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CTRI Number  CTRI/2023/07/054709 [Registered on: 04/07/2023] Trial Registered Prospectively
Last Modified On: 03/07/2023
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Ambispective 
Study Design  Other 
Public Title of Study   Evaluation of short term and long term effects of cochlear implantation on vestibular function  
Scientific Title of Study   Evaluation of short term and long term effects of cochlear implantation on vestibular function  
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  DrPrem Sagar 
Designation  Additional professor,DEPT OF ENT & HNS 
Affiliation  Aiims Delhi  
Address  Hostel 19,aiims Delhi hostel campus Masjid moth New Delhi

New Delhi
DELHI
110029
India 
Phone  9868078734  
Fax    
Email  sagardrprem@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  DrPrem Sagar 
Designation  Additional professor,DEPT OF ENT & HNS 
Affiliation  Aiims Delhi  
Address  Hostel 19,aiims Delhi hostel campus Masjid moth New Delhi

New Delhi
DELHI
110029
India 
Phone  9868078734  
Fax    
Email  sagardrprem@gmail.com  
 
Details of Contact Person
Public Query
 
Name  DrPrem Sagar 
Designation  Additional professor,DEPT OF ENT & HNS 
Affiliation  Aiims Delhi  
Address  Hostel 19,aiims Delhi hostel campus Masjid moth New Delhi

New Delhi
DELHI
110029
India 
Phone  9868078734  
Fax    
Email  sagardrprem@gmail.com  
 
Source of Monetary or Material Support  
Department of ENT 
 
Primary Sponsor  
Name  Department of ENT AND HNS,AIIMS DELHI 
Address  Aiims delhi 
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 
DrMehak Arora  Department of ENT AND HNS  Aiims delhi
New Delhi
DELHI 
7652852049

aroramehak19041995@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Ethics committee   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: H818||Other disorders of vestibular function,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  12.00 Year(s)
Age To  90.00 Year(s)
Gender  Both 
Details  -Cochlear implantees more than or equal to 12 years old
-Implantation surgery performed atleast 12 months ago
-Implant users or non-users
-Willing to participate
-Ability to understand and answer the relevant questions 
 
ExclusionCriteria 
Details  Patients with history of any of the following symptoms prior to cochlear implantion
Otorrhoea
Previous ear surgery
Dizziness
Imbalance
Vertigo
Head trauma
Significant differences in anatomical abnormalities between the operated and non operated ear


Patients unwilling to participate  
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Case Record Numbers 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Assessment of long-term effect of cochlear implantation on vestibular function
 
2years
 
 
Secondary Outcome  
Outcome  TimePoints 
1. Evaluation of the correlation between the effect of congenital Vs acquired etiology of SNHL and the vestibular function in the cochlear implantees.
2. Evaluation of association between patients’ perception of balance and the laboratory measurement of vestibular function
3.Assessment of the effect of vestibular function with the speech and language outcome of cochlear implant 
2 years 
 
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)   12/07/2023 
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="2"
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 - 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 - Informed Consent Form

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

  4. For what types of analyses will this data be available?
    Response - To achieve aims in the approved proposal.

  5. By what mechanism will data be made available?
    Response (Others) - 

  6. For how long will this data be available start date provided 11-05-2023 and end date provided 11-05-2030?
    Response - Beginning 3 months and ending 5 years following article publication.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - Nil
Brief Summary  

Cochlear implantation may have a detrimental effect on vestibular function and residual hearing which have been made evident in several studies but the long term effects of such things is not assessed  in detail yet. 



Since we have a robust data on more than 20 patients and would be expecting around 15 more to add to the study , we are expecting a reasonably good sample size.


 

The study also aims at investigating various factors which were not well elucidated and results obtained in this study would be substantial and are likely to build up on the existing knowledge on 

Importance of the integrity of  vestibular system in the overall outcome of cochlear implant recepients

 


 
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