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CTRI Number  CTRI/2025/08/093605 [Registered on: 25/08/2025] Trial Registered Prospectively
Last Modified On: 24/08/2025
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   Comparing the drugs to get better pain management  
Scientific Title of Study   A Prospective randomized comparative study evaluating the analgesic efficacy of 0.2% Ropivacaine versus 0.2% Ropivacaine with dexmedetomidine in adductor canal block combined with iPACK for total knee arthroplasty  
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  PRAVEEN RAJU 
Designation  Postgraduate in Department of ANAESTHESIOLOGY  
Affiliation  Ballari Medical college and Research centre  
Address  Postgraduate in MD anaesthesia BMCRC Room no 30 new boys pg hostel Department of Anaesthesiology Ballari Medical college and Research centre Vijaya Nagar Cantonment Ballari Karnataka 583104
Postgraduate in MD anaesthesia BMCRC Room no 30 new boys pg hostel Department of Anaesthesiology Ballari Medical college and Research centre Vijaya Nagar Cantonment Ballari Karnataka 583104
Bellary
KARNATAKA
583104
India 
Phone  8838206011  
Fax    
Email  dr.praveenvenkat@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Raghunath  
Designation  Associate Professor  
Affiliation  Ballari Medical college and Research centre  
Address  Assosciate professor in Department of Anaesthesiology Ballari Medical college and Research centre Department of Anaesthesiology Vijaya Nagar Cantonment Ballari Karnataka 583104

Bellary
KARNATAKA
583104
India 
Phone  9945434495  
Fax    
Email  docraghu2009@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Praveen Raju 
Designation  Postgraduate in MD anaesthesia BMCRC  
Affiliation  Ballari Medical college and Research centre  
Address  Postgraduate in MD anaesthesia Room no 30 new boys pg hostel Ballari Medical college and Research centre Department of ANAESTHESIOLOGY Vijaya Nagar Cantonment Ballari Karnataka 583104

Bellary
KARNATAKA
583104
India 
Phone  8838206011  
Fax    
Email  dr.praveenvenkat@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology BALLARI MEDICAL COLLEGE AND RESEARCH CENTRE Vijaya Nagar Cantonment Ballari Karnataka India 583104  
 
Primary Sponsor  
Name  Ballari Medical college and Research centre  
Address  Vijaya Nagar, Cantonment, Ballari, Karnataka 583104 
Type of Sponsor  Government medical college 
 
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 Praveen Raju  Ballari medical college and Research centre   Vijaya Nagar Cantonment Ballari Karnataka 583104
Bellary
KARNATAKA 
8838206011

dr.praveenvenkat@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee   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  Comparative study to evaluate analgesic efficacy by adding dexmeditomidate to inj Ropivacaine 0.2% in adductor canal block with ipack for total knee arthroplasty  Adductor canal block 20ml of 0.2% Ropivacaine and iPACK 20ml of 0.2%Ropivacaine injected to block saphenous nerve and tibal and common peroneal nerve through USG guided 
Comparator Agent  Comparative study to evaluate analgesic efficacy by adding dexmeditomidate to inj Ropivacaine 0.2% in adductor canal block with ipack for total knee arthroplasty  Adductor canal block with 20ml and iPACK Block with 20ml of 0.2% Ropivacaine and Dexmeditomidate 1mcg/kg will be given thorough USG guided in adductor canal block around saphenous nerve and iPACK block around common peroneal nerve and tibial nerve 
 
Inclusion Criteria  
Age From  25.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  Adults aged 25-80 years
ASA physical status I–III
Undergoing elective total knee replacement surgeries
Willingness to participate with informed consent
 
 
ExclusionCriteria 
Details  Patient refusal to the study
BMI morethan 40
Revision or bilateral knee surgeries
Known allergy to local anaesthetics
Neurological disorders affecting lower limb mobility
Coagulopathy or on anticoagulants
Patients refusing regional anaesthesia
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Pharmacy-controlled Randomization 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Duration of Analgesia  Duration of Analgesia 
 
Secondary Outcome  
Outcome  TimePoints 
Postoperative pain scores using the NRS at rest & during movement at 2 4 6 12 24 36 & 48 hours
Time of activation of first epidural as rescue analgesic
Degree of motor blockade (Modified Bromage Scale)
Ramsay sedation score
Time to first ambulation
Patient satisfaction score
Incidence of side effects or complications eg hypotension urinary retention nausea vomiting motor weakness
 
2hours,4hours, 6hours, 12hours, 24hours, 36hours,& 48 hours 
 
Target Sample Size   Total Sample Size="30"
Sample Size from India="30" 
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   Post Marketing Surveillance 
Date of First Enrollment (India)   10/09/2025 
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 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 - Individual participant data that underlie the results reported in this article, after de-identification (text, tables, figures, and appendices).

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

  3. Who will be able to view these files?
    Response - Researchers whose proposed use of the data has been approved by an independent review committee identified for this purpose.

  4. For what types of analyses will this data be available?
    Response - For individual participant data meta-analysis.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [dr.praveenvenkat@gmail.com].

  6. For how long will this data be available start date provided 01-05-2025 and end date provided 30-11-2026?
    Response - Beginning 3 months and ending 5 years following article publication.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - Nil
Brief Summary   This is a prospective randomized comparative interventional study designed to evaluate the analgesic efficacy of 0.2percentageropivacaine alone versus 0.2 percentage ropivacaine combined with dexmedetomidine when used in adductor canal block combined with iPACK infiltration between the popliteal artery and capsule of the knee for postoperative analgesia in patients undergoing total knee arthroplasty TKA
Patients undergoing unilateral TKA will be randomly assigned to one of two groups

Group R Receiving 0.2percentage ropivacaine

Group RD Receiving 0.2 percentage ropivacaine with dexmedetomidine


Both groups will receive the block as part of a multimodal analgesic regimen The primary outcome is to compare the duration and quality of postoperative analgesia between the two groups Secondary outcomes include opioid consumption pain scores patient satisfaction and incidence of adverse effects

This study aims to determine whether the addition of dexmedetomidine enhances the analgesic effect of ropivacaine in regional nerve blocks for knee arthroplasty potentially improving pain control and functional recovery
 
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