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Single shot may stop chronic pain after breast surgery

NCT ID NCT06019325

Symptom relief Sponsor: Muğla Sıtkı Koçman 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Updated 1 time

Summary

This study looked at whether a single injection of numbing medicine between the ribs (rhomboid intercostal block) can lower the chance of chronic pain after mastectomy. 254 women having breast cancer surgery were split into two groups: one got the block, the other did not. Researchers checked for pain at 3 and 6 months after surgery to see if the block made a difference.

What this could mean

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

Active substance
bupivacaine
What this could lead to
If effective, this simple nerve block could become a standard way to lower the chance of long-term pain after breast cancer surgery.
What could go wrong
This is a small, completed trial with no phase designation. The block only targets specific nerves, so it may not prevent all types of chronic pain. Results need confirmation in larger studies.

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

254 people

The number who actually took part.

Started

Sep 2023

Finished

Apr 2025

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 70 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: * ASA I-II patients * Female * Ages between 18-65 * Patients who will receive breast cancer surgery under general anesthesia Exclusion Criteria: * Alcohol or substance or chronic opioid consumption story * Any pain killers intake in the last 24 hours prior to surgery * Body mass index over 35 kg/m2 * Infection at the injection sites * Known allergy to local anesthetics * Known psychiatric diseases which prevents communication * Operations longer than 3 hours

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Conditions

The condition(s) this trial relates to.

Acute Pain agnosia breast cancer breast neoplasm Chronic Pain neuralgia Pain, Postoperative

As listed by the trial registrant

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

Breast cancer Neuropathic pain Postoperative pain, acute Postoperative pain, chronic

Contacts and locations

Locations

  • Muğla Training and Research Hospital

    Muğla, MENTEŞE, 48000, Turkey (Türkiye)

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