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CTRI Number  CTRI/2025/04/085375 [Registered on: 23/04/2025] Trial Registered Prospectively
Last Modified On: 21/04/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Prospective Analytical study 
Study Design  Other 
Public Title of Study   NIL 
Scientific Title of Study   Assessment of Facial Asymmetry in people with Bell’s Palsy Using Triangulation photogrammetry based Artificial Intelligence- A Prospective Observational 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  Rohan Birajdar 
Designation  Post Graduate  
Affiliation  Department of Physiotherapy, Kasturba Medical College, Mangalore,  
Address  Department of Physiotherapy, Kasturba Medical College,
Mangalore, Centre for Basic Sciences, Bejai, Mangalore – dakshina kannada karnataka 575004
Dakshina Kannada
KARNATAKA
575004
India 
Phone  9112406933  
Fax    
Email  birajdarrohanbvc@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Abraham M Joshua 
Designation  Additional professor  
Affiliation  Department of Physiotherapy, Kasturba Medical College, Mangalore,  
Address  Department of Physiotherapy, Kasturba Medical College, Mangalore, Centre for Basic Sciences, Bejai, Mangalore – dakshina kannada karnataka 575004

Dakshina Kannada
KARNATAKA
575004
India 
Phone  9886188221  
Fax    
Email  abraham.joshua@manipal.edu  
 
Details of Contact Person
Public Query
 
Name  Dr Abraham M Joshua 
Designation  Additional professor  
Affiliation  Department of Physiotherapy, Kasturba Medical College, Mangalore,  
Address  Department of Physiotherapy, Kasturba Medical College, Mangalore, Centre for Basic Sciences, Bejai, Mangalore – dakshina kannada karnataka 575004

Dakshina Kannada
KARNATAKA
575004
India 
Phone  9886188221  
Fax    
Email  abraham.joshua@manipal.edu  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  Rohan Birajdar  
Address  Department of Physiotherapy, Kasturba Medical College, Mangalore, Centre for Basic Sciences, Bejai, Mangalore – 575004 
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 
DrAbraham M Joshua  Kasturba Medical College, Mangalore.  Department of Physiotherapy,5th floor, B.R Ambedkar circle,Hampankatta,Mangaluru, Karnataka.575001
Dakshina Kannada
KARNATAKA 
9886188221

abraham.joshua@manipal.edu 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics CommitteeKasturba Medical College, Mangalore   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  AGE AND GENDER MATCHED INDIVIDUALS  
Patients  (1) ICD-10 Condition: G510||Bells palsy,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  90.00 Year(s)
Gender  Both 
Details  Subjects diagnosed with Bell’s Palsy in acute stages to subacute in the age group 18 and above.
Age and gender-matched subjects without facial palsy.
 
 
ExclusionCriteria 
Details  1. Subjects with facial asymmetry arising from causes other than Bell’s palsy.
2. Subjects with other neurological conditions
3. Subjects with facial trauma and UMN facial palsy.
4. Subjects with asymmetric loss of dentation.
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
The data generated based on photogrammetry at various stages of Bell’s palsy prognosis will be used to train artificial intelligence to identify asymmetry and estimate its degree of severity. The photogrammetry data collected from normal subjects will be used as a comparator for training the AI.  The data generated based on photogrammetry at various stages of Bell’s palsy prognosis will be used to train artificial intelligence to identify asymmetry and estimate its degree of severity. The photogrammetry data collected from normal subjects will be used as a comparator for training the AI. The procedure will be carried out twice, on the day of enrolment to the study (0) and after completion of the 4th week. 
 
Secondary Outcome  
Outcome  TimePoints 
The data generated based on photogrammetry at various stages of Bell’s palsy prognosis will be used to train artificial intelligence to identify asymmetry & estimate its degree of severity. The photogrammetry data collected from normal subjects will be used as a comparator for training the AI. The procedure will be carried out twice, on the day of enrolment to the study (0) & after completion of the 4th week.  for healthy individuals once  
 
Target Sample Size   Total Sample Size="30"
Sample Size from India="30" 
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)   05/05/2025 
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 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  

AIM OF THE STUDY:

  To Assess Facial Asymmetry in people with Bell’s Palsy Using Triangulation photogrammetry based Artificial Intelligence.

OBJECTIVES OF STUDY:

1.     To use Triangulation-based photogrammetry techniques for detailed 2D modeling of facial asymmetry in people with Bell’s palsy.

2.    To Train AI with data of Triangulation-based photogrammetry to capture both static and dynamic asymmetry accurately.

 
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