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CTRI Number  CTRI/2025/08/093685 [Registered on: 26/08/2025] Trial Registered Prospectively
Last Modified On: 19/08/2025
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   Comparing two pain relief techniques after genital surgery in children 
Scientific Title of Study   Comparison of sacral erector spinae plane block with caudal block for post-operative analgesia in paediatric patients undergoing penoscrotal surgery. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  Other 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Prasanth R 
Designation  Postgraduate 
Affiliation  Vardhman Mahavir Medical college and Safdarjung Hospital 
Address  Department of Anaesthesia and Intensive care, VMMC and Safdarjung Hospital, Ansari Nagar East, New Delhi

New Delhi
DELHI
110029
India 
Phone  9952589435  
Fax    
Email  prashraj07@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr. Sapna Bathla 
Designation  Professor 
Affiliation  Vardhman Mahavir Medical college and Safdarjung Hospital 
Address  Department of Anaesthesia and Intensive care, VMMC and Safdarjung Hospital, Ansari Nagar East, New Delhi

New Delhi
DELHI
110029
India 
Phone  9582358200  
Fax    
Email  sapnapearl@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Sapna Bathla 
Designation  Professor 
Affiliation  Vardhman Mahavir Medical college and Safdarjung Hospital 
Address  Department of Anaesthesia and Intensive care, VMMC and Safdarjung Hospital, Ansari Nagar East, New Delhi

New Delhi
DELHI
110029
India 
Phone  9582358200  
Fax    
Email  sapnapearl@gmail.com  
 
Source of Monetary or Material Support  
Vardhman Mahavir Medical college and Safdarjung Hospital 
 
Primary Sponsor  
Name  Vardhman Mahavir Medical college and Safdarjung Hospital 
Address  Vardhman Mahavir Medical college and Safdarjung Hospital, Ansari Nagar West, New Delhi 110029 
Type of Sponsor  Government medical college 
 
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 Prasanth R  VMMC and Safdarjung Hospital  Department of Anaesthesia and Intensive care VMMC and Safdarjung Hospital Ansari Nagar East New Delhi
New Delhi
DELHI 
9952589435

prashraj07@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committe  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: Q54||Hypospadias, (2) ICD-10 Condition: N471||Phimosis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Caudal Block  Patients fulfilling the inclusion criteria will be included in the study. Detailed pre-anesthetic checkup will be done. Following patient details will be noted: Age, Gender, Weight, ASA class, Diagnosis, Planned Surgery. Random allocation 1:1 will be done into two groups: Sacral Erector Spinae Plane block and Caudal Block. Standard monitors will be attached: Pulse Oximetry, Non-invasive blood pressure (NIBP), Electrocardiography (ECG). Any additional monitoring deemed necessary for the surgery will also be used. Baseline heart rate, oxygen saturation and non-invasive blood pressure would be recorded. Induction of general anaesthesia will either be inhalational (with sevoflurane) or intravenous (with propofol dosed till unconscious), depending upon whether the patient has allowed preinduction intravenous cannulation. In either case, patient will receive intravenous Injection Fentanyl 2mcg/kg and 0.25 mg/kg Injection Atracurium. After adequate time for intermittent positive pressure ventilation, appropriately sized Proseal LMA shall be inserted and inflated with appropriate volume of air. After confirming correct placement, LMA shall be secured and mechanical ventilation initiated. The patient will be turned to lateral position to perform a caudal epidural block. After aseptic preparation of the block site, a high-frequency linear ultrasound probe will be placed transversely over the coccyx to obtain the transverse sonographic view of the sacral hiatus. Then, the transducer will be rotated to 90° to obtain a longitudinal view of the sacral hiatus. A 21-gauge, 38 mm needle will be inserted from the probe’s edge using an in-plane technique and then advanced into the sacral canal through the sacrococcygeal membrane. After negative aspiration, 0.5 ml/kg of 0.25% bupivacaine will be administered as per ‘Modified Armitage Dosing Regimen’. Patient will be made supine again and handed over to the surgical team. 
Intervention  Sacral Erector Spinae Plane Block  Patients fulfilling the inclusion criteria will be included in the study. Detailed pre-anesthetic checkup will be done. The purpose and procedure of the study will be explained to the guardians of the patients, and an informed written consent will be obtained. A patient information sheet shall be provided. The technique of both the blocks will be explained to the patients/ parents. Any queries regarding the study will be resolved. Following patient details will be noted: Age, Gender, Weight, ASA class, Diagnosis, Planned Surgery. Random allocation 1:1 will be done into two groups: Sacral Erector Spinae Plane block and Caudal Block. Standard monitors will be attached: Pulse Oximetry, Non-invasive blood pressure (NIBP), Electrocardiography (ECG). Any additional monitoring deemed necessary for the surgery will also be used. Baseline heart rate, oxygen saturation and non-invasive blood pressure would be recorded. Induction of general anaesthesia will either be inhalational (with sevoflurane) or intravenous (with propofol dosed till unconscious), depending upon whether the patient has allowed preinduction intravenous cannulation. In either case, patient will receive intravenous Injection Fentanyl 2mcg/kg and 0.25 mg/kg Injection Atracurium. After adequate time for intermittent positive pressure ventilation, appropriately sized Proseal LMA shall be inserted and inflated with appropriate volume of air. After confirming correct placement, LMA shall be secured and mechanical ventilation initiated. The patient will be turned to lateral position to perform Sacral Erector Spinae Plane block. After aseptic preparation of the block site, a high-frequency linear ultrasound probe will be placed longitudinally in the midline just over the sacrum. Median sacral crests and erector spinae muscles will be identified. An appropriately sized block needle will be inserted using an in-plane technique and will be advanced from cranial to caudal direction until its tip touches the top of the fourth median sacral crest. Following negative aspiration, 0.5 ml/kg of 0.25% bupivacaine will be administered. Patient will be made supine again and handed over to the surgical team 
 
Inclusion Criteria  
Age From  1.00 Year(s)
Age To  7.00 Year(s)
Gender  Male 
Details  Paediatric male patients, aged 1–7 years, with American Society of Anesthesiologists (ASA) physical status I or II, scheduled to undergo elective penoscrotal surgery under general anaesthesia. 
 
ExclusionCriteria 
Details  1. Patients with spinal anomalies, altered mental status, history of developmental delay
2. Infection at the site of injection
3. Documented allergy to local anaesthetic agents
4. Additional surgical procedures at different surgical sites  
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare duration of analgesia (time to first rescue analgesia) in Sacral erector spinae plane
block group and Caudal block group in paediatric patients undergoing penoscrotal surgery
under general anaesthesia. 
From completion of block until first administration of rescue analgesia within 24 hours postoperatively. 
 
Secondary Outcome  
Outcome  TimePoints 
Postoperative pain scores using FLACC scale  At 0h(Immediate postoperative period),1h, 2h, 4h, 6h, 12h and 24h.  
Total postoperative oral Ibuprofen Consumption(mg) in 24 hours  Cumulative dose from 0-24 hours postoperatively 
 
Target Sample Size   Total Sample Size="70"
Sample Size from India="70" 
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)   15/09/2025 
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  

This study will compare two different anaesthesia techniques, the sacral erector spinae plane block and the caudal block  for controlling pain after genital surgery in children. Children undergoing surgery for conditions like hypospadias or circumcision under general anaesthesia will be randomly assigned to receive one of these blocks. Pain scores, duration of pain relief, and the amount of additional pain medicine needed in the first 24 hours after surgery will be recorded and compared between the two groups.

 
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