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CTRI Number  CTRI/2025/09/094863 [Registered on: 16/09/2025] Trial Registered Prospectively
Last Modified On: 16/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A clinical trial to compare two nerve blocks which will be performed under ultrasound guidance among patients undergoing spine surgery and its efficiency in reducing pain and its efficacy in reducing the requirement of other pain relieving medications are compared 
Scientific Title of Study   Comparison of Ultrasound guided modified thoracolumbar interfascial plane block versus erector spinae plane block for pain relief among patients undergoing spine surgery  
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  R Keerthana 
Designation  Junior Resident  
Affiliation  Jawaharlal Institute of Postgraduate Medical Education and Research ( JIPMER ) 
Address  Department of Anaesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research ( JIPMER ), JIPMER Campus Road, Gorimedu, Dhanvantari Nagar, Puducherry.

Pondicherry
PONDICHERRY
605006
India 
Phone  9080859542  
Fax    
Email  keerthanarj24@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  N Ramya 
Designation  Assistant Professor and Guide 
Affiliation  Jawaharlal Institute of Postgraduate Medical Education and Research ( JIPMER ) 
Address  Department of Anaesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research ( JIPMER ), JIPMER Campus Road, Gorimedu, Dhanvantari Nagar, Puducherry.

Pondicherry
PONDICHERRY
605006
India 
Phone  9786668202  
Fax    
Email  dr.ramyaa@gmail.com  
 
Details of Contact Person
Public Query
 
Name  N Ramya 
Designation  Assistant Professor and Guide 
Affiliation  Jawaharlal Institute of Postgraduate Medical Education and Research ( JIPMER ) 
Address  Department of Anaesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research ( JIPMER ), JIPMER Campus Road, Gorimedu, Dhanvantari Nagar, Puducherry.

Pondicherry
PONDICHERRY
605006
India 
Phone  9786668202  
Fax    
Email  dr.ramyaa@gmail.com  
 
Source of Monetary or Material Support  
Jawaharlal Institute of Postgraduate Medical Education and Research ( JIPMER ), JIPMER Campus Road, Gorimedu, Dhanvantari Nagar, Puducherry, 605006. 
 
Primary Sponsor  
Name  R Keerthana  
Address  Junior Resident, Department of Anaesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research ( JIPMER ), JIPMER Campus Road, Gorimedu, Dhanvantari Nagar, Puducherry, 605006. 
Type of Sponsor  Other [Self] 
 
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 R Keerthana  Jawaharlal Institute of Postgraduate Medical Education and Research ( JIPMER )  Jawaharlal Institute of Postgraduate Medical Education and Research ( JIPMER ), JIPMER Campus Road, Gorimedu, Dhanvantari Nagar, Puducherry, 605006.
Pondicherry
PONDICHERRY 
9080859542

keerthanarj24@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTE ETHICS COMMITTEE ( HUMAN STUDIES) JIPMER   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  Ultrasound guided Erector spinae plane block   Ultrasound guided Erector spinae plane block will be performed on either side with 20ml of 0.25% Bupivacaine with 8mg Dexamethasone  
Intervention  Ultrasound guided modified thoracolumbar interfascial plane block  Ultrasound guided modified thoracolumbar interfascial plane block will be performed on either side with 20ml of 0.25% Bupivacaine with 8mg Dexamethasone  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Patients with ASA physical status I and II scheduled for lumbar level laminectomy or lumbar level decompression with or without posterior instrumentation  
 
ExclusionCriteria 
Details  1. Patients with BMI more than 30kg/m2
2. Patients with Coagulopathy
3. Patients with local site infections
4. Patients who are allergic to local anesthetic drugs
5. Patient with psychiatric problems
6. Patients with neurological and neuromuscular disorders  
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare postoperative level of pain using VAS score between ultrasound guided modified thoracolumbar interfascial plane block and ultrasound guided erector spinae plane block among patients undergoing spine surgery   Pain will be measured at 0, 2, 4, 8, 16 and 24 hours postoperatively 
 
Secondary Outcome  
Outcome  TimePoints 
To compare the total opioid consumption in intraoperative period between the two groups  Intraoperative period 
To compare the total opioid consumption in the postoperative period between the two groups   Postoperative period ( first 24 hours ) 
To compare the time to first rescue analgesia between the two groups  Postoperative period ( first 24 hours ) 
To compare the patient satisfaction score between the two groups   Postoperative period ( at the end of 24 hours ) 
 
Target Sample Size   Total Sample Size="48"
Sample Size from India="48" 
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   N/A 
Date of First Enrollment (India)   03/10/2025 
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="1"
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   This study is a randomized, double blinded, parallel group, single-centre trial comparing ultrasound guided modified Thoracolumbar interfascial plane block with ultrasound guided Erector spinae plane block for pain relief in patients undergoing spine surgery. The primary outcome is to compare the postoperative pain scores at six defined time points between two groups. The secondary outcomes will be to compare intraoperative and postoperative ( first 24 hours) total opioid consumption, time to first rescue analgesia and patient satisfaction scores. 
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