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CTRI Number  CTRI/2025/02/080227 [Registered on: 10/02/2025] Trial Registered Prospectively
Last Modified On: 03/02/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   To compare the pain relieving effect of two drugs given via regional method versus when given intravenously in patients undergoing ear surgeries. 
Scientific Title of Study   To assess the efficiency of Greater Auricular Nerve Block for Post Operative Analgesia in patients underoing Tympanomastoid Surgeries under General Anaesthesia 
Trial Acronym  nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Niveditha Kishore Srinivasan 
Designation  JUNIOR RESIDENT 
Affiliation  Dr. D.Y.Patil Medical College, Hospital and Research Centre 
Address  Department of Anaesthesia, 5th Floor, Hi-tech building, Dr. D.Y.Patil Medical College, Hospital and Research Centre, Sant Tukaram Nagar, Pimpri, Pune Pune MAHARASHTRA 411018 India

Pune
MAHARASHTRA
411018
India 
Phone  09082215575  
Fax    
Email  niveditha2899@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Bhavini Shah 
Designation  Professor, Department of Anesthesiology 
Affiliation  DR. D.Y.PATIL MEDICAL COLLEGE, HOSPITAL AND RESEARCH CENTRE, PIMPRI, PUNE 
Address  Department of Anaesthesia, 5th Floor, Hi-tech building, Dr. D.Y.Patil Medical College, Hospital and Research Centre, Sant Tukaram Nagar, Pimpri, Pune Pune MAHARASHTRA 411018 India

Pune
MAHARASHTRA
411018
India 
Phone  9850829994  
Fax    
Email  drbhavinishah71@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Bhavini Shah 
Designation  Professor, Department of Anesthesiology 
Affiliation  DR. D.Y.PATIL MEDICAL COLLEGE, HOSPITAL AND RESEARCH CENTRE, PIMPRI, PUNE 
Address  Department of Anaesthesia, 5th Floor, Hi-tech building, Dr. D.Y.Patil Medical College, Hospital and Research Centre, Sant Tukaram Nagar, Pimpri, Pune Pune MAHARASHTRA 411018 India

Pune
MAHARASHTRA
411018
India 
Phone  9850829994  
Fax    
Email  drbhavinishah71@gmail.com  
 
Source of Monetary or Material Support  
Central pharmacy, 5th floor, Hi- tech building, Dr DY Patil college, hospital and research centre, Sant Tukaram Nagar, Pimpri Pune. 411018 
 
Primary Sponsor  
Name  Niveditha Kishore Srinivasan 
Address  Department of Anaesthesia, 5th Floor, Hi-tech building, Dr. D.Y.Patil Medical College, Hospital and Research Centre, Sant Tukaram Nagar, Pimpri, Pune 
Type of Sponsor  Other [self] 
 
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 
NIVEDITHA KISHORE SRINIVASAN  DR. D.Y. PATIL MEDICAL COLLEGE, HOSPITAL AND RESEARCH CENTRE  Department of Anaesthesia, 5th floor, Hi-tech building, Dr. D.Y. Patil Medical College Hospital and Research Centre, Sant Tukaram Nagar, Pimpri, Pune 411018
Pune
MAHARASHTRA 
9082215575

niveditha2899@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Sub-Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: H60-H95||Diseases of the ear and mastoid process,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Greater Auricular Nerve Block with 5ml of 0.25% inj Bupivacaine  Greater Auricular Nerve Block will be given with 5ml of 0.25% inj Bupivacaine prior to extubation 
Comparator Agent  Intravenous inj. Diclofenac 75mg  Inj Diclofenac 75mg will be given intravenously prior to extubation 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  1) American Society of Anaesthesiology (ASA) grade I and II
2) Hemodynamically stable patients with all routine investigations within the normal limits.
3) Patients who give informed written consent and are willing to be a part of the study. 
 
ExclusionCriteria 
Details  1) Patients with bleeding disorders or on anticoagulants
2) Patients with facial nerve palsy
3) Infection/trauma/skin conditions at the site of block
4) History of allergy to any of the drugs being used under study
5) Patients unable to comprehend VAS/ known neurological/psychiatric illness
6) Unwilling patients
7) ASA 3 or above 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   On-site computer system 
Blinding/Masking   Participant, Investigator, Outcome Assessor and Date-entry Operator Blinded 
Primary Outcome  
Outcome  TimePoints 
Greater Auricular Nerve Block for Post Operative Analgesia in Tympanomastoid surgeries  Haemodynamic monitoring after giving the block-
1) At the end of surgery
Post Operatively at-
2) 0 minutes
3) 30 minutes
3) 1 hour
4) 6 hours
5) 12 hours 
 
Secondary Outcome  
Outcome  TimePoints 
Greater Auricular Nerve Block for Post Operative Analgesia in Tympanomastoid surgeries  Post Operative Visual Analogue Score will be assessed at-
1) 0 minutes
2) 30 minutes
3) 1 hour
4) 6 hours
5) 12 hours
If VAS score is more than 4, rescue analgesia will be given  
 
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 4 
Date of First Enrollment (India)   15/02/2025 
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="0"
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   It is a Prospective, Randomized Control Trial to assess post operative analgesia after giving Greater Auricular Nerve block in Tympanomastoid surgeries.

Parameters observed:
1) Heart rate (HR), Systolic blood pressure(SBP), diastolic blood pressure(DBP), Mean Arterial
Pressure(MAP), Oxygen saturation (SpO2) post operatively
2) Time between closure and first rescue analgesia
3) Post operative VAS
4) Any postoperative side effect or complications
5) Total requirement of rescue analgesia post operatively over 12 hours
At any time when VAS is greater than 4,  injection Paracetamol 1g intravenous will be given.
 
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