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CTRI Number  CTRI/2025/03/082175 [Registered on: 12/03/2025] Trial Registered Prospectively
Last Modified On: 11/03/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparing the Effectiveness of Two Pain Relief Methods After Lumbar Spine Surgery: Ultrasound-guided mTLIP Block vs MTP Block  
Scientific Title of Study   Comparative Evaluation of Post-operative analgesic efficacy of Ultrasound-guided Modified Thoraco lumbar interfascial plane (mTLIP) block with Mid -transverse process to pleura (MTP) block in patients undergoing lumbar spine surgeries : A Prospective Randomised Observer Blinded 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 Rafat Shamim  
Designation  Associate professor  
Affiliation  Sanjay Gandhi Post graduate institute of medical science  
Address  Dr Rafat Shamim Associate professor Department of Anesthesiology SGPGIMS LUCKNOW

Lucknow
UTTAR PRADESH
226014
India 
Phone  917839127067  
Fax    
Email  shamim.shamim15@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Meenakshi K  
Designation  Junior resident  
Affiliation  Sanjay Gandhi Post graduate institute of medical science  
Address  M1 903, Sanjay Gandhi Post graduate institute of medical science and research centre
39/45 Veerapandian street Perambur Chennai Tamilnadu-600039
Lucknow
UTTAR PRADESH
226014
India 
Phone  9952988408  
Fax    
Email  meenalatha96@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Rafat Shamim  
Designation  Associate professor  
Affiliation  Sanjay Gandhi Post graduate institute of medical science  
Address  Dr Rafat Shamim Associate professor Department of Anesthesiology SGPGIMS LUCKNOW

Lucknow
UTTAR PRADESH
226014
India 
Phone  917839127067  
Fax    
Email  shamim.shamim15@gmail.com  
 
Source of Monetary or Material Support  
None  
 
Primary Sponsor  
Name  SGPGIMS  
Address  Sanjay Gandhi Post graduate institute of medical science  
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 Rafat Shamim   Sanjay gandhi post graduate institute of medical science  Apex trauma centre, OT complex, First floor, Department of Anaesthesiology Sanjay Gandhi Post graduate institute of medical science
Lucknow
UTTAR PRADESH 
7839127067

shamim.shamim15@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethical committee SGPGI   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  Mid transverse process to pleural block   Mid transverse process to pleural block is given to patients undergoing lumbar spine surgery surgery and their post operative fentanyl consumption in 48 hours is calculated. 
Comparator Agent  Modified thoracolumbur interfacial plane block   Modified thoracolumbur interfacial plane intercostal plane block given to patients undergoing lumbar spine surgery and post operative fentanyl consumption in 48 hours is calculated. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  1.Patient who had given written informed consent
2. Patients belonging to ASA grade I and II

 
 
ExclusionCriteria 
Details  1.Patients who has refused to undergo this study.
2.ASA grade III and IV
3.Pregnant females
4.Patient who are allergic to local anesthetics
5.Patients with abnormal coagulation profile
6.Patients who have active skin infection at injection site
7.Patients with neuromuscular disorder
8. Patients with pre-existing autoimmune diseases
9.Patient with cognitive impairment, delirium and dementia 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Total fentanyl consumption in 48 hours by use of IV Patient Controlled
Analgesia. 
48 hours 
 
Secondary Outcome  
Outcome  TimePoints 
1.Static & Dynamic Pain assessment by Mean NRS (Numeric Rating Scale)
2.Patient satisfactory score
3.Post operative nausea & vomiting
4.Block Procedure Time
5. Total rescue analgesia used in 48 hours
 
48h ours 
 
Target Sample Size   Total Sample Size="74"
Sample Size from India="74" 
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)   08/04/2025 
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="0"
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   Approximately 50% of lumbar spine surgery patients experience severe post-operative pain. Pain can
lead to various complications such as prolonged immobilization and the need for prolonged opioid use.Various modalities
can be used for post-operative pain management like opioids, epidural and various blocks.None of the studies compared
mTLIP block with MTP block in lumbar spine surgeries to the best of our knowledge.Therefore we wish to compare the post
op analgesic efficacy of mTLIP block and MTP block. Our aim comparison of the post operative analgesic efficacy of
ultrasound guided Modified Thoraco lumbar interfascial plane (mTLIP) block with Mid -transverse process to pleura (MTP)
block who are undergoing lumbar spinal surgery under general anesthesia (GA). Our primary objective total fentanyl
consumption in 48 hours by use of IV Patient Controlled Analgesia. Secondary Objectives are Static and Dynamic Pain
assessment by Mean NRS (Numeric Rating Scale), Patient satisfactory score, Post operative nausea and vomiting, Block
Procedure Time, Total rescue analgesia used in 48 hours In our study patients will be randomly divided into two groupsmTLIP and MTP group Standard ASA monitors will be attached and GA will be given.Ventilator settings will be adjusted to
maintain ETCO2 33-36mmHg.Subject will be positioned prone Group mTLIP - a curvilinear low frequency probe is placed in
the transverse orientation at the midline at the level of the iliac crest and is moved laterally until the longissimus and
iliocostalis muscles and in the plane between these two muscle 20mL of 0.2% ropivacaine will be injected Group MTPlinear US probe to be placed in the parasagittal position 3 cm away from midline, needle will be advanced to the mid-point
between the transverse process and the pleura and 20mL of 0.2% ropivacaine will be injected.Block will be placed
bilaterally.Total amount of fentanyl consumption will be observed.
 
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