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A New Delineation Approach for Oral Cavity, Oropharynx, Larynx and Hypopharynx in IMRT for Head and Neck Cancer

Head and Neck Cancer Clinical Trial

Official title:
A New Delineation Approach for Oral Cavity, Oropharynx, Larynx and Hypopharynx in Intensity-modulated Radiation Treatment for Head and Neck Cancer

Clinical Trial Summary

The investigators tries a new method to delineating the oral cavity, oropharynx, larynx and hypopharynx, and use the head-and-neck region to test whether the method can to create a good IMRT plan, and alleviate the oral radiation injury, reduce the incidence of adverse reactions.

Clinical Trial Description

Purpose: To assess the dosimetric effect of new delineation approach for oral cavity, oropharynx, larynx and hypopharynx in intensity-modulated radiotherapy(IMRT) treatment planning for head and neck cancer. Methods: Twenty head and neck cancer patients were treated by IMRT. Target volumes and several organs at risk were delineated with Corvus6．3 treatment planning system. An investigative IMRT plan was generated based on a standard treatment planning protocol, but used a new delineation approach for oral cavity, oropharynx, larynx and hypopharynx. Plans were exported to treatment planning system for quantitative analysis of dose volume parameters. Variables assessed included: maximum oral cavity, oropharynx, larynx and hypopharynx dose, equivalent uniform dose of the oral cavity, oropharynx, larynx and hypopharynx (EUD), mean oral cavity, oropharynx, larynx and hypopharynx dose, mean organs at risks (OARs) doses, and dose homogeneity inside the target volumes. . ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05539144
Study type Interventional
Source Hebei Provincial Hospital of Traditional Chinese Medicine
Contact
Status Completed
Phase N/A
Start date November 11, 2021
Completion date December 11, 2023
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