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Table 1 Characteristics of Patients Who Developed SPMs After CAR-T Therapy

From: Second primary malignancies following CAR T-cell therapy in patients with hematologic malignancies

Characteristics

N = 21 (%)

Age at CAR-T (in years), median (range)

66 (28–76)

Number of lines of therapy prior to CAR-T, median (range)

4 (2–23)

Sex

 Male

14 (67)

 Female

7 (33)

Disease type

 LBCL*

14 (67)

 SLL/CLL transformed to DLBCL**

2 (10)

 MCL

2 (10)

 MM

2 (10)

 PMBCL

1 (5)

Prior HSCT

8 (38)

LD chemotherapy

 Fludarabine + Cyclophosphamide

21 (100)

CAR-T product

 Axicabtagene ciloleucel

12 (57)

 Tisagenlecleucel

4 (19)

 Idecabtagene vicleucel

2 (10)

 Brexucabtagene autoleucel

2 (10)

 Lisocabtagene maraleucel

1 (5)

  1. SPM—second primary malignancies, LBCL—large B-cell lymphoma, MCL—mantle cell lymphoma, MM—multiple myeloma, CLL—chronic lymphocytic leukemia, PMBCL—primary mediastinal B cell lymphoma, HSCT—hematopoietic stem cell transplantation
  2. *LBCL includes DLBCL, NOS (n = 10), HGBL (n = 1), and transformed lymphomas (FL transformed to DLBCL, n = 3)
  3. **Richter’s transformation