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CTRI Number  CTRI/2025/04/085678 [Registered on: 25/04/2025] Trial Registered Prospectively
Last Modified On: 25/04/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Pain relief after liver donor surgery comparing 2 methods of pain management. 
Scientific Title of Study   Comparison of postoperative analgesia with continuous bilateral erector spinae block versus single dose intrathecal morphine in patients undergoing robotic donor hepatectomy  
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Lakshmi Kumar 
Designation  Professor and Head 
Affiliation  Amrita Institute of Medical Sciences 
Address  Department of Anaesthesia and Critical care ower 6 Floor 1 AIMS Kochi 682041

Ernakulam
KERALA
682041
India 
Phone  9496211333  
Fax  914842852020  
Email  lakshmi.k.238@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Lakshmi Kumar 
Designation  Professor and Head 
Affiliation  Amrita Institute of Medical Sciences 
Address  Department of Anaesthesia and Critical care Tower 6 Floor 1 AIMS Kochi 682041

Ernakulam
KERALA
682041
India 
Phone  9496211333  
Fax  914842852020  
Email  lakshmi.k.238@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Sreekanth Balagopal 
Designation  Fellow Transplant Anaesthesia 
Affiliation  Amrita Institute of Medical Sciences 
Address  Department of Anaesthesia and Critical care Tower 6 Floor 1 Amrita Institute of Medical Sciences Kochi

Ernakulam
KERALA
682041
India 
Phone  7975936468  
Fax  914842852020  
Email  drsreekanthbalagopal@gmail.com  
 
Source of Monetary or Material Support  
Amrita Institute of Medical Sciences 
 
Primary Sponsor  
Name  Amrita Institute Of Medical Sciences 
Address  Edapally Kochi 682041 
Type of Sponsor  Private medical college 
 
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 Lakshmi Kumar  Amrita Institute Of Medical Sciences  Department of Anaesthesia and Critical care Tower 6 Floor 1 Kochi 682041
Ernakulam
KERALA 
9496211333
914842852020
lakshmi.k.238@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
AIMS Ethics Committee  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 
Intervention  Bilateral ESP catheters at T7 placed after anaesthesia  20 ml of 0.2% ropivacaine with 2 mg dexamethasone on each side after intubation Repeated 8th hourly  
Comparator Agent  Intrathecal morphine at 0.2 mcg/kg not exceeding 200 mcg  Single dose of intra-thecal morphine 2 mcg/kg not exceeding 200 mcg given at L3-4 space with 25 G spinal needle before anaesthesia 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  ASA I and II volunatry donors for right lobe liver donation by robotic surgery 
 
ExclusionCriteria 
Details  1.Patient refusal
2.Any contraindication for ESP Block or thoracic epidural
3.Allergic to local anaesthetics
4.BMI more 30
5.Previous spine surgeries or spine deformity 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Intraoperative analgesic requirement   Time taken for surgery in hours 
 
Secondary Outcome  
Outcome  TimePoints 
1. Intraoperative HR and MAP at specified time points
2. Post-operative analgesic consumption in 24 h
3. NRS and OPS 6th hrly in the ICU
4. HR and MAP 6th hrly in ICU
 
Intra-op time points
1. T0 Port Insertion
2. T10 10 minutes after pnuemoperitoneum
3. Tpf Pfannenstiel incision
4. Tg Graft retrieval
5. Tc Closure
6. Te end of surgery
Post-op time points
1. At shifting to ICU
2. T6, T 12, T 18 and T24 h
3. T IC Incentive spirometry
4. T a Ambulation
 
 
Target Sample Size   Total Sample Size="50"
Sample Size from India="50" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   Phase 1 
Date of First Enrollment (India)   19/05/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="0"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary   Central neuraxial blockade with opioid is a very simple intervention for pain management. We sought to evaluate if an intrathecal injection of opioid produced superior or comparable results to bilateral erector spiane plane blocks with catheters in robotic donor hepatectomy. 
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