Clinical trials: Cerebral Saturation, open to volunteers
Carotid Endarterectomy, Cerebral Autoregulation
Association Between Local Cerebral Oxygenation Monitoring and Postoperative Stroke in Carotid Endarterectomy
Carotid endarterectomy (CEA) is used to treat symptomatic extracranial internal carotid artery stenosis. The occult stroke of CEA patients evaluated by magnetic resonance imaging 3 days after operation was as high as 17%.
- Trial name
- NCT06406842
- Testing
- Cerebral oxygenation index guided hemodynamics management
- Where
- 2 sites in China
- Volunteers
- 560 people
- Sponsor
- Beijing Tiantan Hospital
Cerebral Oxygenation
Effect of Left Paratracheal Pressure on Cerebral Oxygenation During General Anesthesia
Left paratracheal pressure (LPP) has been proposed as an alternative to cricoid pressure to reduce the risk of regurgitation during induction of general anesthesia.
- Trial name
- PARANIRS (NCT07778303)
- Testing
- Left Paratracheal Pressure, Cricoid Pressure
- Where
- Belgium
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Clinique Saint-Luc
Neonates and Preterm Infants, Infant Respiratory Distress Syndrome
Duration of Surfactant Administration and Impact on Stabilisation of Vital Parameters in Very Preterm Neonates: 1 Minutes Versus 5 Minutes
Respiratory distress syndrome (RDS) is common in very preterm infants due to surfactant deficiency. Surfactant replacement therapy is lifesaving, and current guidelines recommend the less invasive surfactant administration (LISA)…
- Conditions
- Neonates and Preterm Infants, Infant Respiratory Distress Syndrome, Surfactant Deficiency Syndrome Neonatal, Surfactant
- Trial name
- SurfStab I (NCT07261787)
- Testing
- Poractant alfa (Curosurf®) - 1-minute administration, Poractant alfa (Curosurf®) - 5-minute administration
- Where
- Austria
- Volunteers
- 76 people
- Sponsor
- Medical University of Graz
Cerebral Oxygen Saturation, Postoperative Delirium
Association Between Local Cerebral Oxygenation Monitoring and Postoperative Delirium in Carotid Endarterectomy
Postoperative delirium (POD) is a common perioperative complication, which can lead to adverse outcomes. Patients undergoing carotid endarterectomy (CEA) were elderly, complicated with vascular risk factors, cognitive…
- Conditions
- Cerebral Oxygen Saturation, Postoperative Delirium, Carotid Endarterectomy
- Trial name
- NCT05198635
- Testing
- local cerebral oxygen saturation
- Where
- China
- Volunteers
- 140 people
- Sponsor
- Beijing Tiantan Hospital
Lumbar Disc Herniation, Respiratory Mechanics
Pulmonary Mechanics and Cerebral Oxygenation During Prone Lumbar Disc Surgery
This prospective observational study aims to evaluate the relationship between changes in respiratory mechanics and cerebral oxygenation in adult patients undergoing elective lumbar disc surgery in the prone position under…
- Conditions
- Lumbar Disc Herniation, Respiratory Mechanics, Cerebral Oxygenation
- Trial name
- NCT07862257
- Testing
- Prone Positioning
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- Sehit Prof. Dr. Ilhan Varank Sancaktepe Training and Research Hospital
Spinal Anesthesia-Induced Hypotension, Cerebral Oxygenation
Effects of Ondansetron Timing During Spinal Anesthesia for Urologic Surgery
This study will evaluate whether the timing of intravenous ondansetron administration affects cerebral oxygenation and hemodynamic stability in older adults undergoing endoscopic urologic surgery under spinal anesthesia.
- Trial name
- NCT07858149
- Testing
- Ondansetron 8 mg, 0.9 % sodium chloride
- Where
- Turkey (Türkiye)
- Volunteers
- 99 people
- Sponsor
- Istanbul University
Glioma, Brain Metastases
Use of CEST (Chemical Exchange Saturation Transfer) Imaging in PET/MRI
Standard Magnetic Resonance Imaging (MRI) is based on the excitation of hydrogen nuclei that are presents in water molecules, which abundance in human body allows for obtention of superior contrast.
- Trial name
- GlioCEST (NCT05464992)
- Testing
- Additional CEST sequences during PET/MRI exam
- Where
- France
- Volunteers
- 800 people
- Sponsor
- Centre Paul Strauss
Cerebral Desaturation Events, Spine Surgeries
Mg Sulfate Versus Dexmedetomidine on Cerebral Oxygen Saturation
This study is to evaluate the effects of dexmedetomidine and magnesium sulfate on cerebral oxygen saturation in patients undergoing spine surgeries as adjuvant to general anesthesia guided by cerebral oximetry.
- Trial name
- mg/dex/rSO2 (NCT06848595)
- Testing
- spine surgery, Magnesium sulfate, Dexmedetomidine
- Volunteers
- 90 people
- Sponsor
- Tanta University
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
Carotid Stenosis, Carotid Artery Diseases
Cerebral Oximetry During Awake Carotid Endarterectomy
Surgery to remove plaque from the carotid artery in the neck requires the artery to be clamped for a period of time. In some patients this reduces blood flow to the brain enough to cause temporary symptoms, and a temporary…
- Conditions
- Carotid Stenosis, Carotid Artery Diseases, Brain Ischemia, Carotid Endarterectomy
- Trial name
- COACE (NCT07816081)
- Testing
- Masked continuous cerebral oximetry, Standardised awake neurological test, Serial cognitive assessment
- Where
- Vietnam
- Volunteers
- 150 people
- Sponsor
- Nguyen Toan Thang
Hypotension Drug-Induced
A Prospective Study of Vasopressor on Cerebral Oxygenation During General Anesthesia
The purpose of this study is to investigate whether norepinephrine(N), phenylephrine(P) or ephedrine(E) have different effect on cerebral oxygenation in abdominal surgery with propofol or sevoflurane.
- Trial name
- NCT06334549
- Testing
- Ephedrine-P, Phenylephrine-P, Norepinephrine-P
- Where
- China
- Volunteers
- 180 people
- Sponsor
- Dalian Municipal Central Hospital
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
Cerebral Hypoperfusion, Hypotension
The Effect of Controlled Hypotension
Controlled hypotension is currently used in spinal surgery to reduce bleeding at the surgical site, improve the surgeon's visibility, and decrease intraoperative blood loss.
- Trial name
- NIRS (NCT06928870)
- Testing
- MAP 55-65 mmHg, MAP 66-75 mmHg
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Ankara Etlik City Hospital
Intensive Care Unit Syndrome
Cerebral Perfusion Variation During Blood Pressure Changes in ICU
The risk associated with arterial hypotension during anesthesia for intensive care sedation has been demonstrated, but the threshold at which consequences for perfusion of one or more organs appear varies according to the…
- Trial name
- DELTAPAMREA (NCT05804773)
- Testing
- Non-invasive Measurement of cerebral blood velocity in the middle cerebral artery by transcranial pulsed Doppler (TCD) (Mean velocity, Vm, cm/s)
- Where
- France
- Volunteers
- 92 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Aortic Stenosis Disease, TAVI(Transcatheter Aortic Valve Implantation)
Cerebral Regional Oxygen Saturation During TAVI - The CROS-TAVI Prospective Registry
This single-center, non-commercial clinical study investigates how different types of transcatheter aortic valve prostheses affect cerebral oxygen saturation during the procedure (TAVI - Transcatheter Aortic Valve Implantation).
- Conditions
- Aortic Stenosis Disease, TAVI(Transcatheter Aortic Valve Implantation), Cerebral Oxygen Saturation, Hemodynamic Changes
- Trial name
- CROS-TAVI (NCT07016789)
- Testing
- Near-infrared spectroscopy monitoring (NIRS) INVOS 5100C
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
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
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
Post-induction Hypotension, Eadyn
The Relationship Between Hypotension and Tissue O2 in Invasive Eadyn During Anesthesia Induction in Open Heart Surgery
Our aim is to identify patients who may experience hypotension during anesthesia induction. Intraoperative hemodynamic stability plays an important role in tissue oxygenation.
- Conditions
- Post-induction Hypotension, Eadyn, Cerebral and Kidney Regional Saturation, Open Heart Surgery
- Trial name
- Eadyn (NCT07831252)
- Testing
- mostcare hemodynamic monitor, Masimo NIRS, Hemodynamic Measurements on Standart Monitoring
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Haseki Training and Research Hospital
Glioblastoma Multiforme, Glycolytic Index
Biologic Association Between Metabolic Magnetic Resonance-positron Emission Tomograph (MR-PET) and Tissue Measures of Glycolysis in Brain Tumors of Infiltrating Glioblastoma Cells
The purpose of this project is to validate a new combined MRI and PET imaging technique as a biomarker or measure of glycolysis in brain tumors.
- Conditions
- Glioblastoma Multiforme, Glycolytic Index, Epidermal Growth Factor Receptor
- Trial name
- NCT06059690
- Testing
- pH Measurement of in vivo tissue
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Jonsson Comprehensive Cancer Center
Postoperative Delirium, Cerebral Oxygen Saturation
Effect of Perioperative IV Ibuprofen on Cerebral Oxygenation and Postoperative Cognition During One-Lung Ventilation
This study compares the effects of ibuprofen administered during surgery and within the first 24 hours after surgery, versus no ibuprofen, on cerebral oxygenation, postoperative changes in consciousness (postoperative delirium…
- Conditions
- Postoperative Delirium, Cerebral Oxygen Saturation, Postoperative Cognitive Dysfunction (POCD)
- Trial name
- NCT07399184
- Testing
- ibuprofen
- Volunteers
- 54 people
- Sponsor
- Ondokuz Mayıs University