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Brain surgery anesthesia showdown: which method uses less drug?

NCT ID NCT07377695

Knowledge-focused Sponsor: Seoul National University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests two methods of giving the anesthetic remimazolam during cerebrovascular bypass surgery in people with moyamoya disease. One method uses a computer-controlled pump (TCI), the other uses manual weight-based dosing. The goal is to see which approach uses less total anesthetic. 58 adults will be randomly assigned to one of the two methods.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Remimazolam (an anesthetic drug)
What this could lead to
If successful, this could help doctors use less anesthetic during brain surgery, potentially reducing side effects and costs.
What could go wrong
This is a small, early-stage study (58 people) focused on drug dosing, not on curing or treating moyamoya disease. Results may not apply to other surgeries or patients.

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

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

About 58 people

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

Started

Feb 2026

Expected to finish

Dec 2030

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.

Ages

19 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: * Patients scheduled to undergo cerebrovascular bypass surgery under general anesthesia. * American Society of Anesthesiologists (ASA) Physical Status 1, 2, or 3 * Adults aged 19 years or older * Patients who have provided prior written informed consent to participate in the study Exclusion Criteria: * Patients who do not consent to participate in the research * Patients classified as ASA Physical Status 4 * Patients with a BMI ≤18.5 kg/m2 or 35.0 ≥ kg/m2 * History of allergy to benzodiazepine-class medications * Patients with acute narrow-angle glaucoma * Patients in a state of shock or coma * Acute alcohol intoxication with suppressed vital signs , or patients with alcohol or drug dependency * Presence of Sleep Apnea Syndrome or severe/acute respiratory failure * Patients with lactose intolerance or hypersensitivity to Dextran 40

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Conditions

The condition(s) this trial relates to.

Moyamoya disease

As listed by the trial registrant

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

Moyamoya disease

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

  • Seoul National University Bundang Hospital

    RECRUITING

    Seongnam-si, Gyeonggi-do, 13620, South Korea

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