Comparing two pain relief techniques for lower abdominal surgery

Comparison Between the Analgesic Effects of Ultrasound-guided Unilateral Quadratus Lumborum Block (lateral Approach) Versus Erector Spinae Plane Block in Patients Undergoing Unilateral Lower Abdominal Surgery

Not applicable Interventional Fayoum University Hospital · NCT05524038

This study is testing which pain relief method works better for adults having lower abdominal surgery: the Quadratus Lumborum Block or the Erector Spinae Plane Block.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment48 (estimated)
Ages18 Years to 60 Years
SexAll
SponsorFayoum University Hospital Academic / other
Locations1 site (Al Fayyūm, Fayoum Governorate)
Trial IDNCT05524038 on ClinicalTrials.gov

What this trial studies

This study aims to compare the analgesic effects of the Quadratus Lumborum Block and the Erector Spinae Plane Block in adults undergoing lower abdominal surgeries. Conducted at Fayoum University Hospital, the trial involves preoperative assessments, randomization, and the use of ultrasound-guided techniques for administering local anesthetics. Participants will be monitored throughout the procedure to evaluate pain relief and overall effectiveness of the interventions. The study is designed to provide insights into which technique offers better pain management for patients.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18-60 scheduled for elective abdominal surgeries with ASA classification I or II.

Not a fit: Patients with coagulation disorders, skin infections at the injection site, or those with a known allergy to local anesthetics may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved pain management strategies for patients undergoing lower abdominal surgeries.

How similar studies have performed: Other studies have shown promising results with similar analgesic techniques, indicating potential for success in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients age 18-60 years old.
* Patients scheduled for elective abdominal surgeries
* ASA classification I, II.
* Ability to sign the consent.

Exclusion Criteria:

* Patient refusal.
* Coagulation disorders.
* Skin lesions or infection at site of proposed needle.
* Known allergy to local anesthetics, or opioids.
* Patients suffering from neurological or mental disease.
* Opioid consumption 48 hours before the operation.
* Sever Obesity body mass index(BMI) \>35
* Difficulty in Ultrasonographic identification.

Where this trial is running

Al Fayyūm, Fayoum 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.
Conditions Lower Abdominal SurgeryQuadratus LumborumErecto Spinae plane
Last reviewed 2026-06-15 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.