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CTRI Number  CTRI/2025/07/091612 [Registered on: 24/07/2025] Trial Registered Prospectively
Last Modified On: 23/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A Randomized control study to evaluate the efficacy of of Dual Sub sartorial block in managing post operative pain for total knee arthroplasty 
Scientific Title of Study   A Randomized control study to evaluate the efficacy of Dual Sub-sartorial Block in managing post operative pain in patients undergoing unilateral Total Knee Replacement. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Tejaswini 
Designation  Resident 
Affiliation  MANIPAL HOSPITAL OLD AIRPORT ROAD 
Address  Department of Anesthesia. Orthopedics OT Complex. 98, HAL Old Airport Rd, Kodihalli, Bengaluru, Karnataka 560017

Bangalore
KARNATAKA
560017
India 
Phone  08747954969  
Fax    
Email  utej96@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr. Niranjan Jayasheela 
Designation  Consultant Anaesthesiologist 
Affiliation  MANIPAL HOSPITAL OLD AIRPORT ROAD 
Address  Department of Anaesthesia 98, HAL Old Airport Rd, Kodihalli, Bengaluru, Karnataka 560017

Bangalore
KARNATAKA
560017
India 
Phone  9980758404  
Fax    
Email  drniruj@hotmail.com  
 
Details of Contact Person
Public Query
 
Name  Tejaswini 
Designation  Resident 
Affiliation  MANIPAL HOSPITAL OLD AIRPORT ROAD 
Address  Department of Anesthesia. 98, HAL Old Airport Rd, Kodihalli, Bengaluru, Karnataka 560017

Bangalore
KARNATAKA
560017
India 
Phone  08747954969  
Fax    
Email  utej96@gmail.com  
 
Source of Monetary or Material Support  
nil 
 
Primary Sponsor  
Name  Manipal hospitals 
Address  Manipal Hospitals, HAL Old airport road, Kodihalli, Bangalore 560017 
Type of Sponsor  Private hospital/clinic 
 
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 Tejaswini  Manipal Hospitals.  Department of Anesthesia. Manipal Hospitals. Old airport Rood Kodihalli, Bangalore. 560017
Bangalore
KARNATAKA 
8747954969

utej96@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Ethics Committee of Manipal Hospitals, Bangalore.  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 
Comparator Agent  USG guided nerve blocks  USG guided adductor canal block in patients under going unilateral TKR in the immediate post operative period. (within 15-30 minutes) Follow up at 6 hours, 12 hours and 24 hours.  
Intervention  USG guided nerve blocks  USG guided nerve dual sub sartorial block in patients undergoing unilateral total knee replacement in the immediate post operative period. (within 15-30 minutes) Follow up at 6 hours, 12 hours and 24 hours.  
 
Inclusion Criteria  
Age From  30.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  1. ASA II/III
2. Patients undergoing unilateral total knee replacement
3. Anesthetic management plan of sub arachnoid block 
 
ExclusionCriteria 
Details  1. Patient refusal to participate in the study
2. Patient allergic to the Local anesthetic used in the study
3. ASA IV patients
4. Patients undergoing bilateral TKR
5. Anesthetic management plan of General anesthesia 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To understand the analgesic efficacy of dual sub sartorial block by evaluating the post operative pain score (NRS) and Patient controlled analgesia demands in 2 groups of patients (Adductor canal block and dual sub sartorial block) in patients undergoing total knee replacement surgery under sub arachnoid block   NRS and PCA demands will be compared at 0 hours, 6 hours, 12 hours and 24 hours 
 
Secondary Outcome  
Outcome  TimePoints 
1. To assess consumption of rescue analgesia in the 2 aforementioned groups of patients.
2. To assess sensory deficit in the 2 aforementioned groups of patients.  
1. Rescue analgesia need will be assessed at baseline, 6 hours, 12 hours & 24 hours.

2. Sensory deficit will be assessed at 6 hours, 12 hours & 24 hours.  
 
Target Sample Size   Total Sample Size="44"
Sample Size from India="44" 
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)   21/08/2025 
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="6"
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 - YES
  1. What data in particular will be shared?
    Response - All of the individual participant data collected during the trial, after de-identification.

  2. What additional supporting information will be shared?
    Response -  Study Protocol
    Response -  Statistical Analysis Plan
    Response - Clinical Study Report
    Response -  Analytic Code

  3. Who will be able to view these files?
    Response - Anyone

  4. For what types of analyses will this data be available?
    Response - To achieve aims in the approved proposal.

  5. By what mechanism will data be made available?
    Response (Others) -  nil

  6. For how long will this data be available start date provided 01-09-2025 and end date provided 17-09-2026?
    Response - Immediately following publication. No end date.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - nil
Brief Summary   A Randomized control study to evaluate the efficacy of dual sub sartorial block in managing post operative pain in patients undergoing unilateral total knee replacement.

Hypothesis
Dual sub sartorial block facilitates adequate post operative pain management and reduction of opioid consumption in asa II and ASA III patients undergoing unilateral TKR under sub arachnoid block

Aim
To understand the analgesic efficacy of dual sub sartorial block by evaluating post operative pain scores and opioid consumption in 2 groups of patients. dual sub sartorial block vs adductor canal block.
To assess consumption of rescue analgesia
To assess sensory deficit in both groups of patients

Study duration 
July 2025 to Dec 2025

single center prospective open label, randomized 2 groups post assessment clinical study

inclusion criteria
ASA II III
Age 30y  75y
patients undergoing unilateral TKR under SAB

Exclusion criteria
patient refusal to participate in the study
Allergic to local anasthetic
asa IV
Bilateral tkr
surgery under general anasthesia

sample size- 44

Group A
22 patients receiving dual sub sartorial block

Group B
22 patients receiving adductor canal block

statistical method 
Chi square fisher exact test student t test or any other suitable method at the time of data analysis
software SPSS22  R Environment MS Excel and Word




 
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