C7R-GD2.CART Cells for Patients With Relapsed or Refractory Neuroblastoma and Other GD2 Positive Cancers (GAIL-N)

"Active dose levels:~C7R-GD2.CART cell without lymphodepletion (Arm A or Arm B)~Dose Level 2b = 3 x 10\^7 on day 0 and day 7~Dose Level 3b = 1 x 10\^8 on day 0 and day 7.~Day 7 dose (+- 2 days) will be omitted if patients have persistent CRS (Grade 2 or higher) experienced a DLT or for other clinical concerns at the discretion of the PI."