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CTRI Number  CTRI/2026/01/100959 [Registered on: 13/01/2026] Trial Registered Prospectively
Last Modified On: 13/01/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Single Arm Study 
Public Title of Study   Posterior auricular artery as a landmark for identifying facial nerve trunk during Parotidectomy,in patients between 18 and 80 years of age with parotid swelling,by measuring the distance between the artery and facial nerve trunk so as to prevent injury to facial nerve during Parotidectomy. 
Scientific Title of Study   Posterior auricular artery as an anatomical landmark for identifying facial nerve trunk during Parotidectomy 
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 Gayathry PP 
Designation  Post Diploma DNB Resident ENT 
Affiliation  Kovai Medical Center and Hospital 
Address  Department of Otorhinolaryngology Kovai Medical Center and Hospital Avinashi road Coimbatore

Coimbatore
TAMIL NADU
641014
India 
Phone  7561086747  
Fax    
Email  gayathrysinup777@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Diwakar M 
Designation  MS ENT,MRCS,FRCS(ORL-HNS) 
Affiliation  Kovai Medical Center and Hospital 
Address  Room number 16 Department of Otorhinolaryngology Kovai Medical Center and Hospital Avinashi road Coimbatore

Coimbatore
TAMIL NADU
641014
India 
Phone  9442250950  
Fax    
Email  dhiwamahi@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Dr Diwakar M 
Designation  MS ENT,MRCS,FRCS(ORL-HNS) 
Affiliation  Kovai Medical Center and Hospital 
Address  Room number 16 Department of Otorhinolaryngology Kovai Medical Center and Hospital Avinashi road Coimbatore

Coimbatore
TAMIL NADU
641014
India 
Phone  9442250950  
Fax    
Email  dhiwamahi@yahoo.com  
 
Source of Monetary or Material Support  
Kovai Medical Center and Hospital 
 
Primary Sponsor  
Name  Dr Gayathry PP 
Address  Department of Otorhinolaryngology Kovai Medical Center and Hospital Avinashi road Coimbatore Tamil nadu 641014 
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 
Dr Gayathry PP  Kovai Medical Center and Hospital  Room no 16, Department of ENT,Head and neck surgery
Coimbatore
TAMIL NADU 
7561086747

gayathrysinup777@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Kovai Medical Center Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Identifying Posterior auricular artery during parotidectomy  Axial Distance between Posterior auricular artery and facial nerve trunk in sagittal plane is measured during Parotidectomy and to explore the utility of posterior auricular artery as an anatomical landmark for identifying facial nerve trunk during parotidectomy 
Comparator Agent  Not applicable   Not applicable  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  All adult patients between 18 and 80 years of age undergoing parotidectomy during the study period will be included in this study. 
 
ExclusionCriteria 
Details  All patients with previous history of parotid surgery will be excluded in this study. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
1.To identify the relationship between posterior auricular artery and the facial nerve
trunk during Parotidectomy
2.To measure the axial distance between the Posterior auricular artery from its exit to the facial nerve trunk in saggital plane.
 
1 year 
 
Secondary Outcome  
Outcome  TimePoints 
To validate the utility of Posterior auricular artery as an anatomical landmark for identifying facial nerve trunk during Parotidectomy   1 year 
 
Target Sample Size   Total Sample Size="80"
Sample Size from India="80" 
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)   01/02/2026 
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 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   In this study the the utility of Posterior auricular artery as an anatomical landmark to identify facial nerve trunk during parotidectomy is explored by measuring the axial distance between the posterior auricular artery and the facial nerve trunk  in sagittal plane during Parotidectomy and the collected data will be entered in Microsoft excel sheet and analysed with IBM SPSS Statistics and compared with published scientific theories 
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