Table 2 Adverse events, overall and by trial.

From: Donor-derived CARCIK-CD19 cells engineered with Sleeping Beauty transposon in acute lymphoblastic leukemia relapsed after allogeneic transplantation

Events

Phase 1/2 (FT01) (n = 15)

Compassionate (FT02) (n = 6)

Phase 2 (FT03) (n = 15)

Overall (n = 36)

CRS, n (%)

 No CRS

8 (53)

4 (67)

9 (69)

21 (58)

 Grade 1

3 (20)

1 (17)

4 (27)

8 (22)

 Grade 2

4 (27)

1 (17)

2 (13)

7 (19)

 Grade ≥ 3

0 (0)

0 (0)

0 (0)

0 (0)

ICANS, n (%)

 No ICANs

14 (93)

6 (100)

15 (100)

35 (97)

 Grade 1

0 (0)

0 (0)

0 (0)

0 (0)

 Grade 2

1 (7)

0 (0)

0 (0)

1 (3)

 Grade ≥ 3

0 (0)

0 (0)

0 (0)

0 (0)

Neurotoxicity, n (%)

 Grade 3

2 (13)

0 (0)

0 (0)

2 (6)

GVHD, n (%)

 Grade 1–4

0 (0)

0 (0)

0 (0)

0 (0)

Infection, n (%)

 No infection

11 (73)

5 (83)

10 (67)

26 (72)

 Grade 1

1 (7)

0 (0)

1 (7)

2 (6)

 Grade 2

1 (7)

0 (0)

1 (7)

2 (6)

 Grade 3

0 (0)

1 (17)

3 (20)

4 (11)

 Grade 4

1 (7)

0 (0)

0 (0)

1 (3)

 Grade 5

1 (7)

0 (0)

0 (0)

1 (3)

Prolonged cytopenia, n (%)a

 Grade ≥ 3 neutropenia, day 28

5 (45)

3 (50)

6 (43)

14 (47)

 Grade ≥ 3 thrombocytopenia, day 28

4 (36)

4 (80)

7 (50)

15 (50)

 Grade ≥ 3 neutropenia, day 90

0 (0)

1 (25)

6 (55)

7 (33)

 Grade ≥ 3 thrombocytopenia, day 90

3 (50)

1 (25)

4 (36)

8 (38)

  1. aEvaluated among patients in CR at day 28 (N = 30) or day 90 (N = 24 patients in remission, 3 patients missing neutropenia and thrombocytopenia evaluation). CRS cytokine release syndrome, ICANS immune effector cell-associated neurotoxicity syndrome, GVHD graft versus host disease.