Table 2 Adverse events in patients infused with CAR T-cell therapy.

From: Impact of Extraosseous Extramedullary Disease on Outcomes of Patients with Relapsed-Refractory Multiple Myeloma receiving Standard-of-Care Chimeric Antigen Receptor T-Cell Therapy

Adverse event

Patients with active EMD

Patients without EMD

p Value

CRS, n (%)

N=47

N = 105

 

Any grade (1–5)

38 (81)

82 (78)

0.7001

Grade 3–5

5 (11)

3 (3)

0.0471

ICANS, n (%)

N = 47

N = 105

 

Any grade (1–5)

17 (36)

26 (25)

0.1490

Grade 3–5

3 (6)

7 (7)

0.9480

Tocilizumab use, n (%)

32 (68)

62 (59)

0.2891

Steroids use, n (%)

19 (40)

25 (24)

0.0368

Anakinra use, n (%)

10 (21)

3 (3)

0.0002

Infections (all grade), n (%)

20 (43)

32 (30)

0.1469

G-CSF use, n (%)

25 (53)

54 (51)

0.8407

TPO agonist use, n (%)

18 (38)

16 (15)

0.0208

Stem cell boost, n (%)

11 (23)

4 (4)

0.0002

Hematologic toxicity at Day 30 post CAR T infusion

N=42

N=105

 

Neutropenia at day 30, n (%)

Any grade (1–5)

31 (74)

71 (68)

0.4619

Grade 3–5

20 (48)

38 (36)

0.2003

Anemia at Day 30, n (%)

Any grade (1–5)

37 (88)

81 (77)

0.1317

Grade 3–5

9 (21)

16 (15)

0.3332

Thrombocytopenia at Day 30, n (%)

Any grade (1–5)

40 (95)

78 (74)

0.0006

Grade 3–5

26 (62)

40 (38)

0.0087

Hematologic Toxicity at Day 90 post CAR T infusion

N=30

N=96

 

Neutropenia at Day 90

Any grade (1–5)

13 (43)

31 (32)

0.2681

Grade 3–5

3 (10)

14 (15)

0.5213

Anemia at Day 90

Any grade (1–5)

20 (67)

46 (48)

0.0727

Grade 3–5

3 (30)

5 (5)

0.3475

Thrombocytopenia at Day 90

Any grade (1–5)

20 (67)

45 (47)

0.0583

Grade 3–5

5 (17)

12 (13)

0.5598

  1. CRS cytokine release syndrome, ICANS immune effector cell-associated neurotoxicity syndrome, G-CSF granulocyte-colony stimulating factor, TPO thrombopoietin receptor agonist.
  2. Bold p-values indicates statistically significant.