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CTRI Number  CTRI/2024/01/061746 [Registered on: 23/01/2024] Trial Registered Prospectively
Last Modified On: 28/05/2024
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Medical Device 
Study Design  Randomized, Parallel Group, Multiple Arm Trial 
Public Title of Study   The effect of different sounds and external electrical pulses on ringing of ears. 
Scientific Title of Study
Modification(s)  
A study to evaluate the efficacy of vagus nerve stimulation and acoustic stimuli coupling in reducing tinnitus-related distress for chronic subjective tinnitus: a randomised controlled trial (RCT). 
Trial Acronym  AVNST 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Himanshu Dudeja 
Designation  M.Sc. (Audiology) Student 
Affiliation  Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh 
Address  Room Number - 441, Speech and Hearing Unit, Dept. of Otorhinolaryngology - Head and Neck Surgery, New OPD, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh

Chandigarh
CHANDIGARH
160012
India 
Phone  9711768938  
Fax    
Email  himanshu.dudeja14@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Himanshu Dudeja 
Designation  M.Sc. (Audiology) Student 
Affiliation  Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh 
Address  Room Number - 441, Speech and Hearing Unit, Dept. of Otorhinolaryngology - Head and Neck Surgery, New OPD, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh

Chandigarh
CHANDIGARH
160012
India 
Phone  9711768938  
Fax    
Email  himanshu.dudeja14@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Sanjay Munjal 
Designation  Professor & Incharge, Speech & Hearing Unit, Dept. of Otorhinolaryngology - Head and Neck Surgery 
Affiliation  Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh 
Address  Room Number - 441, Speech and Hearing Unit, Dept. of Otorhinolaryngology - Head and Neck Surgery, New OPD, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh

Chandigarh
CHANDIGARH
160012
India 
Phone  9815653262  
Fax    
Email  sanjaymunjal1@hotmail.com  
 
Source of Monetary or Material Support  
Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh 
 
Primary Sponsor  
Name  Himanshu Dudeja 
Address  Room Number - 441, Speech and Hearing Unit, Dept. of Otorhinolaryngology - Head and Neck Surgery, New OPD, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh 
Type of Sponsor  Other [Individual] 
 
Details of Secondary Sponsor  
Name  Address 
Dr Sanjay Munjal  Room Number - 441, Speech and Hearing Unit, Dept. of Otorhinolaryngology - Head and Neck Surgery, New OPD, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Sanjay Munjal  Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh  Room Number - 441, Speech and Hearing Unit, Dept. of Otorhinolaryngology - Head and Neck Surgery, New OPD, Madhya Marg, Sector 12,Chandigarh, 160012
Chandigarh
CHANDIGARH 
9815653262

sanjaymunjal@hotmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Postgraduate Institute of Medical Education and Research, Chandigarh Institutional Ethics Committee (Intramural)  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: H931||Tinnitus,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Tinnitus Educational Counselling (Active Control)   Information about the nature of tinnitus, its potential causes, the various treatment options available, the psychological and emotional aspects of living with tinnitus, the coping mechanisms to reduce the impact of tinnitus on activities of daily living and quality of life provided in a single 45 mins session 
Intervention  VNS + matched noise  Non-invasive transcutaneous auricular vagus nerve stimulation provided using Neurostim device (NS2, Medicaid Systems, Punjab, India) at Cymba Concha of left ear at max comfortable level along with a 1-octave band of white noise focused on the tinnitus frequency presented at 5dB SL (re: tinnitus frequency threshold) using custom-made MATLAB (R2023a, The MathWorks, Inc., Massachusetts, USA) code routed to an audiometer (MAICO Diagnostics, MA-42, Pf¨affingen , Germany) via insert earphones (3M E-A-RTONE, 3A, ADCO Hearing Products, Australia) for 30 mins implemented over 3 weeks in a 3-2-1 sessions/week sequence 
Intervention  VNS + notched noise  Non-invasive transcutaneous auricular vagus nerve stimulation provided using Neurostim device (NS2, Medicaid Systems, Punjab, India) at Cymba Concha of left ear at max comfortable level along with a white noise with a 1-octave exclusion focused on the tinnitus frequency presented at 5dB SL (re: tinnitus frequency threshold) using custom-made MATLAB (R2023a, The MathWorks, Inc., Massachusetts, USA) code routed to an audiometer (MAICO Diagnostics, MA-42, Pf¨affingen , Germany) via insert earphones (3M E-A-RTONE, 3A, ADCO Hearing Products, Australia) for 30 mins implemented over 3 weeks in a 3-2-1 sessions/week sequence 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Medically stable male and female adults with chronic, subjective, tonal, continuous Unilateral or bilateral tinnitus

Chronic tinnitus defined as tinnitus onset for more than 3 months 
 
ExclusionCriteria 
Details  Acute, intermittent, noise-like, objective tinnitus
Undergoing any tinnitus treatment in last month
Associated otological, neuropsychiatric, respiratory, cardiac, dermatological problems
Pregnant or breastfeeding
Functioning embedded device
Consuming medications recognised to modulate neuromodulators
Hearing loss greater than 60dBHL 
 
Method of Generating Random Sequence   Adaptive randomization, such as minimization 
Method of Concealment   On-site computer system 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Tinnitus Loudness, Tinnitus Functional Index  Post-treatment 
 
Secondary Outcome  
Outcome  TimePoints 
Tinnitus Loudness, Tinnitus Functional Index  1-month post-treatment follow-up 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
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)   26/01/2024 
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)
Modification(s)  
Not Yet Recruiting 
Recruitment Status of Trial (India)  Open to Recruitment 
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 - Individual participant data that underlie the results reported in this article, after de-identification (text, tables, figures, and appendices).

  2. What additional supporting information will be shared?
    Response -  Study Protocol
    Response -  Statistical Analysis Plan
    Response - Informed Consent Form

  3. Who will be able to view these files?
    Response - Researchers whose proposed use of the data has been approved by an independent review committee identified for this purpose.

  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 - Proposals should be directed to [himanshu.dudeja14@gmail.com].

  6. For how long will this data be available start date provided 01-01-2024 and end date provided 01-01-2026?
    Response - Beginning 9 months and ending 36 months following article publication.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - NIL
Brief Summary   This study is a multi-group pretest-post test, triple-blinded, randomized controlled trial (RCT) to evaluate the efficacy of available Vagus Nerve Stimulation and acoustic stimuli coupling in reducing tinnitus-related distress for three different sub-types of chronic subjective tinnitus. 60 patients will be randomly assigned to any of the three intervention groups: VNS + Matched noise, VNS + Notched noise, and Tinnitus Educational Counselling. VNS is a non-invasive transcutaneous auricular Vagus Nerve Stimulation provided using a Neurostim device at Cymba Concha of the left ear at a max comfortable level. Matched noise is a 1-octave band of white noise focused on the tinnitus frequency, and Notched noise is a white noise with a 1-octave exclusion focused on the tinnitus frequency presented at 5dB SL (re: tinnitus frequency threshold) using custom-made MATLAB code routed to an audiometer via an insert earphones. The intervention will be implemented over 3 weeks in a 3-2-1 sessions/week sequence, and outcomes will be measured at post-treatment and at an on-call 1-month follow-up.  
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