Bevacizumab and Temozolomide in Treating Older Patients With Newly-Diagnosed Glioblastoma Multiforme or Gliosarcoma

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PRIMARY OBJECTIVES: I. To estimate overall survival in elderly subjects treated with bevacizumab and temozolomide for newly diagnosed glioblastoma multiforme. SECONDARY OBJECTIVES: I. To estimate 12-months survival. II. To estimate progression free survival for 2 years or until progression is detect...

PRIMARY OBJECTIVES: I. To estimate overall survival in elderly subjects treated with bevacizumab and temozolomide for newly diagnosed glioblastoma multiforme. SECONDARY OBJECTIVES: I. To estimate 12-months survival. II. To estimate progression free survival for 2 years or until progression is detected. III. To investigate the safety and tolerability of bevacizumab/temozolomide in elderly patient with glioblastoma. IV. To isolate DNA, RNA, and protein isolated from frozen and paraffinized archival tumor samples for evaluations such as immunohistochemical pathway profiling of VEGF-dependent angiogenic pathways, gene expression microarray, and MGMT promoter methylation status to define important molecule features of treatment response and especially age-related molecular expression. OUTLINE: Patients receive bevacizumab IV over 30-90 minutes every 2 weeks and oral temozolomide on days 1-5. Treatment repeats every 28 days for 24 courses in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up at least every 4 months.

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