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PECS II vs. MTP for Analgesia After MRM

NCT06187909 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 88

Last updated 2026-01-21

Study results available
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Summary

This randomized controlled study aims to compare the analgesic efficacy of the ultrasound-guided modified pectoral nerve block (PECS II) and the midpoint transverse process to pleura (MTP) block in female patients undergoing modified radical mastectomy (MRM). Postoperative pain intensity will be assessed using the Visual Analog Scale (VAS) over the first 24 hours, with additional evaluation of opioid consumption and complications.

Conditions

  • Breast Neoplasm Female
  • Postoperative Pain Management

Interventions

PROCEDURE

PECS II BLOCK

In the supine position, as described by Blanco et al., the ultrasound probe was placed transversely beneath the clavicle. After identifying the intermuscular plane between the pectoralis major and minor, 10 mL of 0.25% bupivacaine was injected. The probe was then repositioned laterally to identify the plane between the pectoralis minor and serratus anterior at the third to fourth ribs, where a further 10 mL of 0.25% bupivacaine was injected.

PROCEDURE

MTP BLOCK

The block was performed with the patient in a seated position. The ultrasound probe was positioned parasagittally, approximately 3 cm lateral to the midline, at the T2 and T6 vertebral levels. A 22-gauge needle was advanced in-plane to the midpoint between the transverse process and pleura, and 10 mL of 0.25% bupivacaine was injected at each level. This protocol was adapted from the original technique described by Bhoi et al., with modifications in injection levels and volume.

Sponsors & Collaborators

  • Ain Shams University

    lead OTHER

Principal Investigators

  • Ahmed A. Khalifa, MD · Ain Shams University

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
40 Years
Max Age
65 Years
Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2024-01-01
Primary Completion
2024-07-01
Completion
2024-08-01

Countries

  • Egypt

Study Locations

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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 NCT06187909 on ClinicalTrials.gov