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CTRI Number  CTRI/2026/03/106127 [Registered on: 13/03/2026] Trial Registered Prospectively
Last Modified On: 13/03/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Pain relief after Thoracolumbar spine surgery in adults : A Randomised study comparing Thoracolumbar Interfascial Plane (TLIP) block and Erector Spinae Plane block (ESPB) .  
Scientific Title of Study   The Analgesic Efficacy of Thoracolumbar Interfascial Plane block (TLIP) versus Erector Spinae Plane block (ESPB) for Thoracolumbarspine surgeries – A Randomised controlled study 
Trial Acronym  nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Vasudev shenoy  
Designation  Junior Resident 
Affiliation  All India Institute Of Medical Sciences, Bhopal 
Address  Department of Anesthesiology, AIIMS Bhopal, Saket Nagar, 462020

Bhopal
MADHYA PRADESH
462020
India 
Phone  7022278966  
Fax    
Email  kvasudevshenoy@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Vaishali Waindeskar 
Designation  Professor  
Affiliation  All India Institute Of Medical Sciences, Bhopal 
Address  Department of Anesthesiology, AIIMS Bhopal, Saket Nagar, 462020

Bhopal
MADHYA PRADESH
462020
India 
Phone  9575604490  
Fax    
Email  vaishali.anesth@aiimsbhopal.edu.in  
 
Details of Contact Person
Public Query
 
Name  Vaishali Waindeskar 
Designation  Professor  
Affiliation  All India Institute Of Medical Sciences, Bhopal 
Address  Department of Anesthesiology, AIIMS Bhopal, Saket Nagar, 462020

Bhopal
MADHYA PRADESH
462020
India 
Phone  9575604490  
Fax    
Email  vaishali.anesth@aiimsbhopal.edu.in  
 
Source of Monetary or Material Support  
All India Institute of Medical Sciences Bhopal, Saket Nagar , Bhopal , Madhya pradesh, India - 462020 (non funded) 
 
Primary Sponsor  
Name  Dr Vaishali Waindeskar 
Address  Department of Anesthesiology, AIIMS Bhopal, Saket Nagar, 462020 
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 Vasudev shenoy  AIl India Institute of medical sciences , Bhopal  Modular Operation Theatre, Department Of Anesthesiology, AIIMS Bhopal , Bhopal MADHYA PRADESH
Bhopal
MADHYA PRADESH 
7022278966

kvasudevshenoy@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
AIIMS Bhopal Institutional Human Ethics Comittee- student research (IHEC-SR)  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M539||Dorsopathy, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  ultra sound guided Erector Spinae Plane block for adult patients undergoing thoracolumbar spine surgeries under GA  All patients will receive standard general anaesthesia followed by bilateral Erector spinae block using 20 ml of 0.25% levobupivacaine with 1 ug/kg of dexmedetomidine. (20ml each side ) The block will given prior to incision and patient handover will be given 20 minutes after the block is given .  
Intervention  Ultra sound guided Thoracolumbar Interfascial Plane block in adult patients undergoing thoracolumbar spine surgeries under GA  All patients will receive standard general anaesthesia followed by bilateral Thoracolumbar interfascial plane block using 20 ml of 0.25% levobupivacaine with 1ug/kg of dexmedetomidine . (20ml each side ) The block will given prior to incision and patient handover will be given 20 minutes after the block is given . 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  18-65 years of age of any sex, ASA(American Society of Anaesthesiologists classification of Physical Status) I-II, scheduled for less than four level lumbar spine surgeries, in which the plan of anaesthesia is GA plus Regional block. Type of surgeries could include but are not restricted to:-
1. Single level laminectomy/laminotomy
2. Lumbar decompression surgeries
3. Posterior lumbar interbody fusion
4. Prolapsed intervertebral disc
5. Single level Microdiscectomy
 
 
ExclusionCriteria 
Details  Patient’s refusal to the block procedure
Contraindication to regional technique e.g., allergy to local anaesthetic drugs, block site, infection, coagulation disorders.
Body mass index>35 kg/m2
Pregnancy
Physical or mental disorders that would interfere with the evaluation of pain
Patients with skin lesions due to any disease
Patient on anti–epileptic drugs/ enzyme inducers as it would affect the metabolism of drugs
Local inflammation
 
 
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 
Duration of analgesia – defined by the time for first rescue analgesia after extubation   2,6,12,24, 48 hours after surgery  
 
Secondary Outcome  
Outcome  TimePoints 
1. Visual analogue score (VAS) at 2,6,12 and 24 , 48 hours at rest (supine position)and at activity defined as coughing
2. Total Intraoperative consumption of Fentanyl in mcg
3. Total postoperative Tramadol consumption till 48 hrs.
4. Patient satisfaction score (Likert score ) evaluated at 48 hrs
 
2,6,12,24, 48 hours after surgery  
 
Target Sample Size   Total Sample Size="70"
Sample Size from India="70" 
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 4 
Date of First Enrollment (India)   15/04/2026 
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 Yet Recruiting 
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  

 

Surgical management is commonly required for degenerative and traumatic disorders of the thoracolumbar spine, with postoperative pain presenting as a frequent and significant challenge. The erector spinae plane (ESP) block, involves injection of local anesthetic beneath the erector spinae muscle while  the thoracolumbar interfascial plane (TLIP) block targets the plane between the longissimus and multifidus muscles and primarily attenuates pain via blockade of the dorsal rami . Participants  will be divided into 2 groups - Group EP : All patients will receive standard general anaesthesia followed by bilateral Erector spinae block using 20 ml of 0.25% levobupivacaine with 1 ug/kg of dexmedetomidine. (20ml each side )Group TP : All patients will receive standard general anaesthesia followed by bilateral Thoracolumbar interfascial plane block using 20 ml of 0.25% levobupivacaine with 1ug/kg of dexmedetomidine . (20ml each side ) .primary and secondary outcomes will be measured at 2,6,12,24,4 hours .

 
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