Perioperative Opioid-sparing Effect of Retrosuperior Costotransverse Ligament Block Versus Erector Spinae Block in Laparoscopic Cholecystectomy
1 other identifier
interventional
80
1 country
1
Brief Summary
This study aims to compare the analgesic effect of retro superior costotransverse ligament space block vs erector spinae plane block to Achieve high-quality perioperative opioid-sparing effect and postoperative analgesia after laparoscopic cholecystectomy with optimum hemodynamic stability and high patient and surgeon satisfaction
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Dec 2025
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 29, 2025
CompletedStudy Start
First participant enrolled
December 10, 2025
CompletedFirst Posted
Study publicly available on registry
December 11, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 10, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
July 10, 2026
December 12, 2025
November 1, 2025
6 months
November 29, 2025
December 11, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
The time to first call to rescue analgesia
The time to first call to rescue analgesia( the interval between the block injection till the NRS more than or equal 4) (naluphine) will be recorded
24 hours
Secondary Outcomes (7)
To assess block characteristics (block performance time)
1 hour
Total intraoperative fentanyl consumption
duration of surgery (up to 2 hours)
Pain intensity by Numerical Rating Scale
30 minutes after arrival to post anesthesia care unit , 2hours, 4hours, 6hours, 8hours, 12hours, 18 hours and 24hours postoperative
total amount of rescue analgesia
24 hours
Intraoperative hemodynamics (Heart Rate and Mean Arterial Pressure)
every 5 minutes in the first 30 minutes then every 10 minutes till the end of surgery
- +2 more secondary outcomes
Study Arms (2)
Retrosuperior costotransverse ligament block group
ACTIVE COMPARATORThe patient will receive retrosuperior costotransverse ligament block
Erector spinae block group
ACTIVE COMPARATORThe patient will receive erector spinae block.
Interventions
The patient will receive retrosuperior costotransverse ligament block
The patient will receive erector spinae block.
Eligibility Criteria
You may qualify if:
- patient acceptance
- Age: 21-64 years old.
- Sex: both sexes.
- Physical status: ASA I \& II.
- Body mass index (BMI): 18.5 - 30 kg/m2.
- Type of operations: elective laparoscopic cholecystectomy.
- Duration of surgery not more than 2 hours.
You may not qualify if:
- Known hypersensitivity to lidocaine or bupivacaine.
- Patients with respiratory insufficiency.
- Coagulation disorders or taking drugs affect surgical hemostasis.
- \. Patients with pre-existing neurological deficits. 8. Uncooperative patient or with altered mental status. 9. Patient with advanced cardiovascular or respiratory diseases
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Faculty of human medicine, Zagazig university, Zagazig
Zagazig, Egypt
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, OUTCOMES ASSESSOR
- Masking Details
- anesthesiologist not sharing in the study will assess outcomes
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER GOV
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate professor
Study Record Dates
First Submitted
November 29, 2025
First Posted
December 11, 2025
Study Start
December 10, 2025
Primary Completion (Estimated)
June 10, 2026
Study Completion (Estimated)
July 10, 2026
Last Updated
December 12, 2025
Record last verified: 2025-11
Data Sharing
- IPD Sharing
- Will not share