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CTRI Number  CTRI/2020/10/028528 [Registered on: 21/10/2020] Trial Registered Prospectively
Last Modified On: 30/09/2020
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Adductor canal block with different additives for total knee replacement surgery 
Scientific Title of Study   Comparison of Analgesic Effect of Dexmedetomidine and Fentanyl with Ropivacaine in Adductor Canal Block in Patients Undergoing Unilateral Total Knee Replacement Surgery: A Triple Blinded Randomised Control Trial 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Snigdha Naskar 
Designation  Junior resident 
Affiliation  AIIMS RISHIKESH 
Address  Department of Anaesthesiology Level 6 Medical College building AIIMS Rishikesh
Department of Anaesthesiology Level 6 Medical College building AIIMS Rishikesh
Dehradun
UTTARANCHAL
249203
India 
Phone  8420899672  
Fax    
Email  naskarsnigdha05@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Yashwant Singh Payal  
Designation  Additional professor 
Affiliation  AIIMS RISHIKESH 
Address  Department of Anaesthesiology Level 6 Medical College Building, All India Institute of Medical Sciences, Rishikesh

Dehradun
UTTARANCHAL
249203
India 
Phone  7906235754  
Fax    
Email  dryspayal05@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Yashwant Singh Payal  
Designation  Additional professor 
Affiliation  AIIMS RISHIKESH 
Address  Department of Anaesthesiology Level 6 Medical College Building, All India Institute of Medical Sciences, Rishikesh

Dehradun
UTTARANCHAL
249203
India 
Phone  7906235754  
Fax    
Email  dryspayal05@gmail.com  
 
Source of Monetary or Material Support  
AIIMS RISHIKESH 
 
Primary Sponsor  
Name  AIIMS RISHIKESH 
Address  VEERBHADRA ROAD ,249201 
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 Yashwant Singh Payal  AIIMS RISHIKESH  Department of Anaesthesiology 6th floor Virbhadra Marg Pashulok Rishikesh
Dehradun
UTTARANCHAL 
7906235754

dryspayal05@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M171||Unilateral primary osteoarthritisof knee,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Group A: Post operative adductor canal block with ropivacaine and dexmedetomidine  Block will be given with 15 ml of 0.5% ropivacaine + dexmedetomidine 1 microgram per kg under USG guidance (20 ml of drug) 
Intervention  Group B: Post operative adductor canal block with ropivacaine and fentanyl  Block will be given with 15ml of 0.5% ropivacaine + fentanyl 1microgram per kg under USG guidance (20 ml drug) 
Comparator Agent  Post- operative adductor canal block in patients undergoing unilateral total knee replacement  A curvilinear low frequency ultrasound probe placed at mid- thigh and identified femoral artery, femoral vein and saphenous nerve deep to Sartorius muscle in between vastus medialis and adductor longus. A 18G touhy needle with 22G catheter attached inserted in between the muscle and local anaesthetic injected after negative aspiration according to the groups 
 
Inclusion Criteria  
Age From  40.00 Year(s)
Age To  90.00 Year(s)
Gender  Both 
Details  ASA –I, II
Patients undergoing primary unilateral total knee replacement
 
 
ExclusionCriteria 
Details  1.BMI > 35 kg/m2
2.Associated coagulation disorders
3.Infection at the site of injection
4.Severe cardiac,renal or hepatic dysfunction
5.Allergy to test drug
6.Any pre– existing sensory or motor impairement
7.Patient with cognitive impairement
8.Patient refusal to participate
9.Emergency surgery
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare duration of analgesia (request for first rescue analgesia) after single-shot adductor canal block with ropivacaine and adjuvants (dexmedetomedine, fentanyl) in patients at rest undergoing primary unilateral total knee replacement with Numeric rating scale  At the first request for rescue analgesia in the post operative period during first 24 hours 
 
Secondary Outcome  
Outcome  TimePoints 
1.To assess pain scores by numerical rating scale (NRS) post operatively
2.To compare total rescue analgesia requirement in first 24hour after block
3.To compare level of sensory block with either of adjuvants after ACB
4.To compare any degree of motor blockade with any adjuvants in adductor canal block by modified bromage scale.
5.To compare complications, if any ,while using either of the drugs
 
Patient assessment for pain at 1,6,12,18 and 24 hour after block
 
 
Target Sample Size   Total Sample Size="70"
Sample Size from India="70" 
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)   01/11/2020 
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   Kampitak W, Tanavalee A, Ngarmukos S, Amarase C, Songthamwat B, Boonshua A. Comparison of Adductor Canal Block Versus Local Infiltration Analgesia on Postoperative Pain and Functional Outcome after Total Knee Arthroplasty: A Randomized Controlled Trial. Malays Orthop J. 2018 Mar;12(1):7–14. 2. Comparison of Adductor Canal Block Versus Local Infiltration Analgesia on Postoperative Pain and Functional Outcome after Total Knee Arthroplasty: A Randomized Controlled Trial. Malays Orthop J. 2018;12(1):8. 3. Schnabel A, Reichl SU, Weibel S, Zahn PK, Kranke P, Pogatzki-Zahn E, et al. Adductor canal blocks for postoperative pain treatment in adults undergoing knee surgery. Cochrane Database Syst Rev. 2019 Oct 26;2019(10).  
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary  

Adductor canal block is a ultrasound guided regional anaesthesia technique, involves infiltration of local anaesthesia to the saphenous nerve,nerve to vastus medialis. Hypothesis: Adding two different analgesic drugs along with ropivacaine will show the efficacy of adjuvants in terms of prolong of duration and quality of analgesia in post- operative period

Aim: To study and compare dexmedetomidine and fentanyl with ropivacaine as analgesics post operatively given through single- shot  block in Primary unilateral total knee replacement

Objectives: To compare duration of analgesia (request for first rescue analgesia) after single-shot adductor canal block  with Numeric  rating scale

Material &methods: A triple blinded randomised control trial

Sample size: 35 patients in each group 

 
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