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CTRI Number  CTRI/2019/11/021968 [Registered on: 11/11/2019] Trial Registered Prospectively
Last Modified On: 15/12/2019
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Medical Device 
Study Design  Single Arm Study 
Public Title of Study   Clinical Trials of Indian Cochlear Implant system SRAVAN to evaluate for effectiveness in improving hearing in patients with severe to profound hearing loss 
Scientific Title of Study   Multi-centric clinical trials of SRAVAN Indian Cochlear Implant system indigenously developed by DRDO 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
Protocol No. MCT/Sravan/Version dated 03/09/2014  DCGI 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  MD VENKATESH 
Designation  VICE CHANCELLOR 
Affiliation  SIKKIM MANIPAL UNIVERSITY 
Address  Room no.1 O/o Vice Chancellor SIKKIM MANIPAL UNVERSITY 5TH MILE UPPER TADONG GANGTOK

South
SIKKIM
737102
India 
Phone    
Fax    
Email  sumvenk@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  SRIPATHY 
Designation  PROGRAM MANAGER 
Affiliation  SOCIETY FOR BIOMEDICAL TECHNOLOGY 
Address  Room no: 113 SBMT Division DEBEL ADE CAMPUS BANGALORE

Bangalore
KARNATAKA
560075
India 
Phone  9845042719  
Fax    
Email  contact@sbmtindia.org  
 
Details of Contact Person
Public Query
 
Name  DR V BHUJANGA RAO 
Designation  ISRO CHAIR PROFESSOR & CHIEF DESIGNER 
Affiliation  NATIONAL INSTITUTE OF ADVANCED STUDIES 
Address  F22 ACADEMIC BLOCK NIAS IISC CAMPUS BANGALORE

Bangalore
KARNATAKA
560012
India 
Phone    
Fax    
Email  vepcrew1@rediffmail.com  
 
Source of Monetary or Material Support  
SOCIETY FOR BIOMEDICAL TECHNOLOGY DEBEL DRDO ADE CAMPUS BANGALORE 560075 
 
Primary Sponsor  
Name  SOCIETY FOR BIOMEDICAL TECHNOLOGY 
Address  DEBEL ADE CAMPUS 
Type of Sponsor  Other [Registered Society] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 5  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
PROF ALOK THAKAR  ALL INDIA INSTITUTE OF MEDICAL SCIENCES  Dept of Otorhinolaryngology & Head - Neck Surgery AIIMS ANSARI NAGAR NEW DELHI 110029
South
DELHI 
9999755916

drathakar@gmail.com 
DR SUNIL NARAYAN DUTT  APOLLO HOSPITALS  Department of Otolaryngology (ENT) & Head-Neck Surgery Apollo Hospitals, Bannerghatta Road Opposite IIM (B), BANGALORE 560 076, INDIA
Bangalore
KARNATAKA 
9900128981

sunildutt@hotmail.com 
PROF MARY JOHN  CHRISTIAN MEDICAL COLLEGE  Department of ENT Unit-2, General and Pediatric ENT- hearing, implant and airway clinics, Christian Medical College, VELLORE 632004
Vellore
TAMIL NADU 
04162282798

maryjohn@cmcvellore.ac.in 
PROF NARESH PANDA  POST GRADUATE INSTITUTE OF MEDICAL EDUCATION & RESEARCH  Dept of Otolaryngology PGIMER SECTOR 12 CHANDIGARH
Chandigarh
CHANDIGARH 
01722756760

npanda59@yahoo.co.in 
PROF A RAVI KUMAR  SRI RAMACHANDRA MEDICAL COLLEGE  Dept of ENT PORUR CHENNAI
Chennai
TAMIL NADU 
09840433002

arunachalamravikumar1954@gmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 5  
Name of Committee  Approval Status 
IECCS APOLLO BANGALORE  Approved 
INSTITUTE ETHICS COMMITTEE AIIMS  Approved 
INSTITUTE ETHICS COMMITTEE PGIMER  Submittted/Under Review 
INSTITUTIONAL ETHICS COMMITTEE SRI RAMACHANDRA INSTITUTE OF HIGHER EDUCATION AND RESEARCH  Approved 
INSTITUTIONAL REVIEW BOARD CMC VELLORE  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Approved/Obtained 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: H838||Other specified diseases of innerear,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  COCHLEAR IMPLANT  Cochlear Implant is an electronic device implanted into the inner ear to improve hearing perception. The device consists of Implantable Receiver Stimulator (IRS) and External Speech processor. The IRS is implanted and the patient is given audio verbal therapy for hearing and speech training. Duration of followup for trials is 2 years while the implant is designed to have life of 25 years.  
Comparator Agent  NOT APPLICABLE  NOT APPLICABLE 
 
Inclusion Criteria  
Age From  1.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  INDIVIDUALS WITH PRE-LINGUAL OR POST-LINGUAL SEVERE TO PROFOUND SENSORI-NEURAL HEARING LOSS WITH NO BENEFIT FROM HEARING AIDS 
 
ExclusionCriteria 
Details  1. DEAFNESS DUE TO LESIONS OF ACOUSTIC NERVE OR OF CENTRAL AUDITORY PATHWAY
2. ABSENCE OF COCHLEAR DEVELOPMENT OR ABNORMAL COCHLEAR ANATOMY
3.ABSENCE OF COCHLEAR NERVE ON MRI
4. TYMPANIC MEMBRANE PERFORATIONS AND ACTIVE MIDDLE EAR INFECTIONS
5. POST MENINGITIS COCHLEAR OSSIFICATION  
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
IMPROVEMENT IN HEARING
IMPROVEMENT IN SPEECH PERCEPTION
 
12 months 
 
Secondary Outcome  
Outcome  TimePoints 
IMPROVED OVERALL COMMUNICATION ABILITY
IMPROVED CONFIDENCE AND SOCIAL INTERACTIONS 
24 MONTHS  
 
Target Sample Size   Total Sample Size="50"
Sample Size from India="50" 
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 3 
Date of First Enrollment (India)   12/11/2019 
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="3"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details   NIL 
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary   Sensory neural hearing loss is a major clinical problem encountered in pediatric and adult population. Cochlear implantation is now an established and well accepted mode of rehabilitation of profound deaf around the world. However due to high cost of implant many patients are unable to afford it. An indigenous affordable cochlear implant system has been developed under the aegis of society for biomedical technology to benefit the needy population. The device needs to be subjected to multi-centric human trials to evaluate safety and efficacy in subjects with profound sensoryneural hearing loss. The primary outcome in terms of improvement in hearing and speech development will be measured during the followup period. 
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