Surgery, Radiation Therapy, and Chemotherapy With or Without Photodynamic Therapy in Treating Patients With Newly Diagnosed or Recurrent Malignant Supratentorial Gliomas

RATIONALE: Photodynamic therapy uses light and drugs that make cancer cells more sensitive to light to kill tumor cells. It is not yet known if the addition of photodynamic therapy to combined therapy with surgery, radiation therapy, and chemotherapy is more effective than combined therapy alone for supratentorial gliomas. PURPOSE: Randomized phase III trial to study the effectiveness of surgery, radiation therapy, and chemotherapy with or without photodynamic therapy in treating patients who have newly diagnosed or recurrent malignant supratentorial gliomas.