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CTRI Number  CTRI/2025/07/090237 [Registered on: 04/07/2025] Trial Registered Prospectively
Last Modified On: 09/06/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Ayurveda
Screening 
Study Design  Randomized, Crossover Trial 
Public Title of Study   Effect of Kanthya Dashemani Churna on voice quality of Student Singers. 
Scientific Title of Study   A crossover study to assess the effect of Kanthya Dashemani on the quality of voice in Student Singers. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Sonal Mansing Bankar 
Designation  PG Scholar 
Affiliation  Amrita School of Ayurveda 
Address  Department of Shalakya Tantra, OPD 3 , Amrita School of Ayurveda, P/O Clappana,Near Vallikkavu Junction Dist - Kollam

Kollam
KERALA
690525
India 
Phone  9850545924  
Fax    
Email  sonalbankar8@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr K shanti  
Designation  Assistant Professor  
Affiliation  Amrita School of Ayurveda 
Address  Department of Shalakya Tantra, OPD 3, Amrita School of Ayurveda, P/O Clappana,Near Vallikkavu Junction Dist - Kollam

Kollam
KERALA
690525
India 
Phone  9544431891  
Fax    
Email  dr.shantik@ay.amrita.edu  
 
Details of Contact Person
Public Query
 
Name  Dr Sonal Mansing Bankar 
Designation  PG Scholar 
Affiliation  Amrita School of Ayurveda 
Address  OPD No 3, Department of Shalakya Tantra, Amrita School of Ayurveda, P/O Clappana,Near Vallikkavu Junction Dist - Kollam

Kollam
KERALA
690525
India 
Phone  9850545924  
Fax    
Email  sonalbankar8@gmail.com  
 
Source of Monetary or Material Support  
Amrita School of Ayurveda, P/O Clappana, Dist - Kollam, Kerala - India 690525 
 
Primary Sponsor  
Name  Dr Sonal Mansing Bankar 
Address  Amrita School of Ayurveda, P/O Clappana, Dist - Kollam, Kerala - India 690525 
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 Sonal Mansing Bankar  OPD No. 03 (Department of Shalakya Tantra)  OPD No. 03, Department of Shalakya Tantra, Amrita School of Ayurveda, P/O Clappana, Dist - Kollam, Kerala 690525
Kollam
KERALA 
9850545924

sonalbankar8@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Student Singers of both genders within the age group of 18 to 30 years, who sings daily or occasionally without any diagnosed voice disorder.  
 
Intervention / Comparator Agent  
snoIntervention/ComparatorTypeDrug-TypeProcedure NameDetails
1Intervention ArmDrugClassical(1) Medicine Name: Kanthya Dashemani Churna, Reference: Charaka Samhita Sutrasthana Chapter number 4 Shloka number 9, Route: Oral, Dosage Form: Churna/ Powder, Dose: 6(g), Frequency: bd, Bhaishajya Kal: Adhobhakta, Duration: 15 Days, anupAna/sahapAna: Yes(details: -Honey), Additional Information: -
2Comparator ArmProcedure-Gargling (Procedure Reference: Ashtanga Hridaya Sutrasthana Chapter number 5 Shloka number 16, Procedure details: Warm Water Gargling Twice daily after food for 15 days)
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  30.00 Year(s)
Gender  Both 
Details  1. Student Singers who sings daily or occasionally without any diagnosed voice disorder and feel voice fatigue after singing.
2. Participants of both genders having GRBAS score in between 36 to 50. 
 
ExclusionCriteria 
Details  1. Participants had past history of neurological or pulmonary disease, head & neck surgery.
2. Participants with smoking or hearing complaints according to questionnaires.
3. Participants who reported cold or allergic respiratory conditions on the day of collection of voice sample.
4. Participants who were unable to perform the emission required to the recording of their voices will also be excluded from the study.
5. Professional singers
 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Other 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
Improvement in voice fatigue after the administration of kanthya dashemani churna.  15 Days 
 
Secondary Outcome  
Outcome  TimePoints 
Improvement in subjective parameters and objective parameters like fundamental frequency, Jitter, shimmer & Hormonic to Noise Ratio (HNR) after the administration of kanthya dashemani churna.  15 Days 
 
Target Sample Size   Total Sample Size="44"
Sample Size from India="44" 
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)   07/07/2025 
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 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   This study is crossover trial for comparing and generate efficacy of kanthya dashemani churna on quality of voice in student singers age between 18 to 30 years measured with objective parameters like fundamental frequency (FO), Jitter, Shimmer & Hormonic Noise ratio (HNR) through PRAAT software within 15 days. For comparing warm water gargle will be intervene. Study will be conducted in Department of Shalakya Tantra (Amrita School of ayurveda). Before trial, subjective and objective parameters will be assessed and recorded in case record form. Participants will be grouped into Group A and Group B of 44 participants each (22 Males & 22 Females). Group A will be given Kanthya Dashemani churna and Group B will be advised to do warm water gargle twice daily for 15 days. Then after 1 week of washout period Group A will be advised to do warm water gargle and Group B will be given Kanthya Dashemani Churna twice daily for next 15 days. The primary outcome measures will be improvement in voice fatigue and secondary outcome measures will be improvement in objective parameters like jitter, shimmer, fundamental frequency and hormonic to noise ratio. 
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