Comparing two pain relief techniques for kidney surgery

Analgesic Efficacy of Ultrasound-guided External Oblique Intercostal Plane Block Versus Posterior Transversus Abdominis Plane Block in Patients Undergoing Open Nephrectomy: A Randomized Double-blinded Comparative Study

Not applicable Interventional Cairo University · NCT06892743

This study is testing two different pain relief methods for kidney surgery to see which one helps patients feel better and need fewer pain medications after their operation.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment56 (estimated)
Ages18 Years to 70 Years
SexAll
SponsorCairo University Academic / other
Locations2 sites (Maadi, Cairo Governorate and 1 other locations)
Trial IDNCT06892743 on ClinicalTrials.gov

What this trial studies

This study evaluates the effectiveness of two ultrasound-guided nerve block techniques, the external oblique intercostal plane block (EOIPB) and the posterior transversus abdominis plane block, in managing postoperative pain for patients undergoing open nephrectomy due to renal cell carcinoma. The aim is to determine which technique provides better analgesia and reduces the need for opioids, thereby minimizing side effects and improving recovery outcomes. Patients will be monitored for pain levels and any complications following surgery.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 to 65 with renal carcinoma scheduled for open nephrectomy and classified as ASA class II-III.

Not a fit: Patients with hepatic or renal insufficiency, unstable cardiovascular or pulmonary disease, or those on regular opioid consumption 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 kidney surgery, enhancing recovery and reducing reliance on opioids.

How similar studies have performed: Other studies have shown promising results with ultrasound-guided nerve blocks for postoperative pain management, indicating that this approach is gaining traction in clinical practice.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients whom diagnosed as having renal carcinoma and scheduled for open nephrectomy under general anesthesia.
* ASA class II- III.
* Age ≥ 18 and ≤ 65 years.
* Body mass index (BMI) less than 40kg/m2.

Exclusion Criteria:

* 1\. Patient refusal. 2. Hepatic and renal insufficiency. 3. Unstable cardiovascular or pulmonary disease. 4. History of psychiatric and cognitive disorders. 5. Patients with known sensitivity or contraindications to the drug used. 6. Patients on regular opioid consumption.

Where this trial is running

Maadi, Cairo Governorate and 1 other locations

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 Postoperative Pain
Last reviewed 2026-06-09 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.