Table 2 Treatment-emergent adverse events occurring in ≥20% of patients receiving elranatamab

From: Elranatamab in relapsed or refractory multiple myeloma: phase 2 MagnetisMM-3 trial results

Treatment-emergent adverse events, n (%)

n = 123

Any grade

Grade 3 or 4

Any treatment-emergent adverse event

123 (100)

87 (70.7)

Hematologica

 Anemia

60 (48.8)

46 (37.4)

 Neutropenia

60 (48.8)

60 (48.8)

 Thrombocytopenia

38 (30.9)

29 (23.6)

 Lymphopenia

33 (26.8)

31 (25.2)

Nonhematologic

 Cytokine release syndrome

71 (57.7)

0

 Diarrhea

52 (42.3)

2 (1.6)

 Fatigue

45 (36.6)

4 (3.3)

 Decreased appetite

41 (33.3)

1 (0.8)

 Pyrexia

37 (30.1)

5 (4.1)

 COVID-19 relatedb

36 (29.3)c

19 (15.4)

 Injection site reaction

33 (26.8)

0

 Nausea

33 (26.8)

0

 Hypokalemia

32 (26.0)

13 (10.6)

 Cough

31 (25.2)

0

 Headache

29 (23.6)

0

  1. aPreferred terms included in hematologic treatment-emergent adverse events are provided in Supplementary Table 2.
  2. bIncludes preferred terms in COVID-19 (narrow) standardized MedDRA queries.
  3. c25/36 (69.4%) patients developed COVID-19 or COVID-19 pneumonia and 10/36 (30.6%) only had a positive SARS-CoV-2 test without developing the disease.
  4. MedDRA, Medical Dictionary for Regulatory Activities.