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New painkiller aims to cut nausea after brain surgery

NCT ID NCT07479446

Symptom relief Sponsor: Xuanwu Hospital, Beijing 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares two painkillers given through a patient-controlled pump after brain surgery. The goal is to see if oliceridine causes less nausea than the standard drug sufentanil. 174 adults having surgery near the base of the skull will be randomly assigned to one of the two drugs. Researchers will track nausea, pain levels, and other recovery measures for 48 hours after surgery.

What this could mean

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

Active substance
Oliceridine
What this could lead to
If it works, this could point toward a painkiller that causes less nausea after brain surgery.
What could go wrong
This is a small, early-stage trial comparing two drugs, so results may not apply to all patients. Oliceridine might not reduce nausea as hoped, or could have other side effects.

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 174 people

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

Started

Mar 2026

Expected to finish

Sep 2027

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 to 65 years

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: * Scheduled for elective CPA region surgery with planned PCIA. * Age 18-65 years. * ASA physical status I-III. * Provides written informed consent. Exclusion Criteria: * Opioid tolerance (taking opioids ≥1 week, equivalent to oral morphine ≥50 mg/day or oxycodone ≥30 mg/day). * Severe cardiopulmonary, hepatic, renal, vascular, neurological, hematological, gastrointestinal, or endocrine diseases. * Postoperative ICU admission with tracheal intubation. * BMI ≤18.5 or ≥30 kg/m². * Participation in another clinical trial within 3 months prior to screening.

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Conditions

The condition(s) this trial relates to.

acoustic neuroma cerebellopontine angle tumor Postoperative Nausea and Vomiting

As listed by the trial registrant

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

Cerebellopontine angle tumor Microvascular decompression surgery PONV Postoperative 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

  • Xuanwu Hospital, Capital Medical University

    RECRUITING

    Beijing, China

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