FKC288 for Relapsed or Refractory Systemic Light Chain (AL) Amyloidosis

Administration of FKC288 Four dose groups of 0.1×10\^6 CAR-T/kg, 0.3×10\^6 CAR-T/kg, 1.0×10\^6 CAR-T/kg, and 3.0×10\^6 CAR-T/kg FKC288 are designed in this study. 3 to 6 subjects are expected to be enrolled in each dose group according to observed DLT.