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CTRI Number  CTRI/2021/08/035737 [Registered on: 17/08/2021] Trial Registered Prospectively
Last Modified On: 11/03/2023
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   What is better for pain relief in patients with chronic knee pain due to osteoarthritis knee? Ultrasound guided local anaesthetic injection or steroid  
Scientific Title of Study   To assess the effectiveness of Ultrasound guided genicular nerve block using 0.5% Bupivacaine in comparison with Ultrasound guided intra articular injection of 40mg Depo-Medrol in the management of chronic osteoarthritis knee pain-Double blinded randomized controlled trial 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Kalaivani P 
Designation  Post graduate 
Affiliation  Christian Medical College, Vellore 
Address  Department of Physical Medicine and Rehabilitation, Christian Medical College, Vellore

Vellore
TAMIL NADU
632002
India 
Phone  9003222371  
Fax    
Email  kalai.krenos@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Judy Ann John 
Designation  Professor 
Affiliation  Christian Medical College, Vellore 
Address  Department of Physical Medicine and Rehabilitation, Christian Medical College, Vellore

Vellore
TAMIL NADU
632002
India 
Phone    
Fax    
Email  judy@cmcvellore.ac.in  
 
Details of Contact Person
Public Query
 
Name  Kalaivani P 
Designation  Post graduate 
Affiliation  Christian Medical College, Vellore 
Address  Department of Physical Medicine and Rehabilitation, Christian Medical College, Vellore

Vellore
TAMIL NADU
632002
India 
Phone  9003222371  
Fax    
Email  kalai.krenos@gmail.com  
 
Source of Monetary or Material Support  
Christian Medical College Vellore Tamilnadu 
 
Primary Sponsor  
Name  Christian Medical College 
Address  Christian Medical College Vellore Tamilnadu 
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 
Kalaivani P  Department of Physical Medicine and Rehabilitation  Department of Physical Medicine and Rehabilitation, Christian Medical College, Vellore
Vellore
TAMIL NADU 
9003222371

kalai.krenos@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Review Board,Christian Medical College, Vellore  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M179||Osteoarthritis of knee, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Genicular nerve block using 0.5% bupivacaine  Ultrasound guided genicular nerve block using 0.5% bupivacaine 2ml each to superolateral, superomedial and inferomedial genicular nerves along with standardised exercise programme. Patient will be followed up at different time intervals. i.e., in a week and at 4,12 weeks by telephonic interview 
Comparator Agent  Intra articular injection using Depo Medrol and 0.5% Bupivacaine  Ultrasound guided intra articular injection using 1ml of 40mg Depo Medrol and 3ml of 0.5% bupivacaine along with standardised exercise programme. Patient will be followed up at different time intervals.i.e.,in a week and at 4,12 weeks by telephonic interview 
 
Inclusion Criteria  
Age From  35.00 Year(s)
Age To  85.00 Year(s)
Gender  Both 
Details  Chronic osteoarthritis knee with more than 3 months of pain with pain scored by visual analog scale more than or equal to 40mm
Radiological osteoarthritis grade greater than Kellegren Lawrence grade 2
Refractory knee osteoarthritis pain not alleviated with first line of treatment
Well controlled diabetes
No signs of active infection at injection site
 
 
ExclusionCriteria 
Details  Patients who underwent prior knee surgery or surgery scheduled in the next 3 months
Patients with severe knee joint instability
Patients with serious neurological or psychiatric illness
Those received steroid or hyaluronic acid injection therapy in last 3 months
Those who on anticoagulant medication use and those with severe bleeding diathesis
Patients with hypersensitivity to local anaesthetics or steroids 
 
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 
Mean change in knee pain assessed by Visual Analog Scale  At 1,4 and 12 weeks 
 
Secondary Outcome  
Outcome  TimePoints 
Mean change in Lequesne Functional Index
Incidence of adverse events
Compliance to home based programme 
At 1, 4 and 12 weeks 
 
Target Sample Size   Total Sample Size="50"
Sample Size from India="50" 
Final Enrollment numbers achieved (Total)= "50"
Final Enrollment numbers achieved (India)="50" 
Phase of Trial   Phase 3/ Phase 4 
Date of First Enrollment (India)   18/08/2021 
Date of Study Completion (India) 23/11/2022 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="3"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   NIL 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary  

     Osteoarthritis is an active degenerative process involving cartilage destruction, subchondral remodelling and formation of osteophytes. The most common symptom in patients with OA knee is mechanical knee pain.  Exercise programme and joint protection techniques are recommended in all guidelines to manage osteoarthritis knee. Pain very often results in poor compliance for exercises. GNB for pain relief can improve compliance to exercise programme. 

            The objective of this study is to assess the mean change in knee joint pain as measured by VAS score (0-100mm) on receiving genicular nerve block with 2ml of 0.5% bupivacaine to superomedial(SMGN), superolateral(SLGN) and inferomedial genicular nerves(IMGN), when compared to intra articular injection of 40mg of Depo-Medrol in those with chronic osteoarthritis knee pain. Patients with more than 3 months of pain will be recruited in this study. Participants will be randomized by block method. Opaque envelopes will be used to conceal allocation of patients to the control and interventional group. Intervention group will receive genicular nerve block with 2 ml of 0.5%bupivacaine to SMGN, SLGN, IMGN along with standardized exercise programme and control group will receive intra articular injection with 40mg of Depo-Medrol in knee joint along with standardized exercise programme. Pre and post procedure VAS and LFI will be documented in 1st week and then at 4 weeks and 12 weeks by telephonic assessment.

 
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