Brain oxygen tracking during surgery may prevent strokes
NCT ID NCT06406842
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study tests whether monitoring the brain's oxygen levels during carotid artery surgery can help doctors manage blood pressure and reduce the risk of stroke. 560 adults scheduled for surgery will be randomly assigned to standard care or a strategy that uses a brain oxygen index to guide treatment. The goal is to see if this approach lowers the chance of new brain damage after the operation.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Cerebral oxygenation index guided hemodynamics management (using norepinephrine or phenylephrine and adjusting oxygen or carbon dioxide levels)
- What this could lead to
- If successful, this approach could reduce the risk of stroke and brain injury after carotid artery surgery.
- What could go wrong
- This is a single-center study still recruiting, and the intervention is complex. It may not show a clear benefit or be easy to apply in other hospitals.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 560 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2024
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients scheduled for elective carotid endarterectomy * ASA Ⅱ or Ⅲ * aged 18-80 years old Exclusion Criteria: * preoperative moderate and severe cognitive impairment * preoperative psychotropic medication history within one year * history of neurosurgery * have speech or language impairments
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
2 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Beijing Tian Tan Hospital, Capital Medical University
RECRUITINGBeijing, Beijing Municipality, 100070, China
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Xuanwu Hospital, Capital Medical University
RECRUITINGBeijing, Beijing Municipality, 100053, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a forehead light sensor spot hidden brain oxygen drops during carotid surgery?
- Race against recurrence: how soon should surgeons clear a blocked neck artery?
- A new brain monitor could reveal stroke outcomes in minutes
- Which carotid fix works best right after a stroke? a Head-to-Head trial
- Standing up reveals hidden body control systems
- Brain blood flow in tiny patients: study seeks safe surgery limits