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CTRI Number  CTRI/2025/01/079724 [Registered on: 29/01/2025] Trial Registered Prospectively
Last Modified On: 29/01/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Other 
Public Title of Study   Comparing the efficacy of dexmedetomidine and clonidine in spinal anesthesia in infra umbilical surgeries  
Scientific Title of Study   Effect of dexmedetomidine versus clonidine as an adjuvant to hyperbaric bupivacaine in subarachnoid block for the duration of analgesia in the patients undergoing infra umbilical 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  Preeti Shirabur  
Designation  Post graduate  
Affiliation  ESIC medical College and PGIMSR 
Address  Room 1 Department of anaesthesiology,2nd floor Bangalore

Bangalore
KARNATAKA
560010
India 
Phone  8197901367  
Fax    
Email  preetishirabur@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Deepak Dhummansure 
Designation  Professor and HOD 
Affiliation  ESIC medical College and PGIMSR 
Address  2nd floor OT complex department of Anesthesiology ESIC medical College and PGIMSR Rajajinagar

Bangalore
KARNATAKA
560010
India 
Phone  9980050864  
Fax    
Email  10drdeepak@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Preeti Shirabur  
Designation  Post graduate  
Affiliation  ESIC medical College and PGIMSR 
Address  Room 1 Department of anaesthesiology,2nd floor Bangalore

Bangalore
KARNATAKA
560010
India 
Phone  8197901367  
Fax    
Email  preetishirabur@gmail.com  
 
Source of Monetary or Material Support  
ESIC Medical College and PGIMSR Rajajinagar Bangalore 560010 Karnataka India  
 
Primary Sponsor  
Name  Dr Preeti Shirabur  
Address  ESIC Medical college and PGIMSR,Rajajinagar,Bangalore-560010  
Type of Sponsor  Other [Self] 
 
Details of Secondary Sponsor  
Name  Address 
ESIC Medical college and PGIMSR   ESIC medical college and PGIMSR,Rajajinagar,Bangalore,560010 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Preeti Shirabur   ESIC medical College and PGIMSR   Department of Anesthesiology 2nd floor, room no 1,rajajinagar, banglore 560010
Bangalore
KARNATAKA 
8197901367

preetishirabur@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethical 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 
Comparator Agent  Comparing the duration of analgesia between clonidine and dexmedetomidine   Comparing the efficacy of dexmedetomidine and clonidine in terms of duration of analgesia  
Intervention  Subarachnoid block with study drugs dexmedetomidine and clonidine   Subarachnoid block given with the dexmedetomidine and clonidine and Comparing duration of analgesia between them 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1. Patient willing to give informed consent
2. American Society of Anesthesiologists (ASA) physical status I or II
3. Age 18-60 years.
4. Elective infra umbilical surgical procedures requiring regional anesthesia. 
 
ExclusionCriteria 
Details  1. BMI below 18 or above 35 kg/m2
2. Presence with known contraindications for spinal anesthesia.
3. Preoperative intake of opioid or non-steroidal anti- inflammatory drugs for chronic pain.
4. Chronic hepatic or renal failure. 
 
Method of Generating Random Sequence   Other 
Method of Concealment   Other 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
duration of analgesia between dexmedetomidine and clonidine as an adjuvant
to hyperbaric bupivacaine in spinal anesthesia for infra umbilical surgeries.  
6 hrs 
 
Secondary Outcome  
Outcome  TimePoints 
1. To compare the onset of sensory and motor block between dexmedetomidine and
clonidine.
2. To compare the duration of the motor block between dexmedetomidine and clonidine.
 
6 hrs 
 
Target Sample Size   Total Sample Size="100"
Sample Size from India="100" 
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)   09/02/2025 
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 Applicable 
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   Dexmedetomidine being more potent drug compared to clonidine hence duration of analgesia will be longer in dexmedetomidine  
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