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CTRI Number  CTRI/2025/04/084446 [Registered on: 09/04/2025] Trial Registered Prospectively
Last Modified On: 18/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Ultrasound guided Transforaminal epidural injection for Pain relief in patients of Lower Back Pain 
Scientific Title of Study   Comparison between parasagittal oblique approach and axial approach of ultrasound guided technique in transforaminal epidural injection: A Randomized Controlled 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  Jyotsna Punj 
Designation  Professor 
Affiliation  All India Institute of Medical Sciences, New Delhi 
Address  Department of Anesthesiology, Pain Medicine and Critical Care, Room no 5016, Academic BLock, All India Institute of Medical Sciences, Ansari Nagar, South Delhi

South
DELHI
110029
India 
Phone  9810191116  
Fax    
Email  jyotsna_punj@yahoo.com  
 
Details of Contact Person
Scientific Query
 
Name  Jyotsna Punj 
Designation  Professor 
Affiliation  All India Institute of Medical Sciences, New Delhi 
Address  Department of Anesthesiology, Pain Medicine and Critical Care, Room no 5016, Academic BLock, All India Institute of Medical Sciences, Ansari Nagar, South Delhi

South
DELHI
110029
India 
Phone  9810191116  
Fax    
Email  jyotsna_punj@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Harsh Mittal 
Designation  Junior Resident 
Affiliation  All India Institute of Medical Sciences, New Delhi 
Address  Department of Anaesthesiology, Pain Medicine and Critical Care, AIIMS, Ansari Nagar, South Delhi

South
DELHI
110029
India 
Phone  9971293017  
Fax    
Email  hmittalyo@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology Pain Medicine and Critical Care AIIMS New Delhi 
 
Primary Sponsor  
Name  Jyotsna Punj 
Address  Room no 5016, Academic Block, All India Institute of Medical Sciences, New Delhi-110029 
Type of Sponsor  Other [Self] 
 
Details of Secondary Sponsor  
Name  Address 
Department of Anaesthesiology Pain Medicine and Critical Care AIIMS New Delhi  All India Institute of Medical Sciences, New Delhi-110029 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Jyotsna Punj  AIIMS, New Delhi  Department of Anesthesiology, Pain Medicine and Critical Care, Room no 5016, Academic BLock, All India Institute of Medical Sciences, Ansari Nagar, South Delhi
South
DELHI 
9810191116

jyotsna_punj@yahoo.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Ethics Committee, AIIMS, Delhi  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: G55||Nerve root and plexus compressionsin diseases classified elsewhere,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Axial in-plane Approach of Transforaminal Epidural Injection  The ultrasound probe will be used to scan the midline of the vertebral column. After that the probe will be kept in the axial plane, and the needle will be advanced in an in-plane approach to give a transforaminal epidural infection. 
Intervention  Parasagittal Oblique out-of-plane Approach of Transforaminal Epidural Injection  The ultrasound probe will be used to scan the midline of the vertebral column. After that the probe will be kept in the parasagittal plane, tilted 20-25 degrees medially, and the needle will be advanced in an out-of-plane approach to give a transforaminal epidural infection. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  Diagnosed case of unilateral lumbosacral radicular pain not involving more than 2 dermatomes at either levels of L3 L4 L5, ASA I and II, Pain lasting more than three months, NRS more than 5 after administrating medical management 
 
ExclusionCriteria 
Details  patient with any known allergy to local anesthesia, pregnancy, neurological or psychiatric disease on concurrent medication, local site infection/sepsis/bacteremia, coagulation disorder, spinal tumors/spinal tuberculosis/spinal deformity, symptoms of severe nerve damage including motor paralysis/muscle atrophy/peripheral neuropathy/arterial vascular disease/malignancy/cauda equina syndrome 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
To see dye spread pattern through both approaches  immediately after intervention 
 
Secondary Outcome  
Outcome  TimePoints 
To note the needle tip positioning  immediately after completion of intervention 
Time to Procedure (scanning & needling)  immediately after completion of intervention 
 
Target Sample Size   Total Sample Size="62"
Sample Size from India="62" 
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 2/ Phase 3 
Date of First Enrollment (India)   21/04/2025 
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="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
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  

Transforaminal Epidural Injection is used for pain relief in patients of radicular lumbosacral pain under fluoroscopic guidance.(1) Fluoroscopy has various limitations like requirement of specialized equipments, technical staff and risk of radiation exposure. If the procedure can be done under USG guidance, then it would reduce radiation exposure and cost of procedure.  USG guided Transforaminal epidural injection has been tried in both axial and parasagittal oblique approach with fluoroscopic or CT confirmation.(2) Previously both techniques have not been compared with respect to dye spread. Therefore this study aims to compare the dye spread pattern of the two approaches.

1.            Patel K, Chopra P, Martinez S, Upadhyayula S. Epidural Steroid Injections. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 [cited 2024 Nov 10]. Available from: http://www.ncbi.nlm.nih.gov/books/NBK470189/

2.            Soni P, Punj J. Ultrasound-Guided Lumbar Transforaminal Epidural Injection: A Narrative Review. Asian Spine J. 2021 Apr;15(2):261–70.

 
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