The prognosis of patients with newly diagnosed glioblastoma is dismal despite recent therapeutic improvements Using standard therapy with temozolomide (TMZ) and radiotherapy (60 Gy), the median overall survival time (mOS) is 14.6 months (Stupp et al., 2005). Since in a previous non-randomized bicentric phase II trial, primary combination chemotherapy with lomustine (CCNU) and TMZ was highly effective (mOS 23 months; UKT-03 trial; Herrlinger et al., 2006; Glas et al., 2009) the proposed trial
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