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Clinical Trial Summary

RATIONALE: Radiation therapy uses high-energy x-rays to damage tumor cells. It is not yet known which radiation therapy regimen is more effective in treating patients with stage II cancer of the vocal cord.

PURPOSE: Randomized phase III trial to compare two regimens of radiation therapy in treating patients who have stage II cancer of the vocal cord.


Clinical Trial Description

OBJECTIVES:

- Compare the local response rate in patients with stage II invasive squamous cell carcinoma of the true vocal cord treated with hyperfractionation vs conventional fractionation radiotherapy.

- Compare the acute and late toxic effects of these regimens in this patient population.

- Compare the overall and disease-free survival patterns in this patient population treated with these regimens.

OUTLINE: This is a randomized study. Patients are stratified according to substage (T2a vs T2b). Patients are randomized to 1 of 2 treatment arms.

- Arm I: Patients undergo conventional radiotherapy 5 days a week for 5 weeks followed by boost radiotherapy 5 days a week for 2 weeks.

- Arm II: Patients undergo hyperfractionation radiotherapy 5 days a week for 5 weeks followed by boost radiotherapy 5 days a week for 1.6 weeks.

Patients with biopsy-proven persistent disease at least 6 weeks after completion of radiotherapy undergo salvage surgery with neck dissection (at the discretion of the surgeon).

Patients are followed at 4 weeks, every 3 months for 1 year, every 4 months for 1 year, every 6 months for 3 years, and then annually thereafter.

PROJECTED ACCRUAL: A total of 240 patients will be accrued for this study within 3.2 years. ;


Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00002727
Study type Interventional
Source Radiation Therapy Oncology Group
Contact
Status Completed
Phase Phase 3
Start date April 1996
Completion date December 2016

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