{"eventGroups":[{"deathsNumAffected":5,"deathsNumAtRisk":16,"description":"All patients aged 3-55 years will be conditioned with cyclophosphamide (CY) 120 mg/kg total dose, fludarabine (FLU) 75 m/m2 total dose and total body irradiation (TBI) 1320 cGy total dose as well as tacrolimus (Tac) and mycophenolate mofetil (MMF) immunoprophylaxis and granulocyte-colony stimulating factor (G-CSF)","id":"EG000","otherNumAffected":0,"otherNumAtRisk":16,"seriousNumAffected":0,"seriousNumAtRisk":16,"title":"FLU, CY, TBI + MGTA-456 Infusion"},{"deathsNumAffected":2,"deathsNumAtRisk":2,"description":"All young children \\<3 years of age at the time of diagnosis will receive MGTA-456 on the day of transplantation after a non-TBI containing myeloablative conditioning as TBI may have a damaging effect on brain development in the very young child. All patients aged 0-3 years will be conditioned with busulfan (BU), FLU and melphalan (MEL) as well as Tac/MMF immunoprophylaxis and G-CSF","id":"EG001","otherNumAffected":0,"otherNumAtRisk":2,"seriousNumAffected":0,"seriousNumAtRisk":2,"title":"BU,FLU, MEL + MGTA-456 Infusion"}],"frequencyThreshold":"0","timeFrame":"2 years"}