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CTRI Number  CTRI/2025/10/096559 [Registered on: 29/10/2025] Trial Registered Prospectively
Last Modified On: 14/10/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Single Arm Study 
Public Title of Study   Effectiveness of nerve block around knee joint in reducing symptoms of osteoarthritis knee 
Scientific Title of Study   The effectiveness of Ultrasound-guided three-needle approach of genicular nerve block in improving pain, functionality and quality of life in patients suffering from chronic knee osteoarthritis: A prospective observational study 
Trial Acronym  USGNB 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Lt Col Dr Mohit Kataruka 
Designation  Assosciate Professor 
Affiliation  AIIMS, Kalyani 
Address  Room 115, Ground Floor, OPD Building, AIIMS Kalyani. NH-34 Connector, Basantapur, Saguna, Kalyani, Nadia, West Bengal, 741245

Nadia
WEST BENGAL
741245
India 
Phone  8729912916  
Fax    
Email  mohit.pmr@aiimskalyani.edu.in  
 
Details of Contact Person
Scientific Query
 
Name  Souvik Bhattacharjee 
Designation  Senior Resident 
Affiliation  AIIMS Kalyani 
Address  Room 117, Ground Floor, OPD Building, AIIMS Kalyani. NH-34 Connector, Basantapur, Saguna, Kalyani, Nadia, West Bengal, 741245

Nadia
WEST BENGAL
741245
India 
Phone  7044544347  
Fax    
Email  souvik.vicky@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Souvik Bhattacharjee 
Designation  Senior Resident 
Affiliation  AIIMS Kalyani 
Address  Room 117, Ground Floor, OPD Building, AIIMS Kalyani. NH-34 Connector, Basantapur, Saguna, Kalyani, Nadia, West Bengal, 741245

Nadia
WEST BENGAL
741245
India 
Phone  7044544347  
Fax    
Email  souvik.vicky@gmail.com  
 
Source of Monetary or Material Support  
AIIMS Kalyani 
 
Primary Sponsor  
Name  AIIMS Kalyani 
Address  NH-34 Connector,Basantapur, Saguna, KAlyani, Nadia, 741245 
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 Souvik Bhattacharjee  AIIMS Kalyani  Department of Physical Medicine and Rehabilitation, Room 117. Ground Floor, OPD building.
Nadia
WEST BENGAL 
7044544347

souvik.vicky@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee All India Institute of Medical Sciences, Kalyani   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M171||Unilateral primary osteoarthritisof knee,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Ultrasound guided genicular nerve block  Ultrasound guided three point genicular block will be given at superomedial and lateral, and infero-lateral genicular nerves using 5 ml of 0.5% Bupivacaine, 2 ml of 2 % Lignocaine, 1 ml of Triamcinolone acetonide (40 mg) with 4-5 ml of NS 
 
Inclusion Criteria  
Age From  45.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  1. Clinically diagnosed case of osteoarthritis knee according to American college of rheumatology criteria (ACR)
2.Radiographic Kellgren-Lawrence grade 3 and 4
3.Knee pain with pain intensity of more or equal to 4 of 10 in visual analog scale, most of the days for last three months , refractory to conservative management. 
 
ExclusionCriteria 
Details  1. Severe neurological or psychiatric diseases
2. History of any steroid injection within 3 months
3. Previous knee surgeries (unicompartmental or total arthroplasty, debridement arthroscopy, osteotomies)
4. Persons using anticoagulants or with bleeding disorders
5. Persons with uncontrolled diabetes and hypertension
6. Any history of allergy, or superficial skin infection
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Visual Analog Scale  Baseline , after 2 weeks, after 4 weeks, after 8 weeks and after 4 months 
 
Secondary Outcome  
Outcome  TimePoints 
Western Ontario and McMaster Universities  2 weeks, 4 weeks, 8 weeks and 4 months  
Knee injury and osteoarthritis outcome score  2 weeks, 4 weeks, 8 weeks and 4 months 
 
Target Sample Size   Total Sample Size="42"
Sample Size from India="42" 
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 4 
Date of First Enrollment (India)   03/11/2025 
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="1"
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  

Osteoarthritis (OA) of the knee joint is one of the common joint degenerative diseases affecting almost 12 % of the population over their sixties. Approximately 70-80% of the affected individuals are sixty-five or older. Knee OA is a chronic joint disease leading to pain, disability and hamper daily activities of the patients, which ultimately leads to significant social impairments and healthcare burden worldwide.

Both non-surgical and surgical methods are available for the management of OA knees. In non-surgical options, we have patient education, lifestyle modification, physical therapies, bracing, and pharmacological management. Different types of injections like intra-articular steroid, prolotherapy, Ozone, platelet-rich plasma (PRP), hyaluronic acid are also available. A few recent interventions are stem cell therapy, genicular nerve block; all of which are aimed to reduce the symptoms, improve the functionality of the affected individuals. In severe cases, only surgical management is the remaining option, i.e. partial or total knee arthroplasty.

In case of severe OA knee, Kellgren-Lawrence grade 4 surgery is required. The majority of the interventions are rendered ineffective in severe OA knee. Therefore, this study aims to evaluate the effectiveness of genicular nerve block in cases of severe OA kneeWe hypothesized that there would be improvement in cases of severe OA knee in the domains of pain and functionality.


 
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