CAN008 Biomarker CD95 Ligand and CpG2 Methylation in Chinese Patients With Glioblastoma

Inclusion Criteria: * Chinese nationality * No limits on Gender and age * First diagnosed GBM * Brain tumor tissue cytological diagnosis of glioblastoma (GBM, pleomorphic glioblastoma, WHO level IV) Exclusion Criteria: * Other types of glioma by histological diagnosis * Tumor tissue not eligible for the central laboratory testing standard * No enough tumor tissue for the central laboratory test