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CTRI Number  CTRI/2025/08/093784 [Registered on: 27/08/2025] Trial Registered Prospectively
Last Modified On: 26/08/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Radiation Therapy 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Study to evaluate acute toxicity in postoperative head and neck cancer patients undergoing radiotherapy 
Scientific Title of Study   Prospective trial to evaluate acute toxicity during post operative radiotherapy after flap reconstructive surgery in head and neck cancer patients undergoing volumetric modulated ARC therapy  
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  PROF AMIT BAHL 
Designation  Professor 
Affiliation  PGIMER, CHANDIGARH 
Address  dept of radiotherapy and oncology, PGIMER, Chandigarh

Chandigarh
CHANDIGARH
160012
India 
Phone  8219586371  
Fax    
Email  dramitbahl@yahoo.com  
 
Details of Contact Person
Scientific Query
 
Name  PROF AMIT BAHL 
Designation  Professor 
Affiliation  PGIMER, CHANDIGARH 
Address  dept of radiotherapy and oncology, PGIMER, Chandigarh

Chandigarh
CHANDIGARH
160012
India 
Phone  8219586371  
Fax    
Email  dramitbahl@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  PROF AMIT BAHL 
Designation  Professor 
Affiliation  PGIMER, CHANDIGARH 
Address  dept of radiotherapy and oncology, PGIMER, Chandigarh

Chandigarh
CHANDIGARH
160012
India 
Phone  8219586371  
Fax    
Email  dramitbahl@yahoo.com  
 
Source of Monetary or Material Support  
PGIMER CHANDIGARH 
 
Primary Sponsor  
Name  PGIMER CHANDIGARH 
Address  Dept of radiotherapy and oncology, PGIMER CHANDIGARH 
Type of Sponsor  Research institution and hospital 
 
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 Kriti Dhiman  Postgraduate Institute Of Medical Education And Research  Department of Radiation Oncology, PGIMER Chandigarh
Chandigarh
CHANDIGARH 
8219586371

kritidhiman34@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, intramural  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C01||Malignant neoplasm of base of tongue, (2) ICD-10 Condition: C04||Malignant neoplasm of floor of mouth, (3) ICD-10 Condition: C03||Malignant neoplasm of gum, (4) ICD-10 Condition: C00||Malignant neoplasm of lip, (5) ICD-10 Condition: C00-C14||Malignant neoplasms of lip, oral cavity and pharynx,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  CONTROL GROUP  Control group will receive postoperative radiotherapy to surgical flap using single dose prescription volume PTV60Gy 
Intervention  INTERVENTION GROUP  Study group will receive Postoperative Radiotherapy to surgical flap using two dose prescription volume PTV60Gy and PTV54Gy. 
 
Inclusion Criteria  
Age From  16.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  1.Biopsy proven Squamous cell carcinoma of oral cavity and paranasal sinus.
2.Adult patients undergoing surgery with flap reconstruction and post operative radiotherapy.
3.Patients requiring post operative radiotherapy for any of the following indications:
T3N0M0, T1-3N1,2M0, T4aN2M0, AnyTN3M0 disease.
4.Patient requiring postoperative radiotherapy due to positive margin, close margin, extra nodal extension in Post Operative Histopathology Report.
Patients giving written consent for study and follow up  
 
ExclusionCriteria 
Details  1.Patient being treated for recurrent head and neck cancer.
2.Patient with uncontrolled comorbidities like diabetes mellitus and hypertension.
3.Previous history of undergoing head and neck radiotherapy.  
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Case Record Numbers 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
1.To evaluate acute toxicity (mucositis, dysphagia, dermatitis, xerostomia, dysgeusia, anorexia, nausea, vomiting, pain) of postoperative radiotherapy between SIB- VMAT and non SIB- VMAT treatment technique during treatment and at 3 months follow up.
 
1.During treatment
2. At 3 months follow up.
 
 
Secondary Outcome  
Outcome  TimePoints 
To evaluate incidence of flap complications- infection, mild dehiscence, bone exposure, fistula, hematoma, partial flap loss, complete flap loss)between SIB- VMAT and non SIB- VMAT treatment technique during treatment and at 3 months follow up.
2. To evaluate disease recurrence between the study groups at a minimum of three months follow up.
 
At 3 months follow up 
 
Target Sample Size   Total Sample Size="50"
Sample Size from India="50" 
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/ Phase 3 
Date of First Enrollment (India)   22/10/2025 
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="6"
Days="0" 
Recruitment Status of Trial (Global)   Open to Recruitment 
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  

The current practice of Post operative radiotherapy in Head and Neck cancer involves radiation of the entire flap in treatment portal. This leads to a considerable increase in radiotherapy treatment volume. As a consequence, there is significant acute toxicity associated with treatment and associated flap changes. Recent literature and guidelines have recommended to include only the flap junctional area in high-risk treatment volume. The rest of flap can be included in the low dose radiotherapy treatment volume. 

 
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