Geneva, April 20 -- International Clinical Trials Registry received information related to the study (NCT07517822) titled 'Bilateral Erector Spinae Plane Block Versus Bilateral Quadratus Lumborum Plane Block for Postoperative Anaelgesia After Lumbar Spine Surgery' on April 2.

Study Type: Interventional

Study Design: Allocation: Randomized. Intervention model: Parallel Assignment. Primary purpose: Prevention. Masking: Single (Investigator).

Primary Sponsor: Ain Shams University

Condition: Anaesthesia

Intervention: Procedure: Ultrasound-guided quadratus lumborum block (QLB)

Recruitment Status: Not recruiting

Phase: Phase 4

Date of First Enrollment: December 1, 2025

Target Sample Size: 40

Countries of Recruitment: Egypt

To ...