Table 4.

Incidence and grade of CRS by dose and cycle among group I patients who received RO7283420 IV

n (%)Cycle 1, day 1
1 mg (n = 40)
Cycle 1, day 8
3 mg (n = 28)
Cycle 1, day 15
6-18 mg (n = 22)
Cycle 2, day 1
6-18 mg (n = 6)
Cycle 3 to EOT
6-18 mg (n = 10)
All grades 20 (50) 8 (28.6) 8 (36.4) 2 (33.3) 5 (50) 
Grade 1 11 (27.5) 6 (21.4) 7 (31.8) 2 (33.3) 4 (40) 
Grade 2 8 (20) 1 (3.6) 1 (4.5) 
Grade 3 1 (2.5) 1 (3.6) 1 (10) 
n (%)Cycle 1, day 1
1 mg (n = 40)
Cycle 1, day 8
3 mg (n = 28)
Cycle 1, day 15
6-18 mg (n = 22)
Cycle 2, day 1
6-18 mg (n = 6)
Cycle 3 to EOT
6-18 mg (n = 10)
All grades 20 (50) 8 (28.6) 8 (36.4) 2 (33.3) 5 (50) 
Grade 1 11 (27.5) 6 (21.4) 7 (31.8) 2 (33.3) 4 (40) 
Grade 2 8 (20) 1 (3.6) 1 (4.5) 
Grade 3 1 (2.5) 1 (3.6) 1 (10) 

CRS, cytokine release syndrome; EOT, end of treatment; IV, intravenous.

Following 1 mg step-up on day 1 in cycle 1.

Following 1/3 mg double step-up dosing in cycle 1.

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