Clinical trials: Cerebral Saturation
Brain Metastases, Brain Metastases, Adult
Developing a New MRI Technique to Understand Changes in Brain Tumors After Treatment
The purpose of this study is to develop and test a new magnetic resonance imaging (MRI) technique to see if it can be used to tell the difference between tumor growth from worsening of cancer and growth from the effects of…
- Conditions
- Brain Metastases, Brain Metastases, Adult, Metastatic Brain Tumor, Metastatic Brain Cancer
- Trial name
- NCT05559853
- Testing
- CEST-MRF
- Where
- United States
- Volunteers
- 119 people, healthy volunteers welcome
- Sponsor
- Memorial Sloan Kettering Cancer Center
Alzheimer Disease
Detecting Early Alzheimer's Using MR
Alzheimer's disease (AD) is the most common cause of dementia, affecting approximately 10% of individuals aged ≥ 65. Most available treatments aim at controlling symptoms at an early stage rather than providing a cure.
- Trial name
- DREAMER (NCT05614310)
- Testing
- Magnetic Resonance Imaging (MRI), Blood Glucose Assessment, Positron Emission Tomography (PET)
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Aberdeen
Intracranial Pressure Increase
Comparison of ONSD and rSO2 Measurements Between General and Spinal Anesthesia in C-Section
General anesthesia and regional anesthesia can be chosen in cesarean operations. Endotracheal intubation and mechanical ventilation are components of general anesthesia.
- Trial name
- NCT04446013
- Testing
- Optic Nerve Sheath Diameter Measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- Bagcilar Training and Research Hospital
Neonatal Cerebral Oxygenation, Cesarean Section
Effects of Spinal Versus General Anesthesia on Neonatal Cerebral Oxygenation During Cesarean Section
This prospective observational study evaluates and compares the effects of spinal and general anesthesia techniques used during elective cesarean section on neonatal cerebral regional oxygen saturation (crSO₂) during the early…
- Trial name
- NEO-OXY-CS (NCT07477093)
- Testing
- No intervention (observational study)
- Where
- Turkey (Türkiye)
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Akdeniz University Hospital
Obstructive Sleep Apnea
Vasoactive Hormones and Oxygen Saturation During Apneic Events in Patients With Obstructive Sleep Apnea
The mechanisms involved in development and maintenance of hypertension in obstructive sleep apnea are not clarified. We hypothesize that patients with obstructive sleep apnea have an abnormal level of some vasoactive hormones…
- Trial name
- NCT00438412
- Where
- Denmark
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Regional Hospital Holstebro
Cerebral Tumor, Stroke
Magnetic Resonance Imaging Evaluation of the Tissular Oxygen Saturation in Brain
The purpose of this study is to measure the tissular oxygen saturation in brain by magnetic resonance imaging on subjects and to correlate the results with near infrared spectroscopy measurements.
- Trial name
- GADOXY (NCT02317055)
- Testing
- imaging
- Where
- France
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Hyperextension Injury of Neck
Effects of Cervical Hyperextension on Cervical Blood Flow, Cerebral Oximetry and Cognitive Functions.
The goal of this observational study is to determine the effects of cervical hyperextension on cerebral oximetry and cognitive functions in healthy individuals without other additional factors such as anesthesia and surgical…
- Trial name
- NCT05576857
- Testing
- Doppler ultrasonography
- Where
- Turkey (Türkiye)
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Duzce University
Brain Tumor, Glioma
Metabolic Characterization of Space Occupying Lesions of the Brain
High field MR-technologies are expected to boost metabolic spectroscopic imaging (MRSI), but also CEST-MRI. This is due to the fact that increased SNR is available which can be used to increase the spatial resolution of all…
- Conditions
- Brain Tumor, Glioma, IDH Mutation
- Trial name
- FASTMRSI (NCT04233788)
- Testing
- MR-scans using a 3T Prisma and a 7T Terra scanner (Siemens, Erlangen Germany)
- Where
- Switzerland
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
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
Hypovolemia
Cerebral Oximetry in Lower Body Negative Pressure
The study aims to describe hemodynamic effects of lower body negative pressure (LBNP). 1. If and how changes in cerebral oxygen saturation (StO2) measured by near infrared spectroscopy (NIRS) relate to changes in blood flow in…
- Trial name
- NCT03009305
- Testing
- Lower body negative pressure, Continuous positive airway pressure, Positive expiratory pressure
- Where
- Norway
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Oslo University Hospital
Cerebral Hypoxia, Severe Traumatic Brain Injury
Prioritization of Cerebral Deoxygenation in Severe Traumatic Brain Injury and Mortality Benefit.
Severe traumatic brain injury with a decrease in cerebral oximetry is associated with multiple impaired systemic microcirculations, more morbidities, and a higher mortality rate.
- Trial name
- NCT06306950
- Testing
- Near infrared spectroscopy neuromonitor to prevent cerebral desaturation
- Where
- Thailand
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Phramongkutklao College of Medicine and Hospital
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
Anxiety
Effect of Different Doses of Dexmedetomidine on Cerebral Oxygen Saturation and Postoperative Anxiety in Elderly Patients
To investigate the effect of different doses of dexmedetomidine on Cerebral Oxygen Saturation and Postoperative anxiety in elderly patients undergoing laparoscopic surgery
- Trial name
- NCT05640427
- Testing
- Dexmedetomidine, normal saline
- Where
- China
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- The First Hospital of Qinhuangdao
Oxygen Deficiency
Comparison of Oxygen Reserve Index and Regional Cerebral Oxygen Saturation Indetermining Hypoxia in Obese Patients
The primary aim of this study is to compare the effectiveness of ORI and rcSO2 in predicting hypoxia early in obese patients who are sensitive to hypoxia.
- Trial name
- NCT06404151
- Testing
- monitoring
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Dr. Lutfi Kirdar Kartal Training and Research Hospital
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
SSNHL(Sudden Sensory Neural Hearing Loss)
The Effect of Oxygen Administration on Regional Cerebral Oxygen Saturation (rSO2) in the Non-block Side After Stellate Ganglion Block
Stellate ganglion block (SGB) is known to increase blood flow to the innervation area of the stellate ganglion. Near infrared spectroscopy reflects changes of blood volume and allows continuous, non-invasive, and bedside…
- Trial name
- NCT01532713
- Testing
- oxygen administration
- Where
- South Korea
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Yonsei University
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
Anesthesia, Cerebral Blood Flow
Hypertension and Cerebrovascular Hemodynamics in General Anaesthesia
During anesthesia, blood pressure-raising medications are often required to achieve an adequate blood pressure level. However, there is limited knowledge about what constitutes an adequate blood pressure to ensure sufficient…
- Conditions
- Anesthesia, Cerebral Blood Flow, Regional Cerebral Oxygen Saturation, Blood Pressure
- Trial name
- NCT06855407
- Testing
- Blood pressure elevation
- Where
- Sweden
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Umeå University
Ventilation Mode, Pleth Variability Index
Effects of Volume and Pressure-Controlled Ventilation on Cerebral SpO2, PI, and PVI Index in Septoplasty
Objective: This study was designed to evaluate the accuracy of Pleth Variability Index (PVI), Perfusion Index (PI) and Regional Oxygen Saturation (rSO2) in both ventilation modes in patients undergoing septorhinoplasty operation…
- Conditions
- Ventilation Mode, Pleth Variability Index, Perfusion Index, Regional Cerebral Oxygen Saturation
- Trial name
- NCT06407362
- Testing
- Cerebral Oxygen Saturation
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Sanliurfa Mehmet Akif Inan Education and Research Hospital
Oxygen Deficiency
Validation of Next Generation Cerebral and Tissue Oximeter
This is a validation study of a near-infrared spectroscopy (NIRS) device designed to measure the cerebral tissue oxygen saturation.
- Trial name
- NCT03128372
- Testing
- Desaturation
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Medtronic - MITG