From: BCNU for recurrent glioblastoma multiforme: efficacy, toxicity and prognostic factors
 | First relapse | Second relapse | Third relapse | Fourth relapse |
---|---|---|---|---|
BCNU | 30 | 4 | 0 | 1 |
Resection | 0 | 1 | 1 | 0 |
LINAC radiosurgery | 2 | 0 | 0 | 0 |
Local immunotoxin administration | 2 | 0 | 0 | 0 |
Alternative chemotherapy (cilengitide) | 1 | 0 | 0 | 0 |