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CTRI Number  CTRI/2025/07/090982 [Registered on: 16/07/2025] Trial Registered Prospectively
Last Modified On: 15/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Comparison of Binaural Beat Music and Noise Cancelling Headphones to Reduce Anxiety During Surgery Under Spinal Anaesthesia"  
Scientific Title of Study   Comparing Binaural Beat Music and Noise Cancelling Headphones for reducing intraoperative anxiety in patients undergoing surgery under spinal anaesthesia - A Randomized Controlled 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  Navya G  
Designation  Postgraduate  
Affiliation  Ballari medical College and research centre Ballari  
Address  Navya G 1st year Junior resident Department of Anaesthesia Contonment Ballari medical College and research centre Ballari

Bellary
KARNATAKA
583104
India 
Phone  9606419082  
Fax    
Email  navyag2603@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Jyothsna M  
Designation  Professor  
Affiliation  Ballari medical College and research centre Ballari  
Address  Dr Jyothsna M Department of Anaesthesia Contonment Ballari medical College and research centre Ballari

Bellary
KARNATAKA
583104
India 
Phone  9900055996  
Fax    
Email  jyothsnabk@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Dr Jyothsna M  
Designation  Professor  
Affiliation  Ballari medical College and research centre Ballari  
Address  Dr Jyothsna M Department of Anaesthesia Contonment Ballari medical College and research centre Ballari

Bellary
KARNATAKA
583104
India 
Phone  9900055996  
Fax    
Email  jyothsnabk@yahoo.com  
 
Source of Monetary or Material Support  
Ballari medical College and research centre Ballari 
Nil 
 
Primary Sponsor  
Name  Ballari Medical College and research centre Ballari  
Address  Ballari Medical College and Research Centre OT Complex Contonment Ballari 583104 Karnataka state India 91 
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 
Dr Navya G  Ballari Medical College and Research Centre  BMCRC Department of Anaesthesiology OT complex Contonment Ballari 583104 Karnataka
Bellary
KARNATAKA 
9606419082

navyag2603@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics committee, Ballari medical College and research centre, Ballari   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical, (2) ICD-10 Condition: K37||Unspecified appendicitis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Binaural beat music  Duration 1 to 2 hrs Headphones with music  
Intervention  Noice cancellation   Duration 1 to 2 hrs Headphones without music  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  All patients undergoing lower abdominal surgery under spinal anaesthesia
ASA 1 and 2
Age 18-60 yrs
Male and Female gender
Patients able to provide written and informed consent 
 
ExclusionCriteria 
Details  Patients with hearing impairment
Pre-existing psychiatric or neurological disorders.
Contraindications to spinal anaesthesia
Pregnant and lactating mother
Patients with chronic use of anxiolytics and sedatives 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
Comparison of change in intraoperative anxiety levels  30min after spinal anaesthesia  
 
Secondary Outcome  
Outcome  TimePoints 
Intraoperatively
Sedation
Ramsay score will used to monitor sedation, also any need for rescue sedation during surgery (e.g., midazolam, propofol) will be noted with dosage & frequency.
Hemodynamic Parameters
Heart rate, systolic/diastolic blood pressure
Measured at baseline & intraoperatively at regular intervals (e.g., every 10 minutes) Used as physiological indicators of anxiety
Communication
Patients communication intraoperatively is monitored using Likert score Postoperatively
Satisfaction
Postoperative satisfaction survey regarding intraoperative experience is assessed using VAS-S score
Incidence of Adverse Effects
Dizziness, discomfort due to headphones/music
Nausea, vomiting, or auditory disturbances 
Preoperatively baseline
Intraoperative 10min 20min 30min 40min 60min 80min 100min 120min
Postoperatively  
 
Target Sample Size   Total Sample Size="140"
Sample Size from India="140" 
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)   01/08/2025 
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="6"
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 - 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
    Response - Clinical Study Report
    Response -  Analytic Code

  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 - For individual participant data meta-analysis.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [navyag2603@gmail.com].

  6. For how long will this data be available start date provided 01-06-2025 and end date provided 31-08-2027?
    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   The study will include adult patients of either gender, aged 18 to 60 years, with ASA physical status I or II, scheduled for lower abdominal surgeries under spinal anaesthesia. Patients with hearing impairment, psychiatric or neurological disorders, contraindications to spinal anaesthesia, and pregnant or lactating women will be excluded.

Participants will be randomly assigned to one of two groups: Group N (noise-cancelling headphones without music) or Group B (binaural beat music through headphones). Randomisation will be done using computer-generated numbers and allocation will follow the sequentially numbered opaque sealed envelope technique. Patients will be blinded to the intervention.

During preanaesthetic evaluation, patients will be briefed about the interventions, and baseline vitals along with STAI-6 anxiety scores will be recorded. Spinal anaesthesia will be administered, and once a sensory level of T8 is confirmed, the assigned intervention will commence. Intraoperative monitoring will include heart rate, blood pressure, Ramsay Sedation Scale, and communication difficulty using a Likert scale. These will be recorded at specified intervals. At the end of surgery, STAI-6 and VAS-S (Visual Analogue Scale for Satisfaction) will be documented. Headphones will be sanitized after each use.


 
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