Study of Nerve Block Pain Management in Patients Undergoing a Double Mastectomy With Immediate Reconstruction

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE4

Total Enrollment

1507 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-07-05

Study Completion Date

2026-07-31

Brief Summary

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The purpose of this study is to determine if the injection site or sites used for administering pain medication (nerve blocks) before a double mastectomy with immediate reconstruction with tissue expanders reduce the need for pain medication after surgery.

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Detailed Description

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Conditions

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Breast Cancer Breast Cancer Female

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Patients will be randomized to 1 of 3 groups (approximately n=500 patients per group) of standard of care preoperative nerve blocks consisting of either: i) PVB, ii) serratus+PECS-1, or iii) PVB+PECS-1. Each group will receive ropivacaine or bupivacaine +/- clonidine (0.5 - 1 mcg/kg not to exceed a total of 100 mcg) +/- dexamethasone (up to 4 mg) in one of three routine nerve block approaches prior to surgical procedure as is current standard of care.

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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PVB

Patient will be placed in the prone, lateral, or sitting position. With an ultrasound probe placed in the parasagittal or transverse position, the paravertebral space will be identified. Injections will be done in an in-plane manner relative to the ultrasound probe. Local anesthesia will be injected to cover T1-T6 dermatomes.

Group Type EXPERIMENTAL

PVB Protocol

Intervention Type DRUG

Patient will be placed in the prone, lateral, or sitting position. With an ultrasound probe placed in the parasagittal or transverse position, the paravertebral space will be identified. Injections will be done in an in-plane manner relative to the ultrasound probe. Local anesthesia will be injected to cover T1-T6 dermatomes.

PVB + PECS-1

Patient will be placed in the prone, lateral, or sitting position. With an ultrasound probe placed in the parasagittal or transverse position, the paravertebral space will be identified. Injections will be done in an in-plane manner relative to the ultrasound probe. Local anesthesia will be injected to cover T1-T6 dermatomes.

For PECS-1, the patient will be placed in the supine position with an ultrasound probe placed inferolaterally starting at the mid-clavicular level the pectoralis major and minor will be identified. Injection of local anesthesia will be performed between the pectoralis major and minor.

Group Type EXPERIMENTAL

PVB Protocol

Intervention Type DRUG

Patient will be placed in the prone, lateral, or sitting position. With an ultrasound probe placed in the parasagittal or transverse position, the paravertebral space will be identified. Injections will be done in an in-plane manner relative to the ultrasound probe. Local anesthesia will be injected to cover T1-T6 dermatomes.

PECS-1

Intervention Type DRUG

For PECS-1, the patient will be placed in the supine position with an ultrasound probe placed inferolaterally starting at the mid-clavicular level the pectoralis major and minor will be identified. Injection of local anesthesia will be performed between the pectoralis major and minor

Serratus + PECS-1

For PECS-1, the patient will be placed in the supine position with an ultrasound probe placed inferolaterally starting at the mid-clavicular level the pectoralis major and minor will be identified. Injection of local anesthesia will be performed between the pectoralis major and minor.

For the serratus block, the patient will be placed in the supine or lateral decubitus position and with an ultrasound probe, in the parasagittal plane, the serratus muscles will be identified. Injections will be done in-plane below the serratus anterior.

Group Type EXPERIMENTAL

PECS-1

Intervention Type DRUG

For PECS-1, the patient will be placed in the supine position with an ultrasound probe placed inferolaterally starting at the mid-clavicular level the pectoralis major and minor will be identified. Injection of local anesthesia will be performed between the pectoralis major and minor

Serratus

Intervention Type DRUG

For the serratus block, the patient will be placed in the supine or lateral decubitus position and with an ultrasound probe, in the parasagittal plane, the serratus muscles will be identified. Injections will be done in-plane below the serratus anterior.

Interventions

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PVB Protocol

Patient will be placed in the prone, lateral, or sitting position. With an ultrasound probe placed in the parasagittal or transverse position, the paravertebral space will be identified. Injections will be done in an in-plane manner relative to the ultrasound probe. Local anesthesia will be injected to cover T1-T6 dermatomes.

Intervention Type DRUG

PECS-1

For PECS-1, the patient will be placed in the supine position with an ultrasound probe placed inferolaterally starting at the mid-clavicular level the pectoralis major and minor will be identified. Injection of local anesthesia will be performed between the pectoralis major and minor

Intervention Type DRUG

Serratus

For the serratus block, the patient will be placed in the supine or lateral decubitus position and with an ultrasound probe, in the parasagittal plane, the serratus muscles will be identified. Injections will be done in-plane below the serratus anterior.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Female patients \>/= 18 years old
* Undergoing Bilateral Mastectomy with immediate reconstruction (BMw/IR)
* Scheduled for surgery at Josie Robertson Surgical Center (JRSC)
* Must be appropriate for an agree to receive a nerve block
* Must be appropriate for randomization
* Able to read and speak English
* Willing and able to provide written informed consent