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New nerve block aims to stop chronic pain after mastectomy

NCT ID NCT07289178

Symptom relief Sponsor: First Affiliated Hospital of Kunming Medical 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 whether a single injection of liposome bupivacaine, a long-acting anesthetic, into the chest wall can reduce pain sensitivity and prevent chronic pain after radical mastectomy. 120 breast cancer patients will receive the nerve block during surgery, and their pain thresholds and pain scores will be tracked for 6 months. The goal is to see if this approach can improve recovery and lower the risk of lasting pain.

What this could mean

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

Active substance
liposome bupivacaine
What this could lead to
If it works, this could provide a way to reduce long-term pain after mastectomy, improving recovery and quality of life for breast cancer patients.
What could go wrong
This is an early-phase study with only 120 participants, so results may not apply to everyone. The nerve block may not significantly reduce chronic pain, and there are risks like allergic reaction or infection.

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 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 120 people

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

Expected to start

Jan 2026

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 to 80 years

Sex

Female participants only

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: Select patients scheduled for elective radical mastectomy for breast cancer under general anesthesia, ASA grade I-IV, aged 18-80 years. Exclusion Criteria: Allergy to the anesthetics used, infection at the puncture site, history of chronic pain and current use of opioid analgesics, history of chest surgery or trauma, drug or alcohol dependence, neurological or psychiatric disorders, severe hepatic or renal insufficiency, pregnancy, body mass index (BMI) greater than 30 kg/m².

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Conditions

The condition(s) this trial relates to.

breast cancer Pain, Postoperative

As listed by the trial registrant

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

Chronic post-surgical pain Liposomal bupivacaine Postoperative hyperalgesia Radical mastectomy surgery Serratus plane block

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

  • First Affiliated Hospital of Kunming Medical University

    Kunming, Yunnan, 650000, China

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