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Gefitinib and Radiation Therapy in Treating Patients With Glioblastoma Multiforme

2014-07-23 21:52:33 | BioPortfolio

Summary

RATIONALE: Biological therapies such as gefitinib may interfere with the growth of the tumor cells and slow the growth of the tumor. Radiation therapy uses high-energy x-rays to damage tumor cells. Combining gefitinib with radiation therapy may kill more tumor cells.

PURPOSE: Phase I/II trial to study the effectiveness of combining gefitinib with radiation therapy in treating patients who have glioblastoma multiforme.

Description

OBJECTIVES:

- Determine the maximum tolerated dose of gefitinib when given concurrently with cranial radiotherapy in patients with glioblastoma multiforme.

- Determine the overall survival and progression-free survival of patients treated with this regimen.

- Determine the feasibility and toxicity of this regimen in these patients.

OUTLINE: This is a multicenter, dose-escalation study of gefitinib. Patients are stratified according to whether they are concurrently receiving enzyme-inducing anticonvulsant drugs (EIACD) (yes vs no).

- Phase I:Patients receive oral gefitinib once daily for 7 weeks. Beginning 1 week after initiation of gefitinib, patients undergo cranial radiotherapy once daily 5 days a week for 6 weeks. After the completion of radiotherapy, patients continue to receive oral gefitinib once daily for 18 months in the absence of disease progression or unacceptable toxicity.

Cohorts of 3-6 patients receive escalating doses of gefitinib until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which 2 of 3 or 2 of 6 patients experience dose-limiting toxicity.

- Phase II:Patient receive oral gefitinib at the MTD as in phase I. Patients undergo cranial radiotherapy as in phase I.

Patients in both phases are followed every 4 months for 1 year, every 6 months for 2 years, and then annually thereafter.

PROJECTED ACCRUAL: A total of 30 patients (18 enzyme-inducing anticonvulsant drug [EIACD] patients and 12 non-EIACD patients) will be accrued for phase I of this study within 2 months. A maximum of 140 patients will be accrued for phase II of this study within 10 months.

Study Design

Primary Purpose: Treatment

Conditions

Brain and Central Nervous System Tumors

Intervention

gefitinib, radiation therapy

Location

Mobile Infirmary Medical Center
Mobile
Alabama
United States
36652-2144

Status

Active, not recruiting

Source

National Cancer Institute (NCI)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:52:33-0400

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