Comparing two anesthesia techniques for pain relief after lumbar surgery

Analgesic Effect of Ultrasound Guided Caudal Block Versus Quadratus Lumborum Plane Block in Lumbar Spine Surgery in Adult Patients: A Double Blinded Prospective Comparative Study

NA · Fayoum University Hospital · NCT06398600

This study is testing which of two pain relief methods works better after back surgery for people getting lumbar spine fixation.

Quick facts

PhaseNA
Study typeInterventional
Enrollment111 (estimated)
Ages18 Years to 60 Years
SexAll
SponsorFayoum University Hospital (other)
Locations1 site (Madīnat Al Fayyūm, Faiyum Governorate)
Trial IDNCT06398600 on ClinicalTrials.gov

What this trial studies

This study aims to compare the effectiveness of ultrasound-guided caudal block and quadratus lumborum plane block for postoperative pain management in patients undergoing elective lumbar spine fixation surgery. It will be a randomized, double-blind, controlled trial conducted at Fayoum University Hospital, where eligible patients will be randomly assigned to one of three groups: those receiving a caudal block, those receiving a quadratus lumborum plane block, and a control group with no block. The study will evaluate pain relief outcomes using a numerical pain rating score, ensuring that both patients and researchers remain blinded to group assignments.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18-60 undergoing elective lumbar spine fixation surgery with ASA physical status I-II.

Not a fit: Patients with contraindications to regional anesthesia, such as local infections or coagulation abnormalities, will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide improved pain management options for patients undergoing lumbar spine surgery, potentially reducing reliance on opioids.

How similar studies have performed: While the caudal block is a well-established technique, the quadratus lumborum plane block is a newer approach, and studies comparing these methods are limited, making this a novel investigation.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Adult patients (18-60 years old), of either gender undergoing elective lumbar spine fixation surgery.
2. Patients with American Society of Anesthesiologists (ASA) physical status I-II.

Exclusion Criteria:

1. Include patients who refuse.
2. Patients with contraindications to regional anesthesia (eg, local infection at site of injection, coagulation abnormalities).
3. Patients with spinal deformities or previous lumbar disc surgeries.
4. Allergy to local anesthetics, mental disorders as well as drug abuse.
5. BMI more than 35

Where this trial is running

Madīnat Al Fayyūm, Faiyum Governorate

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Spondylolisthesis, Facet Joint Hypertrophy, Spinal Canal Stenosis

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.