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CTRI Number  CTRI/2024/02/062480 [Registered on: 09/02/2024] Trial Registered Prospectively
Last Modified On: 30/01/2024
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   Comparison of analgesic effects of dexmedetomidine and ketamine in adductor canal block ( for post operative pain relief following unilateral TKR )  
Scientific Title of Study   Evaluation of analgesic effects of ketamine versus dexmedetomidine as an adjuvant to 0.2% ropivacaine infusion in adductor canal block for post-operative analgesia following unilateral total knee replacement surgery.  
Trial Acronym  NIL  
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Gokuldas Sekhara Menon  
Designation  Associate Professor  
Affiliation  Amrita institute of medical science and research centre  
Address  First Floor , Tower 6 ,Department of Anesthesiology and critical care , Amrita institute of medical science and research centre , Ponekkara , Edapally , Kochi

Ernakulam
KERALA
682041
India 
Phone  9847448005  
Fax    
Email  gokuldas75@hotmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Gokuldas Sekhara Menon  
Designation  Associate Professor  
Affiliation  Amrita institute of medical science and research centre  
Address  First floor , Tower 6 , Department of Anesthesiology and critical care , Amrita institute of medical science and research centre , Ponekkara , Edapally , Kochi

Ernakulam
KERALA
682041
India 
Phone  9847448005  
Fax    
Email  gokuldas75@hotmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Sahla Shamsudheen  
Designation  Junior Resident  
Affiliation  Amrita institute of medical science and research centre  
Address  First floor , Tower 6 , Department of Anesthesiology and critical , Amrita institute of medical science and research centre , Ponekkara , Edapally , Kochi

Ernakulam
KERALA
682041
India 
Phone  8861643066  
Fax    
Email  nainashams@gmail.com  
 
Source of Monetary or Material Support  
First Floor , Tower 6 , Department of Anesthesiology and critical care , Amrita institute of medical science and research center , Ponekkara , Edapally , Kochi , Kerala  
 
Primary Sponsor  
Name  Dr Sahla Shamsudheen  
Address  First Floor , Tower 6 , Department of Anesthesiology and critical care , Amrita institute of medical science and research center , Ponekkara , Edapally , Kochi , Kerala  
Type of Sponsor  Other [Self ] 
 
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 Sahla Shamsudheen   Amrita institute of medical science and research centre  Department of Anesthesiology and critical care , Amrita institute of medical science and research center , Ponekkara, AIMS P.O, Kochi, Kerala, India - 682 041.
Ernakulam
KERALA 
8861643066

nainashams@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Amrita institute of medical sciences and research centre ethical committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  1) Ketamine 2) Dexmedetomidine   1) Group A will receive an infusion of 0.2% Ropivacaine + Ketamine 1mg/kg at 8-10 ml/hr.(48ml 0.2% ropivacaine + 1mg/kg Ketamine diluted to 2ml – total 50ml) 2)Group B will receive an infusion of 0.2% Ropivacaine + Dexmedetomidine 1mcg/kg at 8-10 ml/hr. (48ml 0.2% ropivacaine + 1mcg/kg dexmedetomidine diluted to 2ml – total 50ml)  
Intervention  Adductor canal block   All patient undergoing unilateral knee replacement will receive 0.2% ropivacaine as an infusion in adductor canal block for post operative analgesia  
 
Inclusion Criteria  
Age From  50.00 Year(s)
Age To  85.00 Year(s)
Gender  Both 
Details  American society of anaesthesiologist physical status I-III  
 
ExclusionCriteria 
Details  1) Allergy to local anaesthetics
2) Patient with history of previous knee surgeries
3) Patients with contra indications to spinal anaesthesia
4) Patients with history of chronic analgesic use  
 
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 
Number of patients requiring additional opioids following ketamine versus dexmedetomidine as an adjuvant to ropivacaine infusion in adductor canal block   24 hours post operatively  
 
Secondary Outcome  
Outcome  TimePoints 
1 )Hemodynamic changes
2 ) To assess motor blockade
3 )Pain on ambulation.
4 )To compare adverse effects like hallucination , nausea , vomiting
 
4th hourly for 24 hours post operatively  
 
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   Phase 2 
Date of First Enrollment (India)   15/02/2024 
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 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   TKR is associated with associated with severe pain during post operative period . Therefor post operative pain management is of utmost importance for patient outcome and satisfaction . 
The current practice is to manage post operative pain with adductor canal block using local anaesthetic agents which provide good analgesia while preserving motor function . Various adjuvants have been used to prolong the duration of action of nerve blocks . In this study we plan to compare adjuvant effects of ketamine ( 1mg/kg ) and dexmedetomidine ( 1mcg/kg ) . Through a comparative analysis , this study aims to determine the optimal adjuvant for enhancing post operative pain management while minimizing adverse effects . 
 
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