VNP40101M and Temozolomide in Treating Patients With Progressive or Relapsed Malignant Glioma

CLORETAZINE will be administered intravenously on day 7. The starting dose of CLORETAZINE will be 100 mg/m2 given within 3 hours after the last dose of Temodar on day 7. CLORETAZINE will be given as an IV infusion over 15-30 minutes via a freely flowing peripheral or central intravenous line. CLORETAZINE will be escalated by 50 mg/m2 for the second cohort then by 25 mg/m2 increments in the following cohorts of 3-6 patients using a standard phase I trial design until a MTD is determined. If dose level 2 has two DLTs then patients will be accrued to a new dose level of 125 mg/m2. Prior to receiving Cloretazine, blood will be drawn for gene methylation studies.

Temozolomide will be given orally at a dose of 75mg/m2 daily on day 1 through 7. There will be no dose modification for this agent. Prior to receiving Temozolomide, blood will be drawn for gene methylation studies.