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CTRI Number  CTRI/2025/06/089644 [Registered on: 26/06/2025] Trial Registered Prospectively
Last Modified On: 25/06/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Comparison of analgesic method in children undergoing penile surgery 
Scientific Title of Study   Comparison of ultrasound-guided sacral multifidus plane block versus caudal epidural block (CEB) for analgesia in children undergoing penile surgery: a randomized controlled 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  Dr Alok Kumar Sahoo 
Designation  Additional Professor 
Affiliation  AIIMS, Bhubaneswar 
Address  Room no 8, Department of Anesthesiology, Hospital Buliding, AIIMS, BBSR

Khordha
ORISSA
751019
India 
Phone  9438884160  
Fax    
Email  alokks108@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Alok Kumar Sahoo 
Designation  Additional Professor 
Affiliation  AIIMS, Bhubaneswar 
Address  Dept of Anesthesiology, Room no 8, Hospital Buliding, AIIMS, BBSR

Khordha
ORISSA
751019
India 
Phone  9438884160  
Fax    
Email  alokks108@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Alok Kumar Sahoo 
Designation  Additional Professor 
Affiliation  AIIMS, Bhubaneswar 
Address  Det of Anesthesiology, Room no 8, Hospital Buliding, AIIMS, BBSR

Khordha
ORISSA
751019
India 
Phone  9438884160  
Fax    
Email  alokks108@gmail.com  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  AIIMS, Bhubaneswar 
Address  AIIMS, Sijua, Bhubaneswar 
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 
Dr Alok Kumar Sahoo  AIIMS, Bhubaneswar  Department of Anesthesiology, AIIMS, Bhubaneswar
Khordha
ORISSA 
09438884160

alokks108@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: N489||Disorder of penis, unspecified, (2) ICD-10 Condition: N51||Disorders of male genital organs in diseases classified elsewhere,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Caudal epidural block (CEB) with 0.25% Ropivacaine  Caudal epidural block after negative aspiration, 0.25% ropivacaine, will be injected in the canal at a dose of 0.5 -1 ml/kg, maximum 20 ml.  
Intervention  sacral multifidus plane block with ropivacain 0.25%  SMPB s will be performed at the S1 retrolaminar area level with ultrasonography (USG).Local anesthetic will be injected between the intermediate sacral crest and overlying multifidus muscle. 0.25% ropivacaine, maximum dose 2-3mg/kg, in total volume of 1 ml/ kg divided in both sides will be used for surgical anaesthesia blocks 
 
Inclusion Criteria  
Age From  3.00 Year(s)
Age To  12.00 Year(s)
Gender  Male 
Details 
1. ASA grade I and II patients
2. Male children aged between 3-12 years of age scheduled for hypospadias repair.
 
 
ExclusionCriteria 
Details 
1. Children with a bleeding disorder
2. Redo urethroplasty
3. Contraindication to CEB
4. Vertebral column anomaly
5. Neurological disorders
6. Refusal of the parents for regional blocks
 
 
Method of Generating Random Sequence    
Method of Concealment    
Blinding/Masking    
Primary Outcome  
Outcome  TimePoints 
To identify, the time to first rescue analgesia measured from the end to surgery till first dose of analgesics administrated in paediatric patient measured with Modified Objective Pain Scale (MOPS). The adequate pain control is defined as MOPS score less than or equal to 4 after surgery  the time to first rescue analgesia measured from the end to surgery till first dose of analgesics  
 
Secondary Outcome  
Outcome  TimePoints 
• Intraoperative haemodynamic parameters (heart rate, MAP) between groups.
• Modified Objective Pain Scale (MOPS) on arrival in post anaesthesia care unit at 1, 2, and 6 hours after surgery.
• Total intraoperative fentanyl consumption
• The total dose analgesics required in the first 24 hours of surgery.
• Surgeon satisfaction score concerning operating conditions will be recorded at the end of surgery on 5-point scoring system.
 
from end of surgery till 24hr  
 
Target Sample Size   Total Sample Size="68"
Sample Size from India="68" 
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 3 
Date of First Enrollment (India)   07/07/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  07/07/2025 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Open to Recruitment 
Recruitment Status of Trial (India)  Open to Recruitment 
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 -  Statistical Analysis Plan
    Response - Clinical Study Report

  3. Who will be able to view these files?
    Response - Researchers whose proposed use of the data has been approved by an independent review committee identified for this purpose.

  4. For what types of analyses will this data be available?
    Response - For individual participant data meta-analysis.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [alokks108@gmail.com].

  6. For how long will this data be available start date provided 01-12-2025 and end date provided 01-12-2028?
    Response - Beginning 9 months and ending 36 months following article publication.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - NIL
Brief Summary  

The sacral multifidus plane (SMPB) block is a regional block that targets both the dorsal and ventral roots of the spinal nerve, offering analgesia for both somatic and visceral pain. This technique facilitates the extensive distribution of local anaesthetics in a craniocaudal direction, effectively blocking multiple dermatomes From S1-S4. [4] Recently, some case reports suggested that the sacral multifidus plane block, was found to be an effective technique for providing postoperative pain relief in patients undergoing hypospadias surgery.

Hence, we hypothesize that the sacral multifidus plane block may provide equivalent analgesia compared to CEB in penile surgery.

 
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