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Combined results of phase 1/2 serious adverse events, deemed related to study treatment
| Toxicity | Grade 1 | Grade 2 | Grade 3 | Grade 4 |
|---|---|---|---|---|
| Noninfectious meningitis/arachnoiditis | 1 | 1 | ||
| Hydrocephalus | 1 | |||
| Nausea | 1 | |||
| Headache | 2 | |||
| Vomiting | 1 | |||
| Back pain | 1 | |||
| Extremity pain | 1 |
