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CTRI Number  CTRI/2024/10/075270 [Registered on: 15/10/2024] Trial Registered Prospectively
Last Modified On: 24/09/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Radiation Therapy 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparison of St-IMRT and do-IMRT in head and neck cancer: improving radiation induce dysphagia 
Scientific Title of Study   Improving post radiation dysphagia by limiting dose to dysphagia aspiration related structure (DARS) 
Trial Acronym  DARS 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Prachi Upadhyay 
Designation  Assistant Professor 
Affiliation  SRMS IMS Hospital 
Address  RR Cancer Centre Radiation oncology Department Shri Ram Murti Smarak Institute Of Medical Science Hospital Bhojpura Bareilly

Bareilly
UTTAR PRADESH
243202
India 
Phone  9999904576  
Fax    
Email  prachiupadhyay20@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Prachi Upadhyay 
Designation  Assistant Professor 
Affiliation  SRMS IMS Hospital 
Address  RR Cancer centre Radiation Oncology Department Shri Ram Murti Smarak Institute of Medical Science Hospital Bhojipura

Bareilly
UTTAR PRADESH
243202
India 
Phone  9999904576  
Fax    
Email  prachiupadhyay20@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Prachi Upadhyay 
Designation  Assistant Professor 
Affiliation  SRMS IMS hospital 
Address  RR Cancer Centre Radiation Oncology department Shri Ram Murti Samark Institute of Medical Sciences hospital Bhojipura Bareilly

Bareilly
UTTAR PRADESH
243202
India 
Phone  9999904576  
Fax    
Email  prachiupadhyay20@gmail.com  
 
Source of Monetary or Material Support  
SRMS IMS Bhojipura Bareilly Uttar Pradesh India 243202 
 
Primary Sponsor  
Name  Dr Prachi Upadhyay 
Address  SRMS IMS Hospital Bhojipura,Nainital-Bareilly Road Bareilly Uttar Pradesh India pincode 243202 
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 Prachi Upadhyay  SRMS IMS   RR CANCER CENTRE Radiation Oncology Department SRMS IMS hospital Bhojipura Nainital-Bareilly road
Bareilly
UTTAR PRADESH 
9999904576

prachiupadhyay20@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
SRMS IMS  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C14||Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  dysphagia-optimised intensity modulated radiotherapy (do-IMRT)  patients with oro-laryngopharyngeal carcinoma will be treated in this group with radical chemo-radiotherapy with IMRT with dose constraints to dysphagia aspiration related structures. Prescription dose will be 70 Gy in 35 fractions for 7 weeks 5 days a week along with concurrent chemotherapy once a week. 
Comparator Agent  standard intensity modulated radiotherapy (st-IMRT)  patients with oro-laryngopharngeal carcinoma will be treated in this group with radical chemo-radiotherapy with IMRT without any dose constraints to dysphagia aspiration related structures. Prescription dose will be 70 Gy in 35 fractions for 7 weeks 5 days a week along with concurrent chemotherapy once a week. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  Histologically proven non-metastatic oro-larynopharyngeal carcinoma, Karnofsky performance score more than 70 , normal haemogram, renal function tests, liver function tests and those who can follow and understand study related advice and are willing to give consent. 
 
ExclusionCriteria 
Details  patient with prior or synchronous malignancy, prior treated with radiotherapy, metastatic oro-larynopharngeal carcinoma, patient underwent surgery 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Other 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
To determine whether reducing the dose to dysphagia aspiration related structures with dysphagia optimized intensity modulated radiotherapy (do-IMRT) will improve in long term swallowing function without compromising any tumor control or disease specific survival.  3 years  
 
Secondary Outcome  
Outcome  TimePoints 
asses quality of life and factors associated with dysphagia  3 years 
 
Target Sample Size   Total Sample Size="100"
Sample Size from India="100" 
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)   25/10/2024 
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="3"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Yet Recruiting 
Recruitment Status of Trial (India)  Open to Recruitment 
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
Modification(s)  

This study would be prospective randomised controlled trial for patients undergoing primary chemo-radiotherapy for T1-4, N0-3, M0 Oro-larynopharyngeal cancers. Complete enumeration will be used. Therefore, all the patients coming to the R.R Centre cancer; SRMS IMS hospital,Bareilly, Uttar Pradesh which are falling in inclusion & exclusion criteria will be considered the sample.All patients will be randomised (1:1 ratio) to either standard Intensity Modulated Radiotherapy or dysphagia optimised Intensity Modulated Radiotherapy. Radiotherapy doses will be same in both groups i.e., 70 Gy in 35 fractions over 7 weeks However, patients allocated to do-IMRT group, dose constraints will be given to DARS, and no dose constraints will be given in standard Intensity Modulated Radiotherapy group. 

 
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