Everolimus in Combination With Nelarabine, Cyclophosphamide and Etoposide in Lymphoblastic Leukemia/Lymphoma

Given once daily orally via mouth or NG tube beginning at Dose Level (DL) 1 (4 mg/m2/day). Depending on safety and tolerability, dose levels will be escalated to DL2 (5 mg/m2/day). There is also a dose level de-escalation to DL0 (3 mg/m2/day) if toxicity is noted at DL1. Begins at Day 1 through 28.

650 mg/m2 IV daily x Day 1-5

440 mg/m2 IV x Day 1-5

100 mg/m2 IV x Day 1-5