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CTRI Number  CTRI/2025/07/091356 [Registered on: 22/07/2025] Trial Registered Prospectively
Last Modified On: 21/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Single Arm Study 
Public Title of Study   Ultrasound guided 4 in 1 block technique for knee and below knee surgeries for post operative pain control. 
Scientific Title of Study   Ultrasound guided four in one Block technique on post operative analgesia in patients posted for KNEE AND BELOW KNEE surgeries under spinal anaesthesia A SINGLE ARM CLINICAL 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  Srinivas Bandanavar 
Designation  Post graduate in department of anaesthesia  
Affiliation  Vijaynagar institue of medical SCIENCES ballari 
Address  Department of anaesthesia major ot complex ballari medical college and research Centre Vijaya Nagar cantonment Ballari
Door no 12 ward no 17 miller pet near water tank ballari 583103
Bellary
KARNATAKA
583104
India 
Phone  9945202286  
Fax    
Email  srinivasbandanavar@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr parimala 
Designation  Professor  
Affiliation  Vijaynagar institue of medical SCIENCES ballari 
Address  Department of anaesthesiology major ot complex Ballari medical college and research Centre Vijaya Nagar cantonment Ballari

Bellary
KARNATAKA
583104
India 
Phone  9742530338  
Fax    
Email  dr.parimaladu@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr parimala 
Designation  Professor  
Affiliation  Vijaynagar institue of medical SCIENCES ballari 
Address  Department of Anaesthesiology major ot complex Ballari medical college and research Centre Vijaya Nagar cantonment Ballari

Bellary
KARNATAKA
583104
India 
Phone  9742530338  
Fax    
Email  dr.parimaladu@gmail.com  
 
Source of Monetary or Material Support  
Department of anaesthesiology Ballari medical college and research Centre Ballari 583104 
 
Primary Sponsor  
Name  Dr Srinivas Bandanavar 
Address  Department of anaesthesiology major ot complex Ballari medical college and research Centre  
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 Srinivas Bandanavar   Ballari medical college and research Centre ballari  Ot room no 1 2 and 6 department of anaesthesiology PMSSY Superspeciality hospital and Trauma Care Centre BMCRC Ballari
Bellary
KARNATAKA 
9945202286

srinivasbandanavar@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethics committee ballari medical college and research Centre ballari  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  Nil  Nil 
Intervention  Postoperative analgesia of 4 in 1 nerve block   For 24 hrs 
 
Inclusion Criteria  
Age From  20.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  Patients posted for unilateral total knee replacement surgery knee and below knee surgery Age 20 to 70 years
Males and females
ASA 1 and 2  
 
ExclusionCriteria 
Details  patient refusal to 4 in 1 nerve block and spinal anaesthesia
Patient with neurological and psychiatric disorder severe cardiovascular respiratory hepatic and renal diseas
Allergy to study drugs
Patients with coagulopathies and other contraindications to regional anaesthesia. Pregnancy  
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Duration of postoperative analgesia  Duration of a post operative analgesia extends from the time of regional block till NRS score more than 4 and nrs score assessed at 30 mins 1hr 2hr 4hr 8hr 12hr 16hr 24 hr 
 
Secondary Outcome  
Outcome  TimePoints 
Postoperative pain score by nrs  30 mins 1 hr 2 hr 4 hr 8hr 12 hr 24 hr 
Straight leg Raising Test   12 hr and 24 hr 
Cumulative dose of rescue analgesia  24 hrs 
Patient satisfaction by likert scale   12 hr and 24 hr 
 
Target Sample Size   Total Sample Size="41"
Sample Size from India="41" 
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)   01/08/2025 
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="1"
Months="6"
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  
 
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