A method of inducing cell death in a glioblastoma multiforme cancer cell is provided, the method comprising administering to the cell a combination of therapeutic agents comprising: saposin C and dioleoylphosphatidylserine (SapC-DOPS), and nucleolin aptamer AS1411, wherein cell death of the cancer cell is induced. Also provided are methods of treating glioblastoma multiforme, methods of inhibiting growth of a glioblastoma multiforme tumor, kits, and pharmaceutical compositions comprising SapC-DOPS and