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Could a simple scalp injection replace opioids after brain surgery?

NCT ID NCT07149077

Symptom relief Sponsor: University Hospital, Bordeaux Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 07, 2026 · Last updated Aug 07, 2026

Summary

This trial tests whether adding ultrasound-guided scalp blocks—local anesthetic injections around the scalp—to standard anesthesia can reduce severe pain after planned brain surgery. Up to 30% of patients experience moderate to severe pain after such procedures, and current painkillers often rely heavily on opioids. The study will compare the need for morphine and pain scores in the first six hours after surgery between patients receiving the blocks and those receiving standard care alone.

What this could mean

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

Active substance
Echo-guided scalp blocks (local anesthetic injections around the scalp nerves) added to standard anesthesia
What this could lead to
If effective, this approach could offer a safer way to manage pain after brain surgery, reducing opioid use and related complications.
What could go wrong
The trial is still in progress, and results may not confirm a benefit. Scalp blocks carry small risks like bleeding or infection, and their effectiveness can vary.

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

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 230 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Sep 2028

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

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: * Patient managed in the neurosurgical unit for supratentorial intracranial surgery. * Person affiliated or beneficiary of a social security plan. * Free, informed, and written consent signed by the participant and the investigating physician (at the latest on the day of inclusion and before any examination required by the research). Exclusion Criteria: * Surgical procedure under awake surgery (systematic realization of scalp blocks necessary) * Aphasia of comprehension preoperatively or expected postoperatively or any other neurological impairment making self-evaluation of pain impossible. * Contraindication to the use of local anesthetics: allergy or history of intoxication to local anesthetics * Contraindication to adrenaline infiltration: severe ventricular rhythm disorders, severe obstructive cardiomyopathy, unstable coronary insufficiency, hypersensitivity to adrenaline. * Chronic pain patient or patient with daily preoperative consumption of morphine * Pregnant or breast-feeding woman * Patient under legal protection (persons deprived of liberty or under guardianship)

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Conditions

The condition(s) this trial relates to.

agnosia

As listed by the trial registrant

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

Anesthesia , analgesia

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

  • Bordeaux university hospital

    Bordeaux, France

More trials for these conditions

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