Clinical trials: Hypoxia Brain
Hypoxia, Brain, Hyperoxia
The Effect of Respiratory Challenge on the BOLD Signal
The purpose of this research study is to better understand how blood flow and metabolism are different between normal controls and patients with disease.
- Conditions
- Hypoxia, Brain, Hyperoxia, Hypercapnia, Hypocapnia
- Trial name
- NCT04258774
- Testing
- Carbon Dioxide
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Diabetes Mellitus, Type 2, Oxygen Deficiency
Oxygenation Changes After 2-month Exercise in Sedentary Older Adults With Diabetes
The aim of the study is to determine the physiological evidence of how muscular and cerebral oxygenation changes link to fatigue, physical, and cognitive performance after moderate-intensity exercise in sedentary older adults…
- Trial name
- NCT04626453
- Testing
- 2-month home moderate-intensity exercise
- Where
- United States
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- State University of New York at Buffalo
Major Gynecological Cancer Surgery, Low Flow Anesthesia
The Relationship Between Body Mass Index and Patient Outcomes in Low Flow Anaesthesia
This study was designed as a prospective observational study.
- Trial name
- NCT06636448
- Testing
- the effect of body mass index during low-flow anesthesia
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Bakirkoy Dr. Sadi Konuk Research and Training Hospital
Normoxia, Intermittent Moderate Hypoxia
Brain Connectivity and Corticospinal Excitability in Response to Moderate Hypoxia
Hypoxia, defined as a reduction in the availability of oxygen, induces significant physiological adaptations. While the deleterious effects of severe and chronic hypoxia are well documented, several studies indicate that moderate…
- Conditions
- Normoxia, Intermittent Moderate Hypoxia, Continuous Moderate Hypoxia
- Trial name
- NEUROXIE (NCT07516028)
- Testing
- Moderate hypoxia, Normoxia, Transcranial Magnetic Stimulation
- Where
- France
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Universite du Littoral Cote d'Opale
Hypoxic Ischaemic Encephalopathy (HIE), Asphyxia
BiHiVE2 Study. The Investigation and Validation of Predictive Biomarkers in Hypoxic-ischaemic Encephalopathy.
Despite recent advances in the care of mothers and newborn infants, many infants (approximately 20 per 1000 live births) continue to need resuscitation at birth.
- Trial name
- BiHiVE2 (NCT02019147)
- Where
- 2 sites in Ireland, Sweden
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- University College Cork
Cognitive Ability, General, Brain Health
Investigating the Combined Effects of Intermittent Hypoxia and Exercise on Cognitive and Cerebral Function in Middle-Aged Adults
This study investigates whether intermittent hypoxia (IH) and physical activity (PA), either alone or in combination (simultaneously or sequentially), can improve cognitive function and brain health in middle-aged adults (50-65…
- Conditions
- Cognitive Ability, General, Brain Health, Cerebral Oxygenation
- Trial name
- HYPOX-AGE (NCT06874387)
- Testing
- Hypoxia, intermittent, physical exercise
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- Ayoub Boulares
Hypoxemia
Effects of Acute Intermittent Hypoxia on Brain Function Imaging and Systemic Inflammation
Effects of acute intermittent hypoxia on brain function imaging and systemic inflammation Patients with obstructive sleep apnea (OSAS) may have neurological cognitive impairment. The reason is not clear.
- Trial name
- NCT03453697
- Testing
- acute intermittent hypoxia
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
Cesarean Section, Pregnancy Related
Brain Oxygenation in Newborns Due to Neuroaksial Methods
Epidural and spinal anesthesia techniques are frequently used all over the world in elective cesarean section operations. To evaluate the effects of epidural and spinal anesthesia techniques applied in cesarean section surgery on…
- Conditions
- Cesarean Section, Pregnancy Related, Cerebral Hypoxia, Anesthesia, Regional
- Trial name
- oxygenation (NCT06316596)
- Testing
- Spinal Anesthesia, Epidural Anesthesia
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Bursa Yuksek Ihtisas Training and Research Hospital
Cognitive Impairment, Bipolar Disorder
Effects of Altitude-like Cognition Training on Neuroplasticity and Cognitive Functions
The goal of this clinical trial is to investigate the effects of a three-week altitude-like cognition training intervention in healthy individuals (substudy 1) and symptomatically stable patients with mood disorders (depression…
- Conditions
- Cognitive Impairment, Bipolar Disorder, Depression
- Trial name
- ALTIBRAIN (NCT06121206)
- Testing
- Altitude-like hypoxia (12% O2), Normoxia (20% O2), Cognitive training
- Where
- Denmark
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- Mental Health Centre Copenhagen, Bispebjerg and Frederiksberg Hospital
Preconditioning
Personalized Hypoxic-hyperoxic Preconditioning in Elderly People
This study investigates an original protocol of personalized hypoxic-hyperoxic preconditioning utilizing a personalized approach on the basis of cerebral tissue oxygenation assessed with near-infrared spectroscopy.
- Trial name
- NCT07018895
- Testing
- FiO2 reduced by 20% alternating with 34% FiO2
- Where
- Russia
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Tomsk National Research Medical Center of the Russian Academy of Sciences
Alteration of Cognitive Function, Hypoxia
Effect of Hypoxia on Cognitive Assessment and Cerebral Activity in Healthy Volunteers
The early assessment of new symptomatic drugs for Alzheimer disease remains difficult because of the lack of predictive end-point. The use of a battery including different parameters could improve this early development.
- Trial name
- Hypoxia (NCT02891343)
- Testing
- 2-hour period of hypoxia
- Where
- 2 sites in France
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University Hospital, Lille
Perinatal Hypoxia
Serum Erythropoietin Level in Perinatal Asphyxia
This study is to evaluate brain and kidney injuries in full-term neonates with perinatal asphyxia by detecting specific biomarker in blood (Erythropoietin).
- Trial name
- NCT05018364
- Testing
- Serum erythropoietin level
- Where
- Egypt
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Cairo University
Altitude Training Adaptation, Cognitive Function
Effects of Bicarbonate Spring Water Immersion on Cognitive Reliability and Post-Maximal Exercise Recovery in Adolescent Rowers During Altitude Training: A Sex-Stratified Three-Arm Randomized Controlled Trial
This randomized controlled trial aims to investigate the effects of hot spring bath therapy on cognitive function recovery, cerebral hemodynamics, and athletic performance in athletes undergoing altitude training.
- Conditions
- Altitude Training Adaptation, Cognitive Function, Cerebral Hemodynamics, Exercise Performance
- Trial name
- NCT07608913
- Testing
- Control Group：Natural Recovery, Hot water immersion group, hot spring immersion group
- Where
- China
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Macao Polytechnic University
Sepsis, Septic Shock
Central Venous Catheter Colonisation Among Critically Ill Patients in Intensive Care Units
Background: Central Venous catheter insertion technique and indwelling time are major risk factors for CVC colonisation. Colonisation occurs through microbial migration and biofilm formation along the catheter insertion tract.
- Conditions
- Sepsis, Septic Shock, Post-cardiac Surgery, Post-Cardiorespiratory Arrest Coma
- Trial name
- NCT03270774
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Makerere University
Hypoxic-Ischemic Encephalopathy, Hypoglycemia
Quantitative Assessment of Sucking for Early Diagnosis of Brain Injury in Infants at High Risk
The main goal of this study is to quantitatively assess the sucking and feeding activity of infants at high risk of neurological impairment (preterm infants and term infants at risk of abnormal neurodevelopment) during oral…
- Conditions
- Hypoxic-Ischemic Encephalopathy, Hypoglycemia, Neonatal Abstinence Syndrome
- Trial name
- NCT03246243
- Testing
- nfant feeding solution
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Boston Children's Hospital
Hypoxic-Ischemic Encephalopathy, Pain
The Effect of Maternal Scent and Knitted Octopus Application on Pain in Infants Diagnosed With Neonatal Asphyxia and Receiving Therapeutic Hypothermia Treatment
This study was designed to determine the effects of maternal scent and knitted octopus application on pain in infants born with asphyxia beyond 36 weeks' gestation and receiving Therapeutic Hypothermia (TH) treatment in the…
- Trial name
- Pain in HIE (NCT07526233)
- Testing
- scent
- Where
- Turkey (Türkiye)
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Alev Sivasli
Brain Death, Anoxic Brain Injury
Rapid Reversal of CNS-Depressant Drug Effect Prior to Brain Death Determination
Current standard of care prior to determination of brain death in subjects with suspected anoxic brain injury is to exclude complicating medical conditions that may confound clinical assessment (such as severe electrolyte, acid…
- Conditions
- Brain Death, Anoxic Brain Injury, Cardiac Arrest, Sedative Intoxication
- Trial name
- NCT03743805
- Testing
- Flumazenil, Naloxone
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Prisma Health-Midlands
Cerebral Hypoxia
The Effects of Hypobaria vs Hypoxia on Cerebral Functions.
The investigators will investigate the effect of hypobaria and hypoxia on physiological responses such as: oxygen saturation, heart rate, cerebral blood flow, cerebral oxygenation, brain's activity and concentration performance.
- Trial name
- Hypoxia (NCT03303118)
- Testing
- Hypoxia
- Where
- Switzerland
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Fliegerärztliches Institut
Hypoxia, Cerebral Hypoxia
Effect of Hypoxic Conditioning on Cerebrovascular Health in the Elderly
In line with the ever-growing aging of Western populations, the development of preventive strategies to slow down the effects of aging on cardiovascular health represents a major challenge in order to preserve functional…
- Conditions
- Hypoxia, Cerebral Hypoxia, Brain Diseases, Exercise
- Trial name
- HYPOXAGE (NCT05048680)
- Testing
- Hypoxia and/or Exercise
- Where
- France
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Stroke, Problem of Aging
Modulation of Cerebral Blood Flow Using Quercetin, a Nutritional Supplement
The purpose of this study is to find out if quercetin can increase blood levels of hypoxia-inducible transcription factor 1 (HIF-1 protein) and to see if there is a corresponding increase in blood flow to the brain.
- Trial name
- Quercetin (NCT01376011)
- Where
- United States
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital