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CTRI Number  CTRI/2025/07/091440 [Registered on: 22/07/2025] Trial Registered Prospectively
Last Modified On: 18/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Occurrence of Acidity and Swallowing difficulty in persons with voice problems visiting a tertiary care hospital 
Scientific Title of Study   Prevalence of Laryngopharyngeal Reflux and Dysphagia in Persons with Voice Disorders visiting a Tertiary Care Hospital 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Amatullah Salik 
Designation  Post Graduate student pursuing Msc. in Speech Language Pathology 
Affiliation  Manipal College of Health Professions, Manipal Academy of Higher Education 
Address  Department of Speech and Hearing, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal

Udupi
KARNATAKA
576104
India 
Phone  9977997848  
Fax    
Email  amatullah.mchpmpl2024@learner.manipal.edu  
 
Details of Contact Person
Scientific Query
 
Name  Dr Usha Devadas  
Designation  Additional Professor and Head 
Affiliation  Manipal College of Health Professions, Manipal Academy of Higher Education 
Address  Department of Speech and Hearing, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal

Udupi
KARNATAKA
576104
India 
Phone  9448930882  
Fax    
Email  usha.d@manipal.edu  
 
Details of Contact Person
Public Query
 
Name  Dr Suresh Pillai 
Designation  Professor and Head 
Affiliation  Kasturba Medical College, Manipal 
Address  Department of Head and Neck Surgery, Kasturba Medical College, Madhav Nagar, Manipal

Udupi
KARNATAKA
576104
India 
Phone  9901728977  
Fax    
Email  suresh.pillai@manipal.edu  
 
Source of Monetary or Material Support  
Department of Speech and Hearing, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka 576104 
 
Primary Sponsor  
Name  Amatullah Salik 
Address  Department of Speech and Hearing, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka 576104 
Type of Sponsor  Other [Self] 
 
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 Usha Devadas  Kasturba Hospital  Department of Speech and Hearing, 3rd floor, Baliga Block, Kasturba Hospital, Manipal, Udupi, Karnataka 576104
Udupi
KARNATAKA 
9448930882

usha.d@manipal.edu 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Kasturba Medical College and Kasturba Hospital Institutional Ethics Committee - 2 (Student Research)  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J383||Other diseases of vocal cords,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  NIL  NIL 
Intervention  NIL  NIL 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  90.00 Year(s)
Gender  Both 
Details  Adults above 18 years of age with confirmed diagnosis of vocal pathology by otolaryngologist using video laryngoscopy.
Patients with a known diagnosis of Laryngopharyngeal reflux who are seeking treatment for the same.
Patients who can read and understand Kannada language.  
 
ExclusionCriteria 
Details  Patients with known neurological disorders, head and neck cancer conditions having voice and swallowing disorders.
Patients with acute infections of the larynx lasting up to one week. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Prevalence of Laryngopharyngeal reflux and Dysphagia in persons with voice disorders  48 weeks 
 
Secondary Outcome  
Outcome  TimePoints 
Relationship between Dysphagia & Laryngopharyngeal reflux symptoms with voice disorder  48 weeks 
 
Target Sample Size   Total Sample Size="90"
Sample Size from India="90" 
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)   11/08/2025 
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="0"
Months="10"
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 - NO
Brief Summary   Justification for the study:
Voice disorders significantly affect an individual’s communicative effectiveness, emotional well-being, and quality of life. They may co-occur with other disorders like Dysphagia and Laryngopharyngeal reflux (LPR). Dysphagia is recognized in both organic and functional voice disorders, possibly dur to the shared anatomical and physiological structures between the voice and swallowing systems. Similarly, LPR is a common contributor to voice disorders and may also impact swallowing due to the mucosal irritation in the laryngopharynx. Despite these overlaps, the interrelationship between these three conditions - Voice disorders, LPR and Dysphagia is poorly understood in the clinical literature. 
While previous research has independently examined the prevalence of dysphagia in voice disorders and the role of LPR in voice disorders, few studies have explored the simultaneous presence of both dysphagia and LPR in individuals with voice disorders. This creates a risk of over-reliance on LPR-targeted treatments without accurate symptom differentiation, leading to ineffective management. Furthermore, dysphagia is often underreported in this population. 
By studying the co-occurrence and relationship between LPR and Dysphagia symptoms in individuals with voice disorders, the research seeks to fill a critical gap. The study will employ self-reported tool and clinical assessments to understand the symptom overlap and guide early diagnosis and intervention. This can ultimately enhance patient outcomes, prevent complications such as aspiration and malnutrition, and support overall social and communication participation. 

Aims and objectives of the study:
Aim: To investigate the prevalence of Dysphagia and Laryngopharyngeal reflux in persons with voice disorders visiting a tertiary care hospital. 

Objective(s):
To investigate the prevalence of Dysphagia and Laryngopharyngeal reflux in persons with voice disorders;
To determine the relationship between Dysphagia and Laryngopharyngeal reflux symptoms with voice disorder.
 
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