03541993
- Testing
- Resveratrol
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Hemodynamic Monitoring, Orthopedic Procedures
Hemodynamic and Cerebral Effects Evaluation in Anesthesia
Recently, there has been an increase in the popularity of minimally invasive surgical techniques, including arthroscopic surgeries for shoulder procedures.
- Trial name
- NCT05445037
- Testing
- hemodynamic continuous monitoring, Standard Monitoring
- Where
- Brazil
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Instituto de Assistencia Medica ao Servidor Publico Estadual, Sao Paulo
Pituitary Tumor
Comparative Low and High Dose of Dexmedethomidine in Pituitary Tumor Removal by Transphenoid Approach
Transnasal transsphenoidal (TNTS) resection of pituitary tumors involves wide fluctuation in hemodynamic parameter and causes hypertension and tachycardia due to intense noxious stimuli during various stages of surgery.
- Trial name
- NCT03132259
- Testing
- high dose dexmedethomidine, low dose dexmedethomidine
- Where
- Thailand
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Mahidol University
COPD - Chronic Obstructive Pulmonary Disease, Healty Controls
Hemodynamic Responses and Brain Activity During Dual Tasks in COPD Patients Versus Healthy Individuals
Abstract Cognitive dysfunction is joint in patients with chronic obstructive pulmonary disease (COPD). In particular, there are effects in tasks that require attention, executive functions, and working memory related to the…
- Trial name
- NCT06974448
- Where
- Turkey (Türkiye)
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Headache
The Effect of Intravenous L-kynurenine (LKYN) on Cerebral Hemodynamics in Healthy Volunteers
To measure the cerebral hemodynamic effect of L-kynurenine.
- Trial name
- NCT03212430
- Testing
- L-kynurenine
- Where
- Denmark
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Danish Headache Center
Embolic Stroke of Undetermined Source, Ischemic Stroke
Biomarkers, Hemodynamic and Echocardiographic Predictors of Ischemic Strokes and Their Influence on the Course and Prognosis
A stroke is the second cause of deaths after heart attack, one of the most important causes of malfunction as far as adults are concerned and the second as for the frequency cause of dementia.
- Conditions
- Embolic Stroke of Undetermined Source, Ischemic Stroke, Atrial Fibrillation and Flutter, Myocardial Infarction
- Trial name
- NCT03377465
- Testing
- ADMA (asymmetric dimethylarginine) , NTproBNP (N-terminal pro b-type natriuretic peptide), IL-6 (Interleukin 6), Adiponectina, Leptine, Syndecan, Resistin
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Medical University of Lodz
Premature Birth
Cerebral Blood Flow Parameters and Neurobehavioral Development in Infants at Term Age
Although several studies have contrasted the hemodynamics of cerebral arteries using cranial Doppler ultrasound between full-term and preterm infants, the assessments were mostly conducted in the first days of life.
- Trial name
- NCT00676247
- Where
- Taiwan
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Healthy
Study to Assess the Effects of Daily Administration of Pioglitazone on Brain Hemodynamics in Healthy Elderly Participants
The purpose of this study is to assess the effects of pioglitazone, once daily (QD), on brain hemodynamics in healthy elderly participants.
- Trial name
- NCT01456117
- Testing
- Pioglitazone
- Where
- United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Takeda
Orofacial Pain, Tension-Type Headache
Photobiomodulation Dosimetry s in Patients With Orofacial Pain
This project aims to validate a dosimetry model for photobiomodulation treatment in patients with orofacial pain and tension-type headache symptoms. The study will involve 240 participants divided into four age groups.
- Trial name
- NCT06065969
- Testing
- Photobiomodulation
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- University of Nove de Julho
Hypotension (MeSH: D007022)
Carotid Artery Blood Flow, Blood Pressure, and Cardiac Output During Anesthesia in Children Aged 0-5 Years
Blood pressure is routinely monitored during anesthesia in children, but blood pressure alone may not accurately reflect blood flow to vital organs.
- Trial name
- CARFLOW (NCT07847203)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Hypovolemia, Hyperoxia
Supplemental Oxygen in Hypovolemia
Supplemental oxygen is frequently administered in acutely and critically ill patients, specifically, it is often administered in trauma patients to avoid arterial hypoxemia and tissue hypoxia.
- Trial name
- NCT05150418
- Testing
- Oxygen gas, Air
- Where
- Norway
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Oslo University Hospital
Moyamoya Disease, Moyamoya
Imaging in Moyamoya Disease - Study to Investigate Different Imaging Technologies for a Better Understanding of Various Imaging Techniques to Evaluate Cerebral Hemodynamics, Disease-activity and Possibly the Etiology in Moyamoya Patients
Aim of this study is to improve patient care in Moyamoya Patients by improving Imaging technologies and aiming to identify factors involved in disease progression.
- Trial name
- IMAGINE (NCT06330818)
- Testing
- MRI, H2 15O PET/CT, Biosampling
- Where
- Germany
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Hypertension, Pregnancy
Comparison Fetal Hemodynamic Measurements Antihypertensive Versus Control
This is a prospective case-control study to evaluate women who are pregnant and take antihypertensive medication for fetal hemodynamics (middle cerebral artery peak systolic flow and umbilical artery Doppler systolic to diastolic…
- Trial name
- NCT00759278
- Testing
- ultrasound evaluation in pregnancy
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- State University of New York - Upstate Medical University