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CTRI Number  CTRI/2017/01/007657 [Registered on: 10/01/2017] Trial Registered Retrospectively
Last Modified On: 15/02/2017
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Pain relief for knee replacement surgery 
Scientific Title of Study   Adductor canal block for post-operative analgesia after total knee replacement: a randomized controlled trial to study the effect of addition of dexmedetomidine to ropivacaine 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  RAKHEE GOYAL 
Designation  Professor Anaesthesia 
Affiliation  Professor 
Address  Department of Anaesthesia Army Hospital Research and Referral Delhi
P 103/64 Married Accomodation Army Hospital Research and Referral Delhi
South West
DELHI
110010
India 
Phone  7798225637  
Fax  01125684096  
Email  rakheegoyalkumar@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  RAKHEE GOYAL 
Designation  Professor Anaesthesia 
Affiliation  Professor Anaesthesia 
Address  Department of Anaesthesia Army Hospital Research and Referral Delhi
P 103/64 Married Accomodation Army Hospital Research and Referral Delhi
South West
DELHI
110010
India 
Phone  7798225637  
Fax  01125684096  
Email  rakheegoyalkumar@gmail.com  
 
Details of Contact Person
Public Query
 
Name  RAKHEE GOYAL 
Designation  Professor Anaesthesia 
Affiliation  Professor Anaesthesia 
Address  Department of Anaesthesia Army Hospital Research and Referral Delhi
P 103/64 Married Accomodation Army Hospital Research and Referral Delhi
South West
DELHI
110010
India 
Phone  7798225637  
Fax  01125684096  
Email  rakheegoyalkumar@gmail.com  
 
Source of Monetary or Material Support  
Army Hospital Research and Referral Delhi 
 
Primary Sponsor  
Name  Army Hospital Research and Referral Delhi 
Address  Department of Anaesthesia Army Hospital Research and Referral Delhi 
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 Rakhee Goyal  Army Hospital Research and Referral Delhi  Department of Anaesthesia Level III Army Hospital Research and Referral Delhi
South West
DELHI 
7798225637
01125684096
rakheegoyalkumar@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  Those scheduled for knee replacement surgery,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Adductor canal block with ropivacaine and 0.50 μg/kg of dexmedetomidine  The block will be given with ropivacaine (0.3%) along with 0.50 μg/kg of dexmedetomidine in a total volume of 20 mlas a single injection in the adductor canal under ultrasound guidance. The results will be assessed over 24 hours. 
Intervention  Adductor Canal Block, Ropivacaine, Dexmedetomidine  The block will be given with ropivacaine alone (0.3%) without any additives in a total volume of 20 ml as a single injection in the adductor canal under ultrasound guidance. The results will be assessed over 24 hours. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  90.00 Year(s)
Gender  Both 
Details  ASA I-III; BMI 20-30 kg/m2 
 
ExclusionCriteria 
Details  Contraindication to subarachnoid block or allergy to any of the study drugs;
Known coagulopathy, local infection at block site;
Patients in whom the nerve block could not be performed at per the procedure described in the methodology; Renal dysfunction
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant, Investigator, Outcome Assessor and Date-entry Operator Blinded 
Primary Outcome  
Outcome  TimePoints 
The aim of this study is to compare the duration of analgesia of adductor canal block using ropivacaine with and without dexmedetomidine after total knee replacement.  15 min, 30 min, 45 min, 60 min, 6 hr, 12 hr, 18 hr, 24 hr 
 
Secondary Outcome  
Outcome  TimePoints 
The secondary outcomes will be the total 24 hr opioid consumption, success of early ambulation, level of patient satisfaction, and any adverse effects following the study intervention.  Medical Research Council Scale as 0-5 at 6, 12, 18 and 24 hr after the block. 
 
Target Sample Size   Total Sample Size="100"
Sample Size from India="100" 
Final Enrollment numbers achieved (Total)= ""
Final Enrollment numbers achieved (India)="" 
Phase of Trial   N/A 
Date of First Enrollment (India)   01/04/2016 
Date of Study Completion (India) Date Missing 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="0"
Months="3"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   NOT YET 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Brief Summary  

Total knee replacement is almost always associated with severe post-operative pain. The current aim of adequate analgesia and early ambulation is directed at decreased hospital stay and increased patient satisfaction. Multimodal analgesia such as central and peripheral nerve blocks, NSAIDS, paracetamol, opioids, etc. is most suitable for this surgery. However, in elderly patients there are concerns about the use of opioids and NSAIDs. The recent success of adductor canal block in providing post-operative analgesia, along with the prospects of early ambulation has evoked interest in studying the effects of local anesthetics like ropivacaine, and some adjuvants like dexmedetomidine. Both ropivacaine and dexmedetomidine have been effectively and safely used in the past in other peripheral nerve blocks.The aim of this study is to compare the duration of analgesia of adductor canal block using ropivacaine with and without dexmedetomidine after total knee replacement.The secondary outcomes will be the total 24 hr opioid consumption, success of early ambulation, level of patient satisfaction, and any adverse effects following the study intervention.

 
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