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CTRI Number  CTRI/2025/10/095811 [Registered on: 09/10/2025] Trial Registered Prospectively
Last Modified On: 08/10/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Single Arm Study 
Public Title of Study   Study on the Effect of Pericapsular Nerve Group (PENG) Block with Radiocontrast in Patients Undergoing Hip Surgery” 
Scientific Title of Study   Assessing the Spread of Local Anaesthetic Injection Bupivacaine 0.25 percent(30ml) Using Radiocontrast Dye in Pericapsular Nerve Group (PENG) Block for Hip Surgeries – A Case Series 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Ahish Bhat K 
Designation  Postgraduate Resident 
Affiliation  Sapthagiri Institute of Medical Sciences and Research Centre 
Address  Sapthagiri Institute of Medical Sciences and Research Centre,DM-MCH hostel, Room number 606,15, Hesarghatta Rd, Navy Layout, AGB layout, Chikkabanavara, Bengaluru, Karnataka.

Bangalore
KARNATAKA
560090
India 
Phone  9481123633  
Fax    
Email  ahishkbhat@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Shashidhar 
Designation  Assistant Professor 
Affiliation  Sapthagiri Institute of Medical Sciences and Research Centre 
Address  Sapthagiri Institute of Medical Sciences and Research Centre,DM-MCH hostel, Room number 606,15, Hesarghatta Rd, Navy Layout, AGB layout, Chikkabanavara, Bengaluru, Karnataka.

Bangalore
KARNATAKA
560090
India 
Phone  9481123633  
Fax    
Email  ahishkbhat@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Ahish Bhat K 
Designation  Postgraduate Resident 
Affiliation  Sapthagiri Institute of Medical Sciences and Research Centre 
Address  Sapthagiri Institute of Medical Sciences and Research Centre,DM-MCH hostel, Room number 606,15, Hesarghatta Rd, Navy Layout, AGB layout, Chikkabanavara, Bengaluru, Karnataka.

Bangalore
KARNATAKA
560090
India 
Phone  9481123633  
Fax    
Email  ahishkbhat@gmail.com  
 
Source of Monetary or Material Support  
Department of anaesthesia, sapthagiri institute of medical science and research centre, 15, Hesarghatta Rd, Navy Layout, AGB layout, Chikkabanavara, Bengaluru, Karnataka 560090 
 
Primary Sponsor  
Name  Sapthagiri institute of medical science and research centre  
Address  DM MCH HOSTEL ROOM NO.606 15 Hesarghatta Rd Navy Layout AGB layout Chikkabanavara Bengaluru Karnataka 560090 
Type of Sponsor  Private 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 
Ahish Bhat K  Sapthagiri institute of medical science and research centre   DM MCH HOSTEL ROOM NO.606 15 Hesarghatta Rd Navy Layout AGB layout Chikkabanavara
Bangalore
KARNATAKA 
9481123633

ahishkbhat@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Sapthagiri institute of medical science and research centre institutional ethics committee   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: W011||Fall on same level from slipping,tripping and stumbling with subsequent striking against object, (2) ICD-10 Condition: V281||Motorcycle passenger injured in noncollision transport accident in nontraffic accident, (3) ICD-10 Condition: M161||Unilateral primary osteoarthritisof hip,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  NIL  NIL 
Intervention  Ultrasound-guided PENG block   Ultrasound-guided PENG block with 30 ml of 0.25% Bupivacaine mixed with iohexol radiocontrast dye (OMNIPAQUE), spread of anaesthetic will be assessed at 0, 5, 10, 15, 20 min, with grading for ease of positioning and VAS score 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  90.00 Year(s)
Gender  Both 
Details  1)Elective hip surgery under spinal anaesthesia.
2)ASA Physical Status I and II
3)Written informed consent provided.  
 
ExclusionCriteria 
Details  1)Allergy to local anaesthetics or radiocontrast agents.
2)Coagulopathy or ongoing anticoagulant therapy.
3)Local infection at injection site.
4)Pregnant or lactating women.
5)Acute and chronic kidney disease patients  
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To determine the spread of injection Bupivacaine 0.25%, 30ml in myofascial plane in ultrasound guided PENG block in elective hip surgeries in tertiary hospital for post op analgesia in terms of VAS score and ease of positioning for spinal anaesthesia   Spread is assessed at 0min, 5min, 10 min, 15 min and 20min along with ease of positioning and VAS score 
 
Secondary Outcome  
Outcome  TimePoints 
Nil  Nil 
 
Target Sample Size   Total Sample Size="10"
Sample Size from India="10" 
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)   20/10/2025 
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="0"
Days="5" 
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 - YES
  1. What data in particular will be shared?
    Response - All of the individual participant data collected during the trial, after de-identification.

  2. What additional supporting information will be shared?
    Response -  Study Protocol
    Response -  Statistical Analysis Plan
    Response - Informed Consent Form
    Response - Clinical Study Report
    Response -  Analytic Code
    Response - None of the above

  3. Who will be able to view these files?
    Response - Anyone

  4. For what types of analyses will this data be available?
    Response - Any purpose.

  5. By what mechanism will data be made available?
    Response (Others) -  Upon reasonable request after publication

  6. For how long will this data be available start date provided 01-04-2026 and end date provided 01-04-2027?
    Response - Immediately following publication. No end date.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - NIL
Brief Summary   This is a prospective observational case series designed to evaluate the anatomical spread and clinical efficacy of the Pericapsular Nerve Group (PENG) block in patients undergoing elective hip surgeries. Severe pain in hip fracture patients often makes positioning for subarachnoid block (SAB) difficult. The PENG block is a novel ultrasound-guided regional anaesthesia technique targeting the articular branches of the femoral, obturator, and accessory obturator nerves, potentially providing superior analgesia.
In this study, 10 adult patients, above 18 years, scheduled for hip surgeries under spinal anaesthesia will receive an ultrasound-guided PENG block with 30 ml of 0.25 bupivacaine mixed with iohexol radiocontrast dye (OMNIPAQUE). The injectate spread will be visualised using C-ARM imaging at 5, 10, and 20 minutes after injection.
Primary outcome: Anatomical spread pattern of the injectate as seen on C-ARM imaging and Reduction in pain intensity measured by Visual Analogue Scale (VAS) at baseline, immediately post-block, and at 10, 15, and 20 minutes and Ease of positioning for SAB graded on a 0–3 scale.
The findings will help understand the spread characteristics of the PENG block, optimise block techniques, and provide baseline data for future larger controlled trials.


 
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