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The brain is a metabolic active organ with constant energy demands. Brain oxygen supply is secured via cerebral circulation. Brain tumor surgery is commonly associated with the tumor's underlying pathophysiology including brain swelling or edema. During craniotomy for brain tumor resection maintenance of cerebral hemodynamic stability is of paramount importance. Neuroinflammation is also a normal response to trauma, such as in the case of brain tumor surgery. The role of neuroinflammation in postoperative brain function is well documented and the aim is to limit it through an appropriate anesthetic approach. Anesthetic agents used during surgery affect brain homeostasis. The anesthetic agent of choice for neurosurgery should deliver smooth and hemodynamically stable anesthesia, good operating conditions, and allow early neurological assessment. Also, the ideal anesthetic agent should preserve cerebral perfusion and neuroprotection. The two most common categories of anesthetic agents used nowadays for elective craniotomy are intravenous and inhalational agents. Propofol is the intravenous anesthetic agent of choice. The action of propofol involves a positive modulation of the inhibitory function of the neurotransmitter gamma-aminobutyric acid (GABA). Propofol causes a decrease in cerebral metabolic rate (CMR), intracranial pressure (ICP), cerebral perfusion pressure (CPP), and cerebral blood flow (CBF). It also is known for its antiemetic properties. Volatile agents commonly used in neuroanesthesia clinical practice are sevoflurane and desflurane. Both of these agents decrease CMR while maintaining stable CPP. CBF alteration is dose-dependent. Desflurane evokes a greater cerebral vasodilation effect than sevoflurane. Sevoflurane is a well-known neuroprotective anesthetic agent traditionally used in neurosurgery. Both desflurane and sevoflurane are associated with early emergence. Thus, this study aimed to explore the effect of volatile-based versus total intravenous anesthesia on cerebral homeostasis and neurocognitive function in patients undergoing elective craniotomy for brain tumor excision aiming to provide a basis for clinical rational drug use in patients undergoing craniotomy resection of supratentorial lesions.
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Accepts Healthy Volunteers
Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms |
No |
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Study Type
An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes. An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes. Searching Both is inclusive of interventional and observational studies. |
Interventional |
| Eligible Ages | 18 Years - 80 Years |
| Gender | All |
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Trial ID:
This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries. |
NCT06779890 |
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Phase
Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans. Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data. Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs. Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use. |
Phase 4 |
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Lead Sponsor
The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data. |
Georgia Tsaousi |
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Principal Investigator
The person who is responsible for the scientific and technical direction of the entire clinical study. |
Georgia Tsaousi, Professor |
| Principal Investigator Affiliation | Aristotle University Of Thessaloniki |
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Agency Class
Category of organization(s) involved as sponsor (and collaborator) supporting the trial. |
Other |
| Overall Status | Not yet recruiting |
| Countries | Greece |
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Conditions
The disease, disorder, syndrome, illness, or injury that is being studied. |
Brain Edema Caused by Drugs, Cerebral Oxygenation |
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