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CTRI Number  CTRI/2023/10/059336 [Registered on: 31/10/2023] Trial Registered Prospectively
Last Modified On: 26/10/2023
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Multiple Arm Trial 
Public Title of Study   Comparison of the analgesic efficacy of ultrasound guided two nerve blocks in patients with chronic neck pain. 
Scientific Title of Study   Comparison of Clinical efficacy of Ultrasound guided Selective Nerve Root Block versus Ultrasound guided Retro- Laminar Cervical block in Patients with Cervical radiculopathy- A randomized control 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  Siddani Jaya Sai Satya Sivani 
Designation  Junior Resident 
Affiliation  Jawaharlal Institute of Postgraduation and Medical Education and Research 
Address  Department of Anaesthesiology and Critical care, JIPMER, Dhanvanthri nagar, PONDICHERRY.

Pondicherry
PONDICHERRY
605006
India 
Phone  7680820646  
Fax    
Email  satyasivanisiddani@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Adinarayan S 
Designation  Additional Professor 
Affiliation  Jawaharlal Institute of Postgraduation and Medical Education and Research 
Address  Department of Anaesthesiology and Critical care, JIPMER, Dhanvanthri nagar, PONDICHERRY

Pondicherry
PONDICHERRY
605006
India 
Phone  9442396762  
Fax    
Email  adinarayanans@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Adinaryanan S 
Designation  Additional Profesor 
Affiliation  Jawaharlal Institute of Postgraduation and Medical Education and Research 
Address  Department of Anaesthesiology and Critical care, JIPMER, Dhanvanthri nagar, PONDICHERRY

Pondicherry
PONDICHERRY
605006
India 
Phone  944239762  
Fax    
Email  adinarayanans@gmail.com  
 
Source of Monetary or Material Support  
Jawaharlal Institute of postgraduate and Medical Education and Research, Gorimedu, Pondicherry, 605006. 
 
Primary Sponsor  
Name  Jawaharlal Institute of Postgraduate and Medical Research 
Address  Jipmer campus Road, Jipmer campus, Dhanvanthri Nagar, Puducherry, 605006. 
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 Siddani Jaya Sai Satya Sivani  Jawaharlal Institute of Postgraduate Medical Education and Research   2nd floor, Institute block,Department of Anaesthesiology and Critical care.
Pondicherry
PONDICHERRY 
7680820646

satyasivanisiddani@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
JIPMER Institutional Ethics Committee Interventional Studies  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  NIL  NIL 
Intervention  Ultrasound guided Retrolaminar Cervical block  The patients in the USG guided Retrolaminar Cervical Block will be receiving 3ml of lignocaine 2% and 2ml of Dexamethasone of 8mg, total of 5ml. The corresponding nerve root where the block to be given will be decided pre procedure using clinical findings and MRI findings. During the procedure, the nerve root level to be blocked will be identified with the help of ultrasound imaging in a parasagittal oblique view , lamina will be identified and using 22G 10cm Echoplex neeedle with inplane approach, the drug will be deposited at the posterior aspect of the lamina. Color Doppler wil be used to identify any surrounding vessels. Pre intervention and post intervention VAS score, Neck Disability Index score, pain free days, quality of life using SF-12 questionnaire will be assessed on Day0,1,7,14,30,month 2,3 and 6. 
Intervention  Ultrasound guided Selective Nerve Root block   The patients in the USG guided Selective Nerve Root Block will be receiving 2ml of lignocaine 2% and 2ml of Dexamethasone of 8mg, total of 4ml at the corresponding nerve root. The corresponding nerve root where the block to be given will be decided pre procedure using clinical findings and MRI findings. During the procedure, the nerve root to be blocked will be identified with the help of ultrasound imaging and using 22G 10cm Echoplex neeedle with inplane approach, the drug will be deposited at the dorsal aspect of the nerve where it exits the intervertebral foramen. color doppler will be used to identify any surrounding vessels. Pre intervention and post intervention VAS score, Neck Disability Index score, pain free days, quality of life using SF-12 questionnaire will be assessed on Day0,1,7,14,30,month 2,3 and 6. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  Consenting Patients having Cervicogenic neck pain with etiology of either cervical disc herniation or cervical stenosis for more than 3 months with VAS score of greater than 6 despite conservative management. 
 
ExclusionCriteria 
Details  1.Cardiopulmonary disease
2. Severe cervical stenosis who requires surgical management
3. Patients withPrimary shoulder pathology, neurological deficits, Cervical Myelopathyor cervical nerve root compression other than disc herniation including tumor or stenosis.
4. Those with previous spine surgeries or previous epidural steroid within 3 months duration.
5. Bleeding disorders
6.Allergy to study drugs
7. Local infection
8. Cervical radiculopathy having motor symptoms
9. Psychiatric disorders.
10. Lab results suggestive of Inflammatory disease or rheumatoid arthritis.
11. Pregnancy/lactation
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare the Numerical Rating Scale(NRS) score among the patients receiving Ultrasound guided Selective Nerve Root Block Versus Ultrasound guided Retrolaminar Cervical Block in patients with Cervical Radiculopathy.  Pre intervention
Post intervention day 0
Post intervention day 1
Post intervention day 7
Post intervention week 2
Post intervention month 1
Post intervention month 3
Post intervention month 6 
 
Secondary Outcome  
Outcome  TimePoints 
Neck disability Index(NDI)  Pre intervention
Post intervention day 0
Post intervention day 1
Post intervention day 7
Post intervention week 2
Post intervention month 1
Post intervention month 3
Post intervention month 6 
Quality of Life using the 12 item short form survey (SF-12)  Pre intervention
Post intervention day 0
Post intervention day 1
Post intervention day 7
Post intervention week 2
Post intervention month 1
Post intervention month 3
Post intervention month 6 
Pain free days(using Calender method)  Pre intervention
Post intervention day 0
Post intervention day 1
Post intervention day 7
Post intervention week 2
Post intervention month 1
Post intervention month 3
Post intervention month 6 
1.Duration and Ease of administration.
2.Adverse events related to the block such as Intravascular, Intraneural injection will be noted
 
During intervention 
 
Target Sample Size   Total Sample Size="64"
Sample Size from India="64" 
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)   15/11/2023 
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)   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  

Cervical radiculopathy is a common condition that usually results from compression and inflammation of the cervical nerve root or roots in the region of the neural foramen. The clinical manifestations are broad and may include pain, sensory deficits, motor deficits, diminished reflexes, or any combination of the above. Non operative treatment of cervical radiculopathy consists of a number of different modalities including immobilization, physical therapy, traction, manipulation, medication, and cervical steroid injection. 

Cervical Epidural Steroids Injection are being used in patients with less improvements with non-invasive conservative therapies. Most commonly used Epidural steroid injections are Fluoroscopic guided Transforaminal Epidural Steroid Injections and Fluoroscopic guided Inter Laminar Epidural Steroid Injections. Studies comparing Fluoroscopic guided techniques and Ultrasound guided Selective Nerve Root block found no statistically significant difference in clinical efficacy. Ultrasound guided Selective Nerve Root Block is associated with less intravascular injection rate and similar pain relief. 

Real time Ultrasound guidance helps in Identification of critical vessels at unexpected locations relative to the Intervertebral foramen and avoiding injury to such vessels, Better identification of anatomical structures, Real time visualization of drug spread and Shorter duration of procedure. It also has no Radiation exposure and functional improvements compared to Fluoroscopic guided Epidural Steroid Injections. The Ultrasound guided Retrolaminar Cervical Block has shown promising results in reduction of Cervical radicular pain and it may be considered safer than Epidural Steroid Injections as it does not require entering into the neuraxis. 

There are no available RCTs, in literature, that have compared the effects of these two modalities among Indian population. In our study, we propose to find the difference and compare the clinical efficacy and adverse effects of Ultrasound guided Selective Nerve Root Block versus Ultrasound guided Retrolaminar Cervical block in patients with Chronic Cervical Radiculopathy. The results of this study will help us to choose an ideal intervention technique for patients with Chronic Cervical radiculopathy. 

 
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