<qa>  What is allowed for glucocorticoid therapy?- Patients post-operative treatment must have included at least 80 of standard radiation and concomitant temozolomide; patients may not have received any other prior chemotherapy, immunotherapy or therapy with biologic agent including immunotoxins, immunoconjugates, antisense, peptide receptor antagonists, interferons, interleukins, tumor infiltrating lymphocytes TIL, lymphokine-activated killer LAK or gene therapy, or hormonal therapy for their brain tumor; prior Gliadel wafers are allowed; glucocorticoid therapy is allowed 