NOA-07-Trial (multicenter pilot study on the treatment of adult medulloblastoma) NOA-07-Trial (multicenter pilot study on the treatment of adult medulloblastoma) Previous Study NOA-06-Trial (prospective randomized phase 3 trial for solitary/singular brain metastases: Surgery versus surgery plus whole brain irradiation) Next Study NOA-08-Trial (Temozolomide – one week on/one week off – versus radiotherapy in first-line therapy of anaplastic astrocytomas and glioblastomas in older patients)