Temozolomide & RT Followed by Dose Dense vs Temozolomide & Retinoic Acid in Pts w/Glioblastoma

Focal RT 6000 cGy/ Temozolomide 75 mg/m2 then Temozolomide 50mg/m2 will be given to patients on days 1-28 of each 28 day cycle. Maintenance cis-retinoic acid. This therapy will start at the completion of 6 cycles of adjuvant temozolomide in all patients who have had no clinical or radiographic evidence of tumor progression.Treatment will continue in 28 day cycles until tumor progression.

Focal RT 6000 cGy/ Temozolomide 75 mg/m2 plus Temozolomide 150 mg/m2 will be given to patients on days 1-7 and 15-21 of each 28 day cycle. Maintenance cis-retinoic acid. This therapy will start at the completion of 6 cycles of adjuvant temozolomide in all patients who have had no clinical or radiographic evidence of tumor progression.Treatment will continue in 28 day cycles until tumor progression.