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Nerve surgery offers hope for breast cancer survivors in chronic pain

NCT ID NCT04530526

Symptom relief Sponsor: University of Michigan Rogel Cancer Center 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a surgical procedure called RPNI to treat chronic pain after mastectomy. 26 participants who had pain for at least six months after surgery were enrolled. The approach aims to reduce pain, improve quality of life, and lower the need for painkillers by treating damaged nerves.

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

26 people

The number who actually took part.

Started

Jul 2019

Finished

Sep 2023

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

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: In order to be eligible to participate in this study, a subject must meet all of the following criteria: * Reporting post-mastectomy pain at least six months removed from mastectomy or partial mastectomy (lumpectomy). * Willing to comply with all study procedures and be available for the duration of the study * Fluent in English * Women of reproductive potential must use highly effective contraception (specify methods of contraception acceptable for the study, e.g., licensed hormonal methods) and/or willingness to undergo a pregnancy test. Exclusion Criteria: A potential subject who meets any of the following criteria will be excluded from participation in this study: * Previous surgical management for chronic post-mastectomy pain * Signs/symptoms which are not suggestive of neuropathic pain based on physical exam at time of consultation. * Pregnancy or lactation * Men will not be enrolled in this study due to the low prevalence of male mastectomy. * Anything that, in the opinion of the investigator, would place the subject at increased risk or preclude the subject's full compliance with or completion of the study.

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Conditions

The condition(s) this trial relates to.

neuroma

As listed by the trial registrant

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

Post-mastectomy chronic pain syndrome

Contacts and locations

Locations

  • University of Michigan Rogel Cancer Center

    Ann Arbor, Michigan, 48109, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.