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Intertransverse Process Block Versus M-TAPA Block After Laparoscopic Hysterectomy

NCT07599787 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 60

Last updated 2026-05-20

No results posted yet for this study

Summary

This randomized clinical trial aims to evaluate and compare the analgesicefficacy of the Intertransverse Process Block (ITPB) and the Modified Thoracoabdominal Nerve Block through Perichondrial Approach (M-TAPA) in patients undergoing laparoscopic hysterectomy. The primary outcome is the Visual Analog Scale (VAS) score within the first 24 hours after surgery. Secondary outcomes include total opioid consumption, requirement for rescue analgesia, block- related complications and adverse effects (hematoma, pneumothorax, local anesthetic systemic complications, vascular puncture, and infection), patient satisfaction assessed using a Likert scale, quality of recovery assessed using the QoR-15 questionnaire, and incidence of postoperative nausea and vomiting.

Conditions

  • Intertransverse Process Block
  • Mtapa Block
  • Laparoscopic Hysterectomy
  • Postoperative Pain
  • Regional Anaesthesia

Interventions

PROCEDURE

Intertransverse Process Block

A linear ultrasound probe will be positioned along the medial border of spinous processes level of the T10 thoracic vertebrae.Anatomical landmarks, including the erector spinae muscle, transverse processes, and superior costotransverse ligament complex at the T10 level, will be identified. Using an in-plane approach, a 21 G 0.8x100 mm echogenic insulated needle will be inserted through the erector spinae muscle toward the intertransverse tissue complex located between the superior costotransverse ligament and the transverse processes. Proper needle placement will be confirmed with the injection of 1-2 mmL isotonic saline demonstrating separation within the intertransverse plane. Upon confirmation and negative aspiration, 20 mL of 0.25% bupivacaine hydrochloride will be administered on each side under ultrasound guidance.

PROCEDURE

M-TAPA Block

A linear ultrasound probe will be positioned obliquely along the costal margin at the level of the 10th costal cartilage. Anatomical landmarks, including the costal cartilage, rectus abdominis muscle, transversus abdominis muscle, and internal oblique muscle will be identified. Using an in-plane approach, a 21G 0.8×100 mm echogenic insulated needle will be inserted toward the perichondrial plane beneath the 10th costal cartilage under ultrasound guidance. Proper needle placement will be confirmed with the injection of 1-2 mL isotonic saline. Upon confirmation and negative aspiration, 20 mL of 0.25% bupivacaine hydrochloride will be administered on each side under ultrasound guidance.

Sponsors & Collaborators

  • Antalya City Hospital

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

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

Timeline & Regulatory

Start
2026-11-18
Primary Completion
2027-09-30
Completion
2027-11-30

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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 NCT07599787 on ClinicalTrials.gov