Clinical Research Directory

Inclusion Criteria: Histologically confirmed intracranial Grade 1 or 2 anaplastic glioma or glioblastoma (astrocytic tumor, anaplastic oligodendroglioma, or oligoastrocytoma). Received prior standard radiation for a Grade 3 or 4 astrocytic tumor with a minimum cumulative dose of 40 Gy administered. Completed at least one full cycle of temozolomide of 200 mg/m2/day administered on Days 1-5 of a 28-day cycle, without unacceptable toxicity or progression. Karnofsky performance status of 60 or more. Adequate organ and bone marrow function as defined by hematological and serum chemistry limits. At least 18 years old. Both men and women must practice adequate contraception. Informed consent. Exclusion Criteria: Progressed while on temozolomide. Evidence of acute intracranial or intratumoral hemorrhage \> Grade 1. Not recovered from the toxic effects of prior therapy. Pregnant or breast feeding. History of diabetes mellitus. Uncontrolled intercurrent illness. Congestive heart failure, unstable angina, or a myocardial infarction within 3 months of entering the study. HIV positive. Diagnosis of another malignancy may exclude subject from study.