A Trial of Temsirolimus With Etoposide and Cyclophosphamide in Children With Relapsed Acute Lymphoblastic Leukemia and Non-Hodgkins Lymphoma

Dose will be assigned at study entry. Give IV over 30 minutes on days 1 and 8.

100 mg/m2 IV over 1-2 hours daily x 5 on Days 1-5.

440 mg/m2 IV daily x 5 on Days 1-5 given over 30-60 minutes.

"PATIENTS WITH CNS 1 COURSES 2, 4, 6, 8: Give intrathecally to patients who were CNS1 at study entry day 1 of each course at the doses listed below.~* Age 1 - 1.99 give 8 mg of methotrexate~* Age 2 - 2.99 give10 mg of methotrexate~* Age 3 - 8.99 give 12 mg of methotrexate~* Age ≥ 9 give 15 mg of methotrexate~PATIENTS WITH CNS 2 or 3 DISEASE~-COURSE 1: Give intrathecally to patients with CNS 2 or 3 disease at the doses defined by age below on day 6 and then weekly until the patient is CNS 1.~COURSES 2-8: Give intrathecally to patients who were CNS 3 at study entry on day 1 of each course.~* 8 mg for patients age 1-1.99~* 10 mg for patients age 2-2.99~* 12 mg for patients 3-8.99 years of age~* 15 mg for patients \>9 years of age"

"Given with Methotrexate and Cytarabine for patients with CNS 2 or 3 disease.~COURSE 1: Give intrathecally to patients with CNS 2 or 3 disease at the doses defined by age below on day 6 and then weekly until the patient is CNS 1.~COURSES 2-8: Give intrathecally to patients who were CNS 3 at study entry on day 1 of each course.~* 8 mg for patients age 1-1.99~* 10 mg for patients age 2-2.99~* 12 mg for patients 3-8.99 years of age~* 15 mg for patients \>9 years of age"

"For Patients who are CNS1 COURSE 1: Give intrathecally to patients with CNS1 disease at the dose defined by age below on day 1 of course 1 if no other IT was given within 1 week of day 1 of course 1~* Age 1 - 1.99 give 30 mg of Cytarabine~* Age 2 - 2.99 give 50mg of Cytarabine~* Age ≥ 3 give 70 mg of Cytabine~For Patients with CNS 2 or 3 Disease COURSE 1: Give intrathecally to patients with CNS 2 or 3 disease at the doses defined by age below on day 1 if no other IT chemotherapy given within 1 week of day 1 of course 1. Then give weekly until the patient is CNS 1 or 2 (investigator discretion). No more than 5 weekly doses to be given in cycle 1.~COURSES 2-8: Give intrathecally to patients who were CNS 2or 3 at study entry on day 1 of each course.~* 16 mg for patients age 1-1.99~* 20 mg for patients age 2-2.99~* 24 mg for patients 3-8.99 years of age~* 30 mg for patients \>9 years of age"