Allogeneic Neuroblastoma Cells for Relapsed/ Refractory Neuroblastoma, CYCHEALL

Patients will receive a fixed dose of IL-2 gene modified tumor cells (10\^7/kg, 10\^8 max) already shown to be safe from a previous protocol, and an escalating dose of Lptn transduced tumor cells, beginning at 10\^4/kg and rising to 10\^7/kg (10\^8 max). Patients will be assigned to an appropriate dose level for injection # 1. Injection #2 will contain 10 times more Lptn transduced cells than injection #1, until the max dose (10\^8) has been reached in the first injection. The dose of injections 3 through 8 will be the same as the dose of injection #2. Initial injection volumes will be \<1ml and should be injected in a single site. Only if these first patients show no undue local toxicity (including tumor cell growth) will multiple injection sites be used for subsequent high cell-dose studies.