Neuroblastoma Protocol 2008: Therapy for Children With Advanced Stage High Risk Neuroblastoma

All children will receive fixed doses of intravenous temsirolimus (50 mg/m2 weekly 6 times ) concomitantly with two courses of fixed dosages of irinotecan (20 mg/m2 intravenously daily 5 times ,2 days off, repeated daily 5 times .If these initial dosages are not tolerable then subsequent patients will be given a reduced dosage of temsirolimus (25 mg/m2 weekly 6 times) with 20 mg/m2 of irinotecan.If this dosage combination is not tolerable, the irinotecan dosage will be decreased to 15 mg/m2 .If this dosage combination is not tolerable then further enrollment to the initial six week treatment will be terminated.The second course of irinotecan will begin on day 22 and response will be determined after six weeks (two courses). Resection of primary tumor will be attempted after this initial therapy, whenever possible. Following initial treatment children will undergo alternating courses of induction chemotherapy with cyclophosphamide, doxorubicin, etoposide, topotecan, and cisplatin (Block 2). The first cohort of 17 patients will receive Block 2 with temsirolimus (50mg/m2) for all three courses, weekly 2 times. If this is not tolerated subsequent patients will receive Block 2 chemotherapy with reduced dosages of temsirolimus (25mg/m2).