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CTRI Number  CTRI/2025/04/084113 [Registered on: 04/04/2025] Trial Registered Prospectively
Last Modified On: 26/03/2025
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   Interscalene nerve block with ropivacaine 0.5% versus ropivacaine 0.5% and Dexmedetomidine 
Scientific Title of Study   A Prospective randomized and double blinded study comparing duration of post operative analgesia between ultrasound guided Interscalene block with Ropivacaine 0.5 percent and Interscalene block with Ropivacaine 0.5 percent and Dexmedetomidine as adjuvant for shoulder arthroscopic surgeries done under General anesthesia  
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 Aravindh Veeresh 
Designation  Post graduate - Anaesthesia 
Affiliation  SRM institute of medical sciences 
Address  Dr. Aravindh Veeresh, Anaesthesia Post graduate, Anaesthesia Department, SRM institute of medical sciences, Vadapalani, Chennai.
No.1, Jawaharlal Nehru road, Vadapalani, chennai
Chennai
TAMIL NADU
600026
India 
Phone  7010897280  
Fax    
Email  aravindh10veeresh@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Aanand Shankar 
Designation  Senior consultant Anaesthesiologist 
Affiliation  SRM institute of medical sciences 
Address  Dr. Aanand Shankar, Senior consultant, Anaesthesia department, SRM Institute of medical sciences, Vadapalani, Chennai.
No.1, Jawaharlal Nehru road, Vadapalani, chennai
Chennai
TAMIL NADU
600026
India 
Phone  9841440448  
Fax    
Email  draanandshankar80@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Aravindh Veeresh 
Designation  Post graduate - Anaesthesia 
Affiliation  SRM institute of medical sciences 
Address  Dr. Aravindh Veeresh, Anaesthesia Post graduate, Anaesthesia Department, SRM institute of medical sciences, Vadapalani, Chennai.
No.1, Jawaharlal Nehru road, Vadapalani, chennai
Chennai
TAMIL NADU
600026
India 
Phone  7010897280  
Fax    
Email  aravindh10veeresh@gmail.com  
 
Source of Monetary or Material Support  
SRM institute of medical sciences, No.1 , Jawaharlal Nehru road, Vadapalani, Chennai, India. Pincode: 600026 
 
Primary Sponsor  
Name  SRM institute of medical sciences 
Address  SIMS Hospital, No.1, Jawaharlal Nehru road, Vadapalani, Chennai, India. Pincode: 600026 
Type of Sponsor  Private hospital/clinic 
 
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 Aravindh Veeresh  SRM institute of medical sciences  Operation theatre and Pre anaesthesia room, Anaesthesia department SIMS Hospital, No.1, Jawaharlal Nehru road, Vadapalani, Chennai, India. Pincode: 600026
Chennai
TAMIL NADU 
7010897280

aravindh10veeresh@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
SIMS institutional ethics 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 
Intervention  Interscalene block   USG guided Interscalene block with Ropivacaine 0.5 percent Duration: 5 to 10 minutes Observation: 48 hours post procedure 
Comparator Agent  Interscalene block  USG guided interscalene block with ropivacaine and ropivacaine and dexmedetomidine Duration: 5 to 10 minutes Observation: 48 hours post procedure 
 
Inclusion Criteria  
Age From  20.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  ASA Grade 1 and 2
Patients admitted for shoulder arthroscopic surgery 
 
ExclusionCriteria 
Details  ASA grade 3 and 4
Pregnant and lactating mothers 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To study the postoperative analgesia in Group A and B
 
30 minutes, 2 hours, 6 hours, 18 hours, 24 hours, 36 hours, 48 hours
 
 
Secondary Outcome  
Outcome  TimePoints 
To study the motor weakness & rescue analgesic requirement  30 minutes 2 hours 6 hours 18 hours 24 hours 36 hours 48 hours 
 
Target Sample Size   Total Sample Size="40"
Sample Size from India="40" 
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 4 
Date of First Enrollment (India)   20/04/2025 
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="0"
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 - Informed Consent Form
    Response - Clinical Study Report

  3. Who will be able to view these files?
    Response - Anyone

  4. For what types of analyses will this data be available?
    Response - Any purpose.

  5. By what mechanism will data be made available?
    Response (Others) -  IN study publication

  6. For how long will this data be available start date provided 20-10-2026 and end date provided 20-10-2036?
    Response - Immediately following publication. No end date.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - NIL
Brief Summary   USG guided interscalene block for patients posted for shoulder arthroscopic surgery in SIMS hospital 
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