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Evaluating The Efficacy Of Pecs II Blockade Compared To Local Anesthetic Infiltration In Controlling Postoperative Pain In Patients Undergoing Oncologic Breast Surgery Under Opioid Free/Sparing Anesthesia.

NCT06889870 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 134

Last updated 2025-04-16

No results posted yet for this study

Summary

Breast cancer is the malignant neoplasm with the highest incidence in women in Brazil, with the exception of non-melanoma skin tumors. Breast cancer surgery is an important part of treatment and post-operative pain needs to be adequately prevented and treated. This prospective, randomized, double-blind clinical study aims to evaluate the efficacy of interfascial pectoral nerve block (PECS II) compared to local anesthetic infiltration at the surgical site in patients undergoing breast cancer surgery in terms of pain and nausea. Data collection will be carried out at the Nossa Senhora das Dores Hospital with 133 patients, who will be divided into two groups: the PEC group will undergo PECS II blockade and the LOC group will undergo local anesthetic infiltration at the surgical site. Both interventions will be performed after the induction of opioid-free/sparing balanced general anesthesia. At the end of surgery, the patients will be taken to the post-anesthetic recovery room (PACU), where post-operative pain will be monitored on arrival and at 30-minute intervals up to two hours after surgery, and before the patient is discharged the following day. A visual analog scale (VAS) will be used, and PONVs will also be recorded. After a 2-hour stay in the PACU, they will be transferred to the ward, and after 24 hours, they will be reassessed using the same parameters. Opioid consumption will be recorded in the PACU and during hospitalization, as well as the occurrence of nausea or vomiting and compared between the groups, and side effects and complications will be monitored.

Conditions

  • Pain
  • Pain Management
  • Anesthesia

Interventions

PROCEDURE

Pectoral Nerve Block

In the PEC group, the PECS II block will be performed by the same anesthesiologist and will be performed before the skin incision, using the technique described by Blanco at al, 2012. 10 ml of ropivacaine solution (0.3%) will be administered into the fascia between the pectoralis major and pectoralis minor muscles and 20 ml of the same anesthetic solution between the pectoralis minor and serratus muscles.

PROCEDURE

Local Anesthesia

In the LOC group, local infiltration will be carried out by the surgeon before the surgical incision. Adrenaline 1:20000 will be added to the anesthetic solution in the LOC group for the surgeon's convenience in order to better control per operative bleeding. In the PEC group, a solution of adrenaline in the same concentration in 0.9% saline will be infiltrated, also just to control bleeding in the surgical field.

Sponsors & Collaborators

  • Faculdade de Ciências Médicas de Minas Gerais

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
80 Years
Sex
FEMALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2025-04-15
Primary Completion
2026-03-30
Completion
2026-07-30

Countries

  • Brazil

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06889870 on ClinicalTrials.gov