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CTRI Number  CTRI/2025/06/089092 [Registered on: 18/06/2025] Trial Registered Prospectively
Last Modified On: 18/06/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Follow Up Study 
Study Design  Other 
Public Title of Study   A study that compares spinal anesthesia between dexmedetomidine and fentanyl as adjuvant with bupivacaine for onset and duration of action in orthopedic surgeries 
Scientific Title of Study   A COMPARATIVE STUDY OF INTRATHECAL DEXMEDETOMIDINE AND FENTANYL AS ADJUVANTS TO BUPIVACAINE IN ORTHOPAEDIC SURGERIES 
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 SHUBHAM J 
Designation  Junior Resident 
Affiliation  Kasturba Medical College Mangalore  
Address  Department of Anaesthesiology Kasturba Medical College Lighthouse Hill road
Mangalore Dakshina kannada Karnataka India 575001
Dakshina Kannada
KARNATAKA
575001
India 
Phone  09738757646  
Fax    
Email  shubhamrreddy18@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  DR RANJAN RAO 
Designation  PROFESSOR 
Affiliation  Kasturba Medical College Mangalore  
Address  Department of Anaesthesiology Kasturba Medical College Lighthouse Hill road
Mangalore Dakshina kannada Karnataka India 575001
Dakshina Kannada
KARNATAKA
575001
India 
Phone  9449837154  
Fax    
Email  ranjan.rk@manipal.edu   
 
Details of Contact Person
Public Query
 
Name  DR RANJAN RAO 
Designation  PROFESSOR 
Affiliation  Kasturba Medical College Mangalore  
Address  Department of Anaesthesiology Kasturba Medical College Lighthouse Hill road
Mangalore Dakshina kannada Karnataka India 575001
Dakshina Kannada
KARNATAKA
575001
India 
Phone  9449837154  
Fax    
Email  ranjan.rk@manipal.edu   
 
Source of Monetary or Material Support  
Manipal Academy of Higher Education Manipal, Dakshina Kannada, Karnataka,576104  
 
Primary Sponsor  
Name  DR. SHUBHAM J 
Address  Department of Anaesthesiology Kasturba Medical College Mangalore 575001 Dakshina Kannada KARNATAKA 
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 SHUBHAM J  Kasturba Medical College  Department of Anaesthesiology Kasturba Medical College Lighthouse Hill road Mangalore Dakshina kannada Karnataka India 575001
Dakshina Kannada
KARNATAKA 
09738757646

shubhamrreddy18@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Commitee, Kasturba Medical College Mangalore  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  Nil  Nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  1 Patients aged 18 to 50 years scheduled for elective orthopedic surgeries under spinal anesthesia

2 American Society of Anesthesiologists (ASA) physical status I or II

3 Willing to give consent
 
 
ExclusionCriteria 
Details  • Age less than 18 and more than 50 years
• ASA more than III
• Patient allergic to any of the study drug
• Heart block/ dysrrhythmia,
• On therapy with adrenergic receptor antagonist, calcium channel blocker, and/or ACE inhibitor.
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
onset and duration of sensory and motor block  1 hour
2 hour
4 hour
6 hour
12 hour
16 hour
24 hour
 
 
Secondary Outcome  
Outcome  TimePoints 
a) Hemodynamic Paramters
b) Postoperative analgesia
c) Adverse events
 
1st hour,2nd hour,4th hour,6th hour,8th hour,12th hour,16th hour,24th hour post spinal anaesthesia 
 
Target Sample Size   Total Sample Size="72"
Sample Size from India="72" 
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)   29/06/2025 
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="6"
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 - NO
Brief Summary  

Compare the analgesic effect provided by intrathecal Dexmedetomidine and Fentanyl as adjuvant to bupivacaine in lower limb orthopaedic surgeries

 
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