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Brain oxygen check could make carotid surgery safer

NCT ID NCT07150260

Knowledge-focused Sponsor: Izmir Katip Celebi University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at 60 people having awake surgery to clear a blocked neck artery (carotid endarterectomy). During the procedure, the surgeon temporarily clamps the artery, which can reduce blood flow to the brain. Researchers will compare two ways to monitor brain blood supply: a direct pressure measurement from the artery and a non-invasive oxygen sensor on the forehead. The goal is to see if a big difference in oxygen levels between the two sides of the brain is linked to low pressure, which could help surgeons better protect the brain during surgery.

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.

Participants

About 60 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2025

Expected to finish

Oct 2026

An estimate. End dates often move.

Lead sponsor

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.

Who is studied

Adult patients (≥18 years) undergoing elective carotid endarterectomy (CEA) under regional anesthesia at a single tertiary academic hospital. All participants must be able to tolerate awake surgery with regional anesthesia (superficial cervical plexus block) and undergo bilateral near-infrared spectroscopy (NIRS) monitoring and carotid stump pressure measurement during the procedure.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults aged 18 years or older * Scheduled for elective carotid endarterectomy (CEA) * Able to tolerate surgery under regional anesthesia (superficial cervical plexus block) * Availability of bilateral regional cerebral oxygen saturation (rSO₂) measurements by near-infrared spectroscopy (NIRS) * Successful intraoperative carotid stump pressure (SP) measurement after cross-clamping * Provided written informed consent Exclusion Criteria: * Incomplete NIRS or SP recordings * Conversion from regional to general anesthesia * Intraoperative technical complications preventing monitoring * History of prior ipsilateral carotid endarterectomy or carotid artery stenting * Recent major stroke with permanent neurological deficit * Recent myocardial infarction within the past 3 months * History of traumatic brain injury within the past 6 months

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Conditions

The condition(s) this trial relates to.

carotid stenosis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Carotid artery stenosis symptomatic Carotid endarterectomy (CEA) surgical patients Cerebral hypoperfusion

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Izmir Katip Celebi University Atatürk Training and Research Hospital

    RECRUITING

    Izmir, Turkey (Türkiye)

More trials for these conditions

Other studies related to the condition(s) this trial covers.