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CTRI Number  CTRI/2025/01/079146 [Registered on: 21/01/2025] Trial Registered Prospectively
Last Modified On: 03/01/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   comparison between external oblique intercostal plane block and erector spinae plane block in providing post operative analgesia in patients undergoing open hepatopancreatic and biliary surgeries 
Scientific Title of Study   External oblique intercostal plane block versus Erector spinae plane block for post operative analgesia in open hepatopancreatic biliary surgeries- a randomized control trial 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Kiran Premraj 
Designation  Senior Resident, Department of Anaesthesiology 
Affiliation  Institute of Liver and Biliary sciences 
Address  Department of Anaesthesiology, Institute of liver and biliary sciences, D1, Vasant Kunj, New Delhi

South West
DELHI
110070
India 
Phone  9567070594  
Fax    
Email  kiranpremraj1@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Gaurav Sindwani 
Designation  Associate Professor  
Affiliation  Institute of liver and biliary sciences 
Address  Department of Anaesthesiology, Institute of liver and biliary sciences, D1, Vasant Kunj, New Delhi

South West
DELHI
110070
India 
Phone  8728089898  
Fax    
Email  drsindwani25@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Kiran Premraj 
Designation  Senior resident, Department of anaesthesiology  
Affiliation  Institute of liver and biliary sciences 
Address  Department of Anaesthesiology, Institute of liver and biliary sciences, D1, Vasant Kunj, New Delhi

South West
DELHI
110070
India 
Phone  9567070594  
Fax    
Email  kiranpremraj1@gmail.com  
 
Source of Monetary or Material Support  
Institute of liver and biliary sciences, Sector D1, Vasant Kunj, New Delhi , Pin- 110070, Country- India, Country code- 91 
 
Primary Sponsor  
Name  Institute of liver and biliary sciences 
Address  Sector D1, Vasant Kunj, New Delhi , Pin- 110070, Country- India, Country code- 91 
Type of Sponsor  Research institution and hospital 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Kiran Premraj  Institute of liver and biliary sceinces  Room number - 14064,Department of anaesthesiology, Institute of liver and biliary sciences, Sector D1, Vasant Kunj, New Delhi , Pin- 110070, Country- India, Country code- 91
South West
DELHI 
9567070594

kiranpremraj1@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTE OF LIVER AND BILIARY SCIENCES, VASANTKUNJ  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Erector Spinae Plane block  Bilateral continuous erector Spinae Plane block under ultrasound guidance given intraoperatively with a bolus of Local anaesthetic and the infusion of local anaesthetic is continued in the postoperative period for 48 hours. 
Intervention  External Oblique intercostal plane block   Bilateral continuous External oblique intercostal plane block under ultrasound guidance is given intraoperatively with a bolus of Local anaesthetic and continued in the postoperative period as infusion for 48 hours. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Age 18-60 years , undergoing open hepatopancreatic and biliary surgery, who give consent 
 
ExclusionCriteria 
Details  Patient refusal
Infection at site of administration
Allergy to local anaesthetics
Insufficient comprehension of the use of Patient controlled Analgesia ( PCA) machine
Coagulopathy and thrombocytopenia (Platelet count less than 80,000/ microL )
 
 
Method of Generating Random Sequence   Permuted block randomization, fixed 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
To compare the postoperative fentanyl
consumption at 24 hours between the external oblique intercostal plane block and Erector spinae plane block groups 
upto 24 hours in the post operative period 
 
Secondary Outcome  
Outcome  TimePoints 

To compare the intraoperative IV fentanyl requirements in both the groups.
To compare the postoperative pain using NRS in both the groups
To compare the time of first rescue analgesia requirement in both the groups
To compare intraoperative fluid administered in both groups
To compare the rate of complications in both the groups (respiratory depression, nausea, vomiting, pruritis)
 
upto first 48 hours after surgery 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
Final Enrollment numbers achieved (Total)= "60"
Final Enrollment numbers achieved (India)="60" 
Phase of Trial   Phase 4 
Date of First Enrollment (India)   05/02/2025 
Date of Study Completion (India) 09/08/2025 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="0"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details
Modification(s)  
N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary   Hypothesis; external oblique intercostal plane block is as effective as erector spinae plane block in providing analgesia in patients undergoing open hepatopancreatic biliary surgeries

Study population - 60 patients undergoing open hepatopancreatic biliary surgeries

Group A- 30 patients- USG guided External oblique intercostal plane block.
Group B- 30 patients- USG guided Erector spinae plane block.
 
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