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O(6)-Benzylguanine and Temozolomide in Treating Patients With Glioblastoma Multiforme That Did Not Respond to Previous Temozolomide and Radiation Therapy

Brain and Central Nervous System Tumors Clinical Trial

Official title:
A Phase 2 Study of O-Benzylguanine (O-BG) and Temozolomide in Patients With Glioblastoma Progressing at Least 3 Months After Completion of Primary Treatment With Radiation Therapy and Temozolomide

Clinical Trial Summary

RATIONALE: Drugs used in chemotherapy, such as O(6)-benzylguanine and temozolomide, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Giving more than one drug (combination chemotherapy) may kill more tumor cells.

PURPOSE: This phase II trial is studying the side effects and how well giving O(6)-benzylguanine together with temozolomide works in treating patients with glioblastoma multiforme that did not respond to previous temozolomide and radiation therapy.

Clinical Trial Description

OBJECTIVES:

- Determine the antitumor activity of O6-benzylguanine and temozolomide in patients with temozolomide-resistant methylguanine methyltransferase-positive or -negative glioblastoma multiforme previously treated with radiotherapy.

- Determine, preliminarily, the toxicity of this regimen in these patients.

OUTLINE: Patients receive O6-benzylguanine IV over 1 hour and oral temozolomide once daily on days 1-5. Treatment repeats every 28 days in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed periodically for at least 6 months.

PROJECTED ACCRUAL: A total of 100 patients will be accrued for this study. ;

Study Design

Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00436436
Study type Interventional
Source National Institutes of Health Clinical Center (CC)
Contact
Status Completed
Phase Phase 2
Start date December 2006
Completion date May 2010
View Details
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