| Adverse Drug Event Incidence | Burzynski et al., Antineoplastons (%) | Lashford et al., 2002 [26] Temozolomide (%) |
| Hypokalemia | 9 | |
| Fatigue | 1 | |
| Thrombocytopenia | 7 | |
| Leukopenia | 5 | |
| Vomiting | 2 | |
| Anorexia | <1 | |
| Sepsis | 2 | |
| Pneumonia | 2 | |
| Neuropathy | <1 | |
| Seizures | <1 | |
| Pain | <1 |