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CTRI Number  CTRI/2025/01/079763 [Registered on: 29/01/2025] Trial Registered Prospectively
Last Modified On: 28/01/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Other (Specify) [Therapeutic]  
Study Design  Non-randomized, Active Controlled Trial 
Public Title of Study   A clinical trial to study the effects of semi-occluded vocal tract exercise to improve voice quality of Dysarthria patient 
Scientific Title of Study   Effectiveness of Semi occluded vocal tract exercise (SOVTE) on voice quality among Dysarthria patient 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Joynab Bente Karim 
Designation  Student 
Affiliation  Bangladesh Health Professions Institute 
Address  Speech and language therapy department,CRP, Savar, Dhaka, Bangladesh



1343
Other 
Phone  01856103778  
Fax    
Email  hridimoni12@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Sanjida Subahan 
Designation  Assistant Professor, Bangladesh Health Professions Institute 
Affiliation  Bangladesh Health Professions Institute 
Address  Speech and language therapy department,CRP, Savar, Dhaka, Bangladesh



1343
Other 
Phone  01682990501  
Fax    
Email  sanjidaslt93@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Sanjida Subahan 
Designation  Assistant Professor, Bangladesh Health Professions Institute 
Affiliation  Bangladesh Health Professions Institute 
Address  Speech and language therapy department,CRP, Savar, Dhaka, Bangladesh



1343
Other 
Phone  01682990501  
Fax    
Email  sanjidaslt93@gmail.com  
 
Source of Monetary or Material Support  
Bangladesh health professions institute,SAVAR,DHAKA,BANGLADESH 
 
Primary Sponsor  
Name  Joynab Bente Karim 
Address  Mirpur 2,Dhaka,Bangladesh 
Type of Sponsor  Other [SELF] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     Bangladesh  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Sanjida Subahan  Hospital  Centre For The Rehabilitation Of The Paralyzed (CRP), savar, Dhaka, Bangladesh

 
01682-990501

sanjidaslt93@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Review Board  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Approved/Obtained 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: R471||Dysarthria and anarthria,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Semi-occluded vocal tract exercise  patient will receive SOVTE for 12 days 
Comparator Agent  semi-occluded vocal tract exercise among Dysarthria patient in voice quality  patient will receive 12 days treatment 
 
Inclusion Criteria  
Age From  15.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  1. Stroke with dysarthria patient with voice problem diagnosed by SLT.
2. Both male and female
3. patient who are willing to participate.
4. Age range 15/80
 
 
ExclusionCriteria 
Details  1. Patient with severe and critical condition
2. Undiagnosed injury or other condition
3. Patient who will unwilling to participate in this study will be excluded.
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Other 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Effectiveness of SOVTE among Dysarthria patient
with voice difficulties 
At base line,2 weeks 
 
Secondary Outcome  
Outcome  TimePoints 
By using GRBAS scale i will measure the patient
phonation, resonance. loudness, grade,
roughness, breathiness, asthenia and strain. 
12 days 
 
Target Sample Size   Total Sample Size="50"
Sample Size from India="0" 
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 2 
Date of First Enrollment (India)   10/02/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  10/02/2025 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="0"
Months="2"
Days="20" 
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  
According to my research i will find out the effectiveness of SOVTE on voice quality among Dysarthria patients . i will give 12 days therapeutic treatment session to the selective patient, by using GRBAS scale a senior CSLT will assessment the patient voice quality and select patient for treatment by doing this exercise i wil find out the patient phonation, resonance, loudness, grade, roughness, breathiness, asthenia and strain.

 
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