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Which nerve block eases pain best after breast reconstruction?

NCT ID NCT07209436

Symptom relief Sponsor: Amy Colwell 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 types of nerve blocks—paravertebral and pectoral—given before implant-based breast reconstruction surgery. Researchers will measure pain levels and physical well-being in 212 adult patients. The goal is to find which block offers better recovery and comfort.

What this could mean

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

Active substance
nerve block (paravertebral or pectoral)
What this could lead to
If successful, this could show which nerve block provides better pain relief and quality of life after breast reconstruction surgery.
What could go wrong
This is a small, early-stage comparison study. Results may not apply to all patients or surgeries, and individual responses to nerve blocks vary.

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 212 people

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

Started

Nov 2025

Expected to finish

Jun 2028

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: * Adult patient 18 years or older * Scheduled for unilateral or bilateral immediate implant-based breast reconstruction * Therapeutic or prophylactic indication * Patient understands the study procedures and objectives and is willing to participate * Patient willing to and capable of providing informed consent Exclusion Criteria: * Delayed breast reconstruction * Allergy or contraindication to local anesthetics (PVB or PECS blocks) * History of radiation therapy * Planned sedation or general anesthesia protocol variation * Morbid obesity as defined as a BMI greater than 40 kg/m2 * Renal insufficiency * Chronic pain syndrome or central sensitization disorders (e.g., fibromyalgia, CRPS) * Use of implanted pain devices or neuromodulators * Pre-existing neurological deficits in the surgical field * Current chronic opioid use (daily use within the 2 weeks before surgery and duration of use greater than 4 weeks) * Use of any nerve medications in the past 6 months, including antiepileptic medications (gabapentin, carbamazepine) * History of drug or alcohol abuse or habitual alcohol intake greater than two standard drinks per day (e.g., two beers, two glasses of wine, or two mixed drinks) * Any comorbidity that results in moderate or severe functional limitation, inability to communicate with the investigators or hospital staff * History of a psychiatric disorder which would interfere with the study procedure * Incarceration * Any issue that at the discretion of the investigator would contraindicate the subject's participation * Inability to understand the procedures and objectives of the study * Inability to or unwilling to provide informed consent

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm

As listed by the trial registrant

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

Breast reconstruction

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

  • Massachusetts General Hospital

    RECRUITING

    Boston, Massachusetts, 02114, United States

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