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CTRI Number  CTRI/2020/04/024686 [Registered on: 16/04/2020] Trial Registered Prospectively
Last Modified On: 09/04/2020
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Follow Up Study 
Study Design  Single Arm Study 
Public Title of Study   To study the remaining hearing capability of children after surgery to insert a hearing device in the ear. 
Scientific Title of Study   Residual hearing following cochlear implantation: An observational study 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Stuti Chowdhary 
Designation  Junior Resident 
Affiliation  Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER) 
Address  Department of E.N.T. Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER)

Pondicherry
PONDICHERRY
605006
India 
Phone  7447661928  
Fax    
Email  stuti.9894@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Arun Alexander 
Designation  Professor 
Affiliation  Department of E.N.T. 
Address  Department of E.N.T. Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER)
Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER)
Pondicherry
PONDICHERRY
605006
India 
Phone  9443021595  
Fax    
Email  arun.a@jipmer.edu.in  
 
Details of Contact Person
Public Query
 
Name  Dr Arun Alexander 
Designation  Professor 
Affiliation  Department of E.N.T. 
Address  Department of E.N.T. Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER)
Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER)
Pondicherry
PONDICHERRY
605006
India 
Phone  9443021595  
Fax    
Email  arun.a@jipmer.edu.in  
 
Source of Monetary or Material Support  
Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry-605006 
 
Primary Sponsor  
Name  Jipmer Pondicherry 
Address  Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry- 605006 
Type of Sponsor  Research institution and hospital 
 
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 Stuti Chowdhary  Ent Opd Jipmer  Ent Opd Department of Ent Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry-605006
Pondicherry
PONDICHERRY 
7447661928

stuti.9894@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUITONAL ETHICS COMMITTEE  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: H903||Sensorineural hearing loss, bilateral,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  3.00 Year(s)
Age To  8.00 Year(s)
Gender  Both 
Details  All children who have undergone cochlear implantation at least 6 months before the day of assessment. 
 
ExclusionCriteria 
Details  1. Cochlear implantation done for anatomically abnormal cochlea
2. Children who have undergone a revision cochlear implant in the same ear.
3. Children unable to understand commands for pure tone audiometry.
 
 
Method of Generating Random Sequence    
Method of Concealment    
Blinding/Masking    
Primary Outcome  
Outcome  TimePoints 
Residual hearing preservation using the Skarzynski formula.  June 2020 
 
Secondary Outcome  
Outcome  TimePoints 
To determine the optimum length of electrode array needed to provide electrical stimulation without damage to the residual hearing.  June 2020 
 
Target Sample Size   Total Sample Size="49"
Sample Size from India="49" 
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)   20/04/2020 
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 Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   Nil 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Brief Summary   1. Title: Residual hearing following cochlear implantation: An observational study
2. Research hypothesis: a. Cochlear implantation causes damage to the residual hearing
                                        b. There is a negative correlation between depth of insertion of a cochlear implant and residual hearing.
3. Primary objective: To evaluate residual hearing after cochlear implantation.
4. Secondary objective: To correlate depth of insertion of electrode array and residual hearing.
 
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