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Clinical Trial Summary

RATIONALE: Imaging procedures, such as PET scans, may determine the extent of cancer and help doctors plan radiation therapy. Radiation therapy uses high-energy x-rays to kill tumor cells. Giving radiation therapy that uses a 3-dimensional image of the tumor to help focus thin beams of radiation directly on the tumor, and giving radiation therapy in higher doses over a shorter period of time, may kill more tumor cells and have fewer side effects. Specialized radiation therapy that delivers a high dose of radiation directly to the tumor may kill more tumor cells and cause less damage to normal tissue.

PURPOSE: This clinical trial is studying PET scans to see how well they work in patients with head and neck cancer who are undergoing 3-dimensional conformal radiation therapy and intensity-modulated radiation therapy.


Clinical Trial Description

OBJECTIVES:

Primary

- To assess the value of pre-treatment PET in determining the target volume in patients with head and neck cancer undergoing three-dimensional conformational radiotherapy and intensity-modulated radiotherapy.

Secondary

- To evaluate variations in weekly fludeoxyglucose F 18 PET imaging during the first 5 weeks of treatment.

- To determine the relationship between changes in tumor metabolism during radiotherapy and control tumor at 3 months and at 1 year post-treatment.

OUTLINE: This is a multicenter study.

Patients undergo fludeoxyglucose F18 PET (FDG-PET) in addition to conventional imaging at baseline. Patients undergo standard three-dimensional conformational radiotherapy and intensity-modulated radiation therapy 5 days a week for 5 weeks.

Some patients also undergo weekly FDG-PET during treatment. ;


Study Design

Allocation: Non-Randomized, Masking: Open Label, Primary Purpose: Diagnostic


Related Conditions & MeSH terms


NCT number NCT00809016
Study type Interventional
Source National Cancer Institute (NCI)
Contact
Status Completed
Phase N/A
Start date May 2007

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