USWM CT, LLC
This is a pediatric basket study to investigate the safety and efficacy of afamitresgene autoleucel in HLA-A\*02 eligible and MAGE-A4 positive subjects aged 2-17 years of age with advanced cancers.
Inclusion Criteria: * Subject has histologically confirmed diagnosis of any one of the following cancers: (A) Synovial Sarcoma (SS), (B) MPNST, (C) Neuroblastoma, or (D) Osteosarcoma (OS). * Age: (A) Synovial Sarcoma: 2 to 17 years (B) MPNST, Neuroblastoma and Osteosarcoma: 2 to 21 years * Body weight ≥ 10 kg * Must have previously received a systemic chemotherapy * Measurable disease prior to lymphodepletion according to RECIST v1.1 (or INCR, 2017 Neuroblastoma only). * HLA-A\*02 positive * Tumor shows MAGE-A4 expression confirmed by central laboratory. * Performance Status: (A) Subjects…
Single infusion of afamitresgene autoleucel Dose: For subjects ≥10 kg to \<40 kg: starting dose of 0.025 - 0.200 x 10'9 transduced cells/kg. For subjects ≥40 kg 1.0x109 to 10x109 transduced by a single intravenous infusion