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CTRI Number  CTRI/2025/09/094255 [Registered on: 04/09/2025] Trial Registered Prospectively
Last Modified On: 03/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   A study to compare two types of pain relief injections namely Thoracolumbar Interfascial plane block and Erector Spinae plane block after lower back surgery 
Scientific Title of Study   A randomised controlled study to compare the efficacy of post-operative analgesia with Thoracolumbar Interfascial plane block and bilateral Erector Spinae plane block following Posterior Lumbar Interbody fusion 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  Dr Anubhav Mohanty 
Designation  Junior Resident 
Affiliation  Bharati vidyapeeth deemed to be university 
Address  Department of Anaesthesia,Bharati vidyapeeth deemed to be university,dhankawadi,pune

Pune
MAHARASHTRA
411043
India 
Phone  8249626284  
Fax    
Email  anubhavmohanty1998@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Kalyani Patil 
Designation  Professor 
Affiliation  Bharati vidyapeeth deemed to be university 
Address  Department of Anaesthesia,Bharati vidyapeeth deemed to be university,dhankawadi,pune

Pune
MAHARASHTRA
411043
India 
Phone  9673400066  
Fax    
Email  kalyanish19@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Kalyani Patil 
Designation  Professor 
Affiliation  Bharati vidyapeeth deemed to be university 
Address  Department of Anaesthesia,Bharati vidyapeeth deemed to be university,dhankawadi,pune


MAHARASHTRA
411043
India 
Phone  9673400066  
Fax    
Email  kalyanish19@gmail.com  
 
Source of Monetary or Material Support  
Bharati hospital and research Centre, Bharati vidyapeeth deemed to be university campus,Dhankawadi,Pune,Maharashtra,India,411043 
 
Primary Sponsor  
Name  Bharati hospital and research centre 
Address  Bharati vidyapeeth deemed to be university,dhankawadi,pune,411043 
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 Anubhav Mohanty  Bharati hospital and research centre  Department of Anaesthesia,3rd floor,Bharati hospital and research centre,Dhankawadi,Pune,Maharashtra,411043
Pune
MAHARASHTRA 
8249626284

anubhavmohanty1998@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Bharati Vidyapeeth Institutional Ethical Committe  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  NIL  NIL 
Comparator Agent  Ultrasound guided bilateral Erector Spinae plane block (ESPB) block using 0.375% ropivacaine (20 ml per side)  ESPB block will be performed under ultrasound guidance using 0.375% ropivacaine (20 ml per side) after surgical closure and before extubation. ESPB will be given at the lumbar transverse process beneath the erector spinae muscle. The procedure will be done in the prone position, with blinded postoperative assessment. Rescue analgesia with intravenous paracetamol (1 g) will be provided if NRS pain scores exceed 3, and consumption will be recorded. 
Comparator Agent  Ultrasound guided Thoracolumbar Interfascial Plane (TLIP) block using 0.375% ropivacaine (20 ml per side)  TLIP block will be performed under ultrasound guidance using 0.375% ropivacaine (20 ml per side) after surgical closure and before extubation.TLIP will be administered between the multifidus and longissimus muscles. The procedure will be done in the prone position, with blinded postoperative assessment. Rescue analgesia with intravenous paracetamol (1 g) will be provided if NRS pain scores exceed 3, and consumption will be recorded. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Adults with ASA I-III
Patients undergoing elective one or two level posterior lumbar interbody fusion surgery  
 
ExclusionCriteria 
Details  Contraindication to regional block such as coagulopathy and infection at the block site
History of opioid abuse
History of allergy to any drugs like local anesthetics and non-steroidal anti-inflammatory drugs 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   On-site computer system 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Efficacy of recovery of postoperative analgesia with thoracolumbar interfacial plane block and bilateral erector spinae plane block following posterior lumbar interbody fusion spine surgery using NRS score   Efficacy of recovery of postoperative analgesia with thoracolumbar interfacial plane block and bilateral erector spinae plane block following posterior lumbar interbody fusion spine surgery using NRS score at 4,8,12 and 24hrs postoperative 
 
Secondary Outcome  
Outcome  TimePoints 
24hr recovery profile in patient receiving thoracolumbar interfacial plane block and bilateral erector spinae plane block following posterior lumbar interbody fusion spine surgery using QoR-15 questionnaire  Recovery profile in patient receiving thoracolumbar interfacial plane block and bilateral erector spinae plane block following posterior lumbar interbody fusion spine surgery using QoR-15 questionnaire at 24hrs postoperative 
 
Target Sample Size   Total Sample Size="66"
Sample Size from India="66" 
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)   15/09/2025 
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   This randomized controlled study aims to compare the efficacy of thoracolumbar interfascial plane (TLIP) block and bilateral erector spinae plane (ESPB) block for postoperative analgesia in patients undergoing posterior lumbar interbody fusion (PLIF) spine surgery. After obtaining approval from institutional ethical committee and informed consent from the patients , a total no. of 66 adult patients (ASA I–III, aged 18–60 years) will be randomly allocated into two groups, receiving either ESPB or TLIP block under ultrasound guidance with 0.375% ropivacaine after surgical closure and before extubation. Allocation will be concealed, and postoperative assessments will be blinded. The primary outcome is postoperative pain relief measured using the Numerical Rating Scale (NRS) at 2, 8, and 24 hours, while secondary outcomes include quality of recovery assessed with the QoR-15 questionnaire, total rescue analgesic consumption, and time to first rescue dose. Intravenous paracetamol will be used as rescue analgesia when NRS exceeds 3. The study seeks to determine the more effective block technique for improving postoperative pain control and recovery in lumbar spine surgeries. 
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