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Stereotactic Post-operative Radiotherapy for Intraparotid Metastatic Cutaneous Squamous Cell Carcinoma
Sponsor: David Palma
Summary
The purpose of this study is to compare the effectiveness and side effects of stereotactic radiotherapy (5 sessions) against conventional (standard) radiotherapy (20-30 sessions) for the treatment of skin cancer involving the head and neck after surgical resection. Stereotactic radiotherapy works in the same way that conventional (standard) radiotherapy does to kill cancer cells by damaging their genetic material and stopping the cancer cells from making copies of themselves. This study will help the study doctors find out if this different approach is the same, better, or worse than the standard of care for your cancer.
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
90
Start Date
2025-10-21
Completion Date
2035-09-01
Last Updated
2026-01-13
Healthy Volunteers
No
Interventions
SBRT
Patients will receive ultra-hypofractionated stereotactic radiation over 5 treatments delivered every other weekday or twice weekly as follows: * 40 to 42.5 Gy in 5 fractions: any areas of gross residual disease, or gross PNI on imaging * 32.5 to 35 Gy in 5 fractions: microscopic areas at risk including positive margin and/or ENE * 30 Gy in 5 fractions: entire operative bed including areas of primary tumor and involved nodes and dissected cervical nodal levels * 27.5 to 30 Gy 5 fractions: at risk undissected cervical nodal levels adjacent to pathologically involved nodal levels, based on the discretion of the treating oncologist
Standard Radiation
Patients will receive daily conventional fractionation radiation over 4 or 6-6.5 weeks based on the treating oncologist's discretion. The below dose levels are recommended in the following clinical scenarios but may be modified per institutional standards: 20-fraction regimen or 30 to 33-fraction regimen
Locations (1)
Verspeeten Family Cancer Centre
London, Ontario, Canada