Study: NCT00993044

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Irinotecan
Description: Dose Level 1 Irinotecan 30 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~Dose Level 1.5\* Irinotecan 40 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~Dose Level 2 Irinotecan 50 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~Dose Level -1 Irinotecan 20 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~\* Dose escalation will proceed from dose level 1 to dose level 2 and de-escalate to dose level 1.5 if DLT is observed on dose level 2

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Vincristine
Description: Dose Level 1 Irinotecan 30 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~Dose Level 1.5\* Irinotecan 40 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~Dose Level 2 Irinotecan 50 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~Dose Level -1 Irinotecan 20 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~\* Dose escalation will proceed from dose level 1 to dose level 2 and de-escalate to dose level 1.5 if DLT is observed on dose level 2

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Temozolomide
Description: Dose Level 1 Irinotecan 30 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~Dose Level 1.5\* Irinotecan 40 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~Dose Level 2 Irinotecan 50 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~Dose Level -1 Irinotecan 20 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~\* Dose escalation will proceed from dose level 1 to dose level 2 and de-escalate to dose level 1.5 if DLT is observed on dose level 2

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Bevacizumab
Description: Dose Level 1 Irinotecan 30 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~Dose Level 1.5\* Irinotecan 40 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~Dose Level 2 Irinotecan 50 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~Dose Level -1 Irinotecan 20 mg/m2/day IV on day 1,2,3,4 and 5 Vincristine 1.5mg/m2 (2mg max dose) IV on day 1,8 Temozolomide 100 mg/m2 PO on day 1,2,3,4 and 5 Bevacizumab 15mg/kg IV on day 1~\* Dose escalation will proceed from dose level 1 to dose level 2 and de-escalate to dose level 1.5 if DLT is observed on dose level 2