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CTRI Number  CTRI/2025/09/095033 [Registered on: 18/09/2025] Trial Registered Prospectively
Last Modified On: 18/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Screening
Behavioral 
Study Design  Cluster Randomized Trial 
Public Title of Study   The serenity program for teens, reducing phone dependency to improve sleep and school perfomance 
Scientific Title of Study   Effectiveness of Serenity Program on smart phone addiction and knowledge among adolescents and its impact on sleep quality mental wellbeing and academic performance at selected higher secondary schools in Dindigul District 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
Nil  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Jensi Amali R 
Designation  Lecturer 
Affiliation  College of Nursing 
Address  Pediatric Department Claudine College of Nursing Chellampatty Sitharevu Panchayat Batlagundu, Dindigul Dist.

Dindigul
TAMIL NADU
624211
India 
Phone  7402631902  
Fax    
Email  amalirathinam0@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr. Anita David 
Designation  Professor & HOD 
Affiliation  Ramachandra Institute of Higher Education and Research 
Address  Department of Pediatrics Sri Ramachandra Faculty of Nursing SRIHER (DU) Porur Chennai

Chennai
TAMIL NADU
600116
India 
Phone  9444523496  
Fax    
Email  anitadavid@sriramachandra.edu.in  
 
Details of Contact Person
Public Query
 
Name  Jensi Amali R 
Designation  Lecturer 
Affiliation  College of Nursing 
Address  Pediatric Department Claudine College of Nursing Chellampatty Chitharevu panchayat Athur taluka Dindigul Dist

Dindigul
TAMIL NADU
624211
India 
Phone  7402631902  
Fax    
Email  amalirathinam0@gmail.com  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  Jensi Amali R 
Address  Department of Pediatrics Claudine college of Nursing Chellampatty Sitharevu panchayat Athur Taluka Dindigul Dist - 624211 Tamil Nadu  
Type of Sponsor  Other [SELF] 
 
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 
Jensi Amali R  Higher secondary schools  Holy Cross Girls Higher Secondary School, Batlagundu, Dindigul District
Dindigul
TAMIL NADU 
7402631902

amalirathinam0@gmail.com 
Jensi Amali R  Higher secondary schools  Mahalakshmi Girls Higher Secondary School, Batlagundu, Dindigul-Dt
Dindigul
TAMIL NADU 
7402631902

amalirathinam0@gmail.com 
Jensi Amali R  Higher secondary schools  NSVV girls Higher Secondary School, Batlagundu, Dindigul-Dt
Dindigul
TAMIL NADU 
7402631902

amalirathinam0@gmail.com 
Jensi Amali R  Higher secondary schools  NSVV Boys Higher Secondary School, Batlagundu, Dindigul-Dt
Dindigul
TAMIL NADU 
7402631902

amalirathinam0@gmail.com 
Jensi Amali R  Higher secondary schools  CSI Higher Secondary School, Batlagundu, Dindigul-dt
Dindigul
TAMIL NADU 
7402631902

amalirathinam0@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 7  
Name of Committee  Approval Status 
CSI Higher Secondary School  No Objection Certificate 
Holy Cross Girls Higher Secondary School  No Objection Certificate 
Mahalaxmi Girls Higher Secondary School  No Objection Certificate 
NSVV Boys Higher Secondary School  No Objection Certificate 
NSVV Girls Higher Secondary School  No Objection Certificate 
SRM Institutional Ethics Committee  Approved 
Theni Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Adolescents Addicted to smartphone 
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  None  None 
Intervention  Serenity Program  1. Breathing Exercise (7 minutes)  
Intervention  Serenity Program  2. Meditation (15 minutes) 
Intervention  Serenity Program  3. Video-assisted Teaching (8minutes) 
 
Inclusion Criteria  
Age From  13.00 Year(s)
Age To  16.00 Year(s)
Gender  Both 
Details  Adolescents
Both boys and girls are studying in the Higher Secondary School
Between 13 to 16 years of age.
who can speak and understand either Tamil or English
who are addicted to Smartphone usage
 
 
ExclusionCriteria 
Details  Adolescents who are
not available during the data collection period
long absentees
on drugs for any psychiatric disorders
not addicted to smartphone usage
 
 
Method of Generating Random Sequence   Stratified randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Reduction in smartphone addiction  6months 
 
Secondary Outcome  
Outcome  TimePoints 
Improvement in sleep quality   6months 
Enhanced mental well-being  6months 
Improved academic performance  6months 
 
Target Sample Size   Total Sample Size="250"
Sample Size from India="250" 
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)   15/10/2025 
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="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
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

  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 [amalirathinam0@gmail.com].

  6. For how long will this data be available start date provided 02-01-1970 and end date provided 02-01-1970?
    Response - Immediately following publication. No end date.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - NIL
Brief Summary   This study investigates the effectiveness of the serenity program, a mindfulness-based intervention combining breathing exercises, meditation, and video-based education in reducing smartphone addiction and improving sleep quality, mental well-being, and academic performance among adolescents aged 13-16 years in selected higher secondary schools in Dindigul District, Tamil Nadu. Using a cluster randomized controlled trial with 250 participants, the research measures outcome through the Smartphone Addiction Scale Short Version, Pittsburgh Sleep Quality Index, Warwick-Edinburgh Mental Well-being Scale, and Academic Performance Scale with assessments at multiple intervals over six months. The program is delivered four times a week for 30 minutes, aiming to foster healthier smartphone habits, enhance self-regulation, and promote overall well-being, with the expectation of reduced addiction scores, better sleep, improved mental health, and higher academic performance. 
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