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CTRI Number  CTRI/2021/04/033190 [Registered on: 28/04/2021] Trial Registered Prospectively
Last Modified On: 05/06/2022
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   A clinical trial to compare the effect of a drug dexmedetomidine when given intramuscularly and in nerve block in patients receiving anaesthesia for forearm and hand surgeries 
Scientific Title of Study   Comparison of dexmedetomidine in ultrasound guided supraclavicular brachial plexus block versus intramuscular administration in upper limb surgeries. 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Sanjana S 
Designation  Junior Resident 
Affiliation  Kasturba Medical College, Manipal 
Address  Department of Anaesthesiology, Kasturba Medical College, Manipal, Udupi

Udupi
KARNATAKA
576104
India 
Phone  9952612396  
Fax    
Email  sanjanasubbiah44@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Abhishek Rao Kordcal 
Designation  Associate Professor 
Affiliation  Kasturba Medical College, Manipal 
Address  Department of Anaesthesiology, Kasturba Medical College, Manipal, Udupi

Udupi
KARNATAKA
576104
India 
Phone  9886118906  
Fax    
Email  abhi.rao@manipal.edu  
 
Details of Contact Person
Public Query
 
Name  Sanjana S 
Designation  Junior Resident 
Affiliation  Kasturba Medical College, Manipal 
Address  Department of Anaesthesiology, Kasturba Medical College, Manipal, Udupi

Udupi
KARNATAKA
576104
India 
Phone  9952612396  
Fax    
Email  sanjanasubbiah44@gmail.com  
 
Source of Monetary or Material Support  
Principal Investigator Dr Sanjana S, Junior Resident, Dept of Anaesthesiology Kasturba Medical College, Manipal, Udupi 576104 
Student Research Fund, Dept of Anesthesiology, KMC Manipal 
 
Primary Sponsor  
Name  Sanjana S 
Address  Department of Anaesthesiology, Kasturba Medical College, Manipal, Udupi 
Type of Sponsor  Other [] 
 
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 SANJANA S  Kasturba Hospital Manipal  Department of Anesthesiology Kasturba Hospital Udupi - Hebri Rd, Madhav Nagar, Manipal, Karnataka 576104
Udupi
KARNATAKA 
9952612396

sanjanasubbiah44@gmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Kasturba Medical College and Kasturba Hospital Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M958||Other specified acquired deformities of musculoskeletal system,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  im dexmedetomidine  Patient will be given supracalvicular brachial plexus block with 30ml 0.5% levobupivacaine followed by dexmedetomidine 1 mcg/kg intramuscularly on the same arm as the nerve block 
Intervention  perineural dexmedetomidine  Patient will be given supraclavicular brachial plexus block with 30 ml 0.5% levobupivacaine and 1 mcg/kg dexmedetomidine 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  All the patients undergoing elective and emergency upper limb surgeries under ultrasound-guided supraclavicular brachial plexus block with the American Society of Anaesthesiologists (ASA) physical status 1 and 2  
 
ExclusionCriteria 
Details  1. Patient refusal.
2. History of allergic medications used in the study.
3. Patients with difficulty in communication.

4. Underlying conditions- bleeding disorders, local infection, existing brachial plexus
deficits.
5. History of treatment for a chronic pain condition/ psychiatric disorder.
6. Pregnant women. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Case Record Numbers 
Blinding/Masking   Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Onset and duration of sensory blockade
Onset and duration of motor blockade 
From the time of administration of study drug- every 5 minutes till 30 minutes, every 30
minutes till 2 hours, every 4 hours till 12 hours and then every 6 hours up to 24 hours. 
 
Secondary Outcome  
Outcome  TimePoints 
Time taken for rescue analgesia
Sedative effect
Overall patient satisfaction. 
From the time of administration of study drug- every 5 minutes till 30 minutes, every 30
minutes till 2 hours, every 4 hours till 12 hours and then every 6 hours up to 24 hours. 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
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)   01/05/2021 
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   NIL 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary  
Supraclavicular brachial plexus blocks are commonly administered in upper limb surgeries. Adjuvants such as dexmedetomidine, clonidine, dexamethasone etc are added in the block to prolong the duration of the block as well as for sedation and
analgesia. There are multiple studies comparing the effects of dexmedetomidine given intravenously and perineurally in supraclavicular brachial plexud blocks. A route other than intravenous injection or a low dose may help minimize cardiovascular risks such as bradycardia and hypotension associated with dexmedetomidine. However, few studies have addressed the clinical effects of low-dose intramuscular dexmedetomidine as premedication- and those studies were done in comparison to general anesthesia or in pediatric age group. This research question aims to bridge the existing gaps in literature as it compares the efficacy intramuscular and perineural dexmedetomidine in supraclavicular blocks in adults.
 
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