Clinical trials: Hypoxia, Brain
Hypoxic Ischemic Encephalopathy
Clinical Utility of Serum Biomarkers for the Management of Neonatal Hypoxic Ischemic Encephalopathy (Control Levels)
Hypoxic-ischemic encephalopathy (HIE) is a serious birth complication due to systemic asphyxia which occurs in about 20 of 1,000 full-term infants and nearly 60% of premature newborns.
- Trial name
- NCT02349672
- Testing
- blood sample
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Florida
Neonatal Encephalopathy, Hypoxic-Ischemic Encephalopathy
Neonatal Neurological Observation With Video AI
NeoNOVA is a multi-site, prospective, single-arm, silent observational study to determine: among (Population) infants admitted to newborn services during their inpatient hospital stay, whether (Intervention) continuous bedside…
- Conditions
- Neonatal Encephalopathy, Hypoxic-Ischemic Encephalopathy, Sedation, Sleep
- Trial name
- NeoNOVA (NCT07628829)
- Testing
- Continuous bedside video monitoring with AI anatomic landmark tracking for neurologic monitoring
- Where
- 2 sites in United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Artemis AI Labs
Perinatal Hypoxia, Dopamine
Measuring Brain Activity of School Age Children
This observational study will investigate whether differences in birth events and oxygen levels during the newborn period affects the brain activity of children during the middle childhood years.
- Conditions
- Perinatal Hypoxia, Dopamine, Neurobehavioral Manifestations
- Trial name
- NCT03407729
- Testing
- Magnetic Resonance Imaging, Cognitive Performance Testing
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Case Western Reserve University
Hypoxia, Hypercapnia
Impact of NOS, COX, and ROS Inhibition on Cerebral Blood Flow Regulation
Elucidating cerebrovascular control mechanisms during physiologic stress may help identify novel therapeutic targets aimed at preventing or reducing the impact of cerebrovascular disease.
- Trial name
- NCT03066115
- Testing
- L-NMMA, Ketorolac, Ascorbic Acid
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Obstructive Sleep Apnea, Hypertension
Effect of Selective and Nonselective Cyclooxygenase Enzyme Inhibition on Arterial Blood Pressure and Cerebral Blood Flow With Exposure to Intermittent Hypoxia in Humans
The study has been designed to assess the effect of cyclooxygenase inhibition on blood pressure, cerebral blood flow, ventilation and renal hemodynamics following chronic intermittent hypoxia exposure.
- Conditions
- Obstructive Sleep Apnea, Hypertension, Cardiovascular Diseases, Stroke
- Trial name
- NCT01280006
- Testing
- Intermittent hypoxia, Indomethacin, Celecoxib
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Multiple System Atrophy
High-Altitude Neurodegeneration Cohort (HANC) Study
Chronic physiological hypoxia has been implicated in the pathogenesis of multiple system atrophy (MSA), a fatal neurodegenerative disorder of unknown etiology.
- Trial name
- HANC (NCT07657520)
- Testing
- No Intervention: Observational Cohort
- Where
- China
- Volunteers
- healthy volunteers welcome
- Sponsor
- West China Hospital
Hypoxic-Ischemic Encephalopathy
A Study of a Blood Marker in Newborns With Brain Injury Caused by Lack of Oxygen at Birth
Perinatal asphyxia is a significant health problem with an incidence of 1 to 8 per 1,000 live births and can lead to serious morbidity and mortality during the neonatal period.
- Trial name
- NCT07292220
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mustafa Gürkan
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
Oxygen Deficiency
Creatine and GAA for Brain Oxygenation
The main aim of this randomized controlled trial is to evaluate cerebral blood oxygenation after 7-day administration of a creatine-guanidinoacetic acid (GAA) mixture in healthy adults before, during, and after a series of…
- Trial name
- CREGAA-OXY (NCT06371651)
- Testing
- Supplement
- Where
- Serbia
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Novi Sad, Faculty of Sport and Physical Education
Acute Kidney Injury, Heart Valve Diseases
Correlation of Brain and Thenar Muscle Oximetry During Cardiac Surgery With Parameters of Acute Kidney Injury
Identification of risk factors of acute kidney injury (AKI). It is hypothesized that there might be a correlation between brain oximetry, tissue saturation of thenar muscle and marker of AKI in blood - neutrophil…
- Trial name
- NCT02979275
- Testing
- Open heart surgery on cardiopulmonary bypass.
- Where
- Poland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Medical University of Gdansk
Hypoxic-Ischemic Encephalopathy
School-aged Outcomes Post Hypoxic Ischaemic Encephalopathy
Neonatal HIE increases the risk for cognitive impairments in childhood. Neonatal MRI brain scans are a strong predictor for outcome, however a normal scan has only a 35% sensitivity and 85% specificity for a normal outcome.
- Trial name
- SOPHIE (NCT07770035)
- Where
- Ireland
- Volunteers
- 196 people, healthy volunteers welcome
- Sponsor
- University College Cork
Hypoxia
Optical Brain Pulse Monitor: Validation Of Cerebral Oximetry Monitoring (OBPM:VOCOM) Study.
The purpose of this study is to calibrate and validate a cerebral oximeter product from Cyban Pty. Ltd. The study will involve comparing cerebral oximeter signals against reference arterial and jugular bulb blood gas measures.
- Trial name
- OBPM:VOCOM (NCT06657820)
- Testing
- Hypoxia in healthy individuals, Cerebral Oximetry, Blood Gas Sampling
- Volunteers
- healthy volunteers welcome
- Sponsor
- Elliot Teo
Healthy Brain Perfusion
Improving Human Cerebrovascular Function Using Acute Intermittent Hypoxia
This study uses magnetic resonance imaging to determine whether 3 weeks of repeated exposure to Acute Intermittent Hypoxia can improve brain blood flow or blood flow regulation in healthy adults.
- Trial name
- NCT05164705
- Testing
- Acute Intermittent Hypoxia
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Cerebral Hypoxia, Carotid Stenosis
The Effect of Hypoxic and Normoxic Cerebral Oximetry Levels on Cognitive Functions After Carotid Endarterectomy
In this study, we investigated the effect of the capacity to cope with oxidative stress (oxidative stress response during and after clamping) in individuals with cerebral oximetry level between 40- 60 % and above 60 % and their…
- Conditions
- Cerebral Hypoxia, Carotid Stenosis, Cognitive Dysfunction
- Trial name
- NCT05652426
- Where
- Turkey (Türkiye)
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Duzce University
Healthy
Validation of Brain Oxygenation Monitor
A cerebral oximeter is a device that uses light to measure the amount of oxygen within the brain. It is similar to the device that measures the level of oxygen in the tip of the finger, known as a pulse oximeter.
- Trial name
- NCT00815490
- Testing
- Desaturation
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Duke University
Baro-reflex Sensitivity, Heart Rate Variability
Low Intensity Exercise in Different Normobaric/Hypobaric Normoxic/Hypoxic Conditions.
The main goal of this project is to investigate how low intensity cycling exercise (1.5W/kg, for 6 minutes) influences cerebral functions, such as: Cerebral blood flow, oxygenation, and other physiological variables in different…
- Conditions
- Baro-reflex Sensitivity, Heart Rate Variability, EEG, Microstates, Cerebral Blood Flow Regulation
- Trial name
- Hypoxia (NCT03439202)
- Testing
- Hypoxia
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fliegerärztliches Institut
Severe Traumatic Brain Injury, Subarachnoid Hemorrhage
Cortical Excitability in Patients With Severe Brain Injury
The aim of the study is to evaluate the cortical excitability in the severe brain injured patients. We hypothesize that: 1. There is a continuous decrease in intracortical inhibition from healthy subjects to awake patients with…
- Conditions
- Severe Traumatic Brain Injury, Subarachnoid Hemorrhage, Anoxic Brain Injury
- Trial name
- NCT00788723
- Testing
- Transcranial Magnetic Stimulation
- Where
- Denmark
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Healthy
Nonin 4 Wavelength Cerebral Oximeter Study
A cerebral oximeter is a device that uses light to measure the amount of oxygen within the brain. It is similar to the device that measures the level of oxygen in the tip of the finger, known as a pulse oximeter.
- Trial name
- Nonin4 (NCT01762722)
- Testing
- Reduction of inspired oxygen
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Duke University
Hypoxia, Hypoxia Brain
Study of the Effects of Acute Exposure to Moderate Altitude Hypoxia on Prospective Memory.
The goal of this study is to investigate whether prospective memory, i.e., memory for delayed intentions, is impaired at moderate altitude (4,000m).
- Conditions
- Hypoxia, Hypoxia Brain, Hypoxia Altitude Simulation Test, Hypoxia in Healthy Individuals
- Trial name
- HYPRO (NCT07585227)
- Testing
- Hypoxia exposure, Oxygen administration, Air administration
- Where
- France
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Direction Centrale du Service de Santé des Armées
Neurological Outcome, Cardiac Arrest
Out-of-hospital Cardiac Arrest (OHCA) Biomarkers
Few early prognostic indicators are currently available for patients' families and clinicians following out of hospital cardiac arrest (OHCA), and blood biomarkers may be of prognostic value in these cases.
- Conditions
- Neurological Outcome, Cardiac Arrest, Out-Of-Hospital Cardiac Arrest, Brain Anoxia Ischemia
- Trial name
- NCT03112486
- Testing
- blood draw
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Florida