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Clinical Trial Summary

RATIONALE: Radiation therapy uses high-energy x-rays to damage tumor cells. Computer systems that allow doctors to create a 3-dimensional picture of the tumor in order to plan treatment may result in more effective radiation therapy.

PURPOSE: Phase I trial to study the effectiveness of high-dose radiation therapy planned using a 3-dimensional picture of the tumor in treating patients who have stage I, stage II, or stage III non-small cell lung cancer.


Clinical Trial Description

OBJECTIVES:

- Determine the maximum dose of external beam irradiation deliverable using conformal 3-dimensional treatment planning in patients with non-small cell lung cancer.

- Determine the feasibility and efficacy of 3-dimensional treatment planning in delivering high doses of external beam radiotherapy to these patients.

- Determine whether computer-generated dose-volume histograms and normal tissue complication probability models can predict the degree of pulmonary toxicity resulting from external beam radiotherapy.

- Determine the relationship between dose of external beam radiotherapy and the degree of pulmonary function change.

OUTLINE: This is a dose escalation study.

Patients undergo 3-dimensional conformal external beam radiotherapy 5 days a week for 8-10 weeks.

Cohorts of 10 patients receive escalating doses of radiotherapy until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose at which no more than 20% of patients experience dose-limiting toxicity.

Patients are followed at 1 month and then every 4 months thereafter.

PROJECTED ACCRUAL: A total of 60-70 patients will be accrued for this study within 3 years. ;


Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00002484
Study type Interventional
Source Memorial Sloan Kettering Cancer Center
Contact
Status Completed
Phase Phase 1
Start date October 1991

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