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CTRI Number  CTRI/2025/06/088744 [Registered on: 12/06/2025] Trial Registered Prospectively
Last Modified On: 12/06/2025
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   Comparision of analgesic efficacy of bupivacaine drug with and without an additive named dexmedetomidine in intervention of pudendal block in pediatric participants undergoing perineal procedures. 
Scientific Title of Study   Comparison of analgesic efficacy of dexmedetomidine as an adjuvant to 0.25% Bupivacaine vs. Plain 0.25% bupivacaine in ultrasound-guided pudendal nerve block in children undergoing perineal procedures: A prospective, randomized comparative study 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  NUNNA HANNAH MOUNIKA  
Designation  Fellow in pediatric anaesthesia 
Affiliation  Sri ramachandra institute of higher education and research  
Address  Department of Anesthesiology Sri ramachandra institute of higher education and research Porur Chennai

Chennai
TAMIL NADU
600116
India 
Phone  9493718157  
Fax    
Email  c125hannah@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  ARUNA PARAMESWARI 
Designation  Professor and Head of the Department 
Affiliation  Sri ramachandra institute of higher education and research  
Address  Department of Anaesthesia Sri ramachandra institute of higher education and research Porur Chennai

Chennai
TAMIL NADU
600116
India 
Phone  9493718157  
Fax    
Email  hod.anaesthesiology@sriramachandra.edu.in  
 
Details of Contact Person
Public Query
 
Name  NUNNA HANNAH MOUNIKA  
Designation  Fellow in Paediatric Anaesthesia 
Affiliation  Sri ramachandra institute of higher education and research  
Address  Department of Anesthesia Sri ramachandra institute of higher education and research Porur Chennai

Chennai
TAMIL NADU
600116
India 
Phone  9493718157  
Fax    
Email  c125hannah@gmail.com  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  Sri Ramachandra Institute of higher education and research 
Address  Department of Anesthesia Sri ramachandra institute of higher education and research Porur Chennai 600116 
Type of Sponsor  Research institution and hospital 
 
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 
NUNNA HANNAH MOUNIKA  Sri ramachandra institute of higher education and research  Department of Anesthesia Sri Ramachandra institute of higher education and research Porur Chennai 600116
Chennai
TAMIL NADU 
9493718157

c125hannah@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Committee for students proposals,SRIHER (DU)  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: N00-N99||Diseases of the genitourinary system,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  ultrasound guided pudendal block  comparing efficacy of plain 0.25% bupivacaine with dexmeditomidine as adjuvant to 0.25% bupivacaine in ultrasound guided pudendal block in paediatric urological procedures 
Comparator Agent  ultrasound guided pudendal block with dexmeditomidine as comparator agent  compare plain bupivacaine 0.25% and dexmeditomidine as adjuvant to 0.25% bupivacaine in ultrasound guided pudendal block for paediatric urological surgeries  
 
Inclusion Criteria  
Age From  6.00 Month(s)
Age To  7.00 Year(s)
Gender  Both 
Details  Age 6 months to 7 years
ASA physical status I- II
Scheduled to undergo elective perineal surgeries- circumcision, hypospadias, PUJ fulguration, chordee repair 
 
ExclusionCriteria 
Details  Parent refusal
History of allergic reactions to local aesthetics
Bleeding diathesis
Rash or infection at the injection site
Anatomical spinal abnormality
Liver diseases 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   On-site computer system 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Determine the effects of the intervention as duration of analgesia as first time to rescue analgesic  timeline assessed at baseline, every 5minutes till 90 minutes intraoperatively and till 24 hours post operatively. 
 
Secondary Outcome  
Outcome  TimePoints 
success of block
Quality of recovery score 
effectiveness of block and patient satisfaction in analgesic management 
 
Target Sample Size   Total Sample Size="44"
Sample Size from India="44" 
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)   24/06/2025 
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="0"
Months="3"
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  
Perioperative pain management in pediatric patients is essential for enhancing recovery and minimizing postoperative complications. Pudendal nerve block, a
regional anesthesia technique, is increasingly preferred for perineal surgeries as it provides targeted analgesia, reduces systemic opioid use, and minimizes complications associated with central neuraxial blocks, such as dural puncture, motor block, and urinary retention. Among local anesthetics, bupivacaine is widely used for its efficacy and prolonged action. However, the addition of adjuvants like
dexmedetomidine has shown promise in enhancing analgesia. in this study, we are comparing the efficacy of dexmeditomidine as an adjuvant to 0.25% bupivacaine.
 
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