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New numbing shot could ease pain after brain surgery

NCT ID NCT07245290

Symptom relief Sponsor: Second Affiliated Hospital, School of Medicine, Zhejiang University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests if a long-lasting numbing drug (liposomal bupivacaine) injected into the scalp before surgery can reduce pain after a specific type of brain surgery called microvascular decompression. About 100 adults having this surgery will be randomly assigned to receive either the numbing injection or standard care. The goal is to see if this approach provides better pain control and reduces the need for strong painkillers.

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

Early phase 1

The earliest testing in people: a first look at safety, in a very small group.

Participants

About 100 people

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

Expected to start

Nov 2025

An estimate. Start dates often move.

Expected to finish

Dec 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.

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: * (1) Age ≥ 18 years old; * (2) ASA classification ≤ III grade, patients scheduled to undergo craniotomy and microvascular decompression surgery. Exclusion Criteria: * (1) Trauma or emergency patients; * (2) Patients with cardiac conduction block (sinus node conduction block or atrioventricular conduction block); * (3) Patients with coagulation dysfunction; * (4) Patients who have abused alcohol or had severe dependence on anesthetic drugs within the past 2 months; * (5) Patients with uncontrolled anxiety disorder, schizophrenia or other mental illnesses; * (6) Patients with a history of allergy to local anesthetics or non-steroidal drugs.

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Conditions

The condition(s) this trial relates to.

clonic hemifacial spasm glossopharyngeal neuralgia trigeminal neuralgia

As listed by the trial registrant

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

Liposomal bupivacaine Microvascular decompression

How to take part

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  1. 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 ↗

  2. A doctor treating you

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