Table 3.

Rates of CAR T-cell–related toxicities, CRS, and ICANS in patients with R/R CNS B-ALL stratified by CNS disease grade and presence of radiological evidence and/or symptoms

Toxicity/GradeCNS statusRadiological evidence and/or symptoms
CNS-2 (n = 15)CNS-3 (n = 16)Yes (n = 7)No (n = 24)
CRS, n (%)     
Grade 3/4 0 (0) 1 (6.3) 0 (0) 1 (4.2) 
All grades 13 (86.7) 10 (62.5) 7 (100) 16 (66.7) 
ICANS, n (%)     
Grade 3/4 4 (26.7) 7 (43.7) 6 (85.7) 5 (20.8) 
All grades 9 (60.0) 11 (68.8) 7 (100) 13 (54.1) 
Toxicity/GradeCNS statusRadiological evidence and/or symptoms
CNS-2 (n = 15)CNS-3 (n = 16)Yes (n = 7)No (n = 24)
CRS, n (%)     
Grade 3/4 0 (0) 1 (6.3) 0 (0) 1 (4.2) 
All grades 13 (86.7) 10 (62.5) 7 (100) 16 (66.7) 
ICANS, n (%)     
Grade 3/4 4 (26.7) 7 (43.7) 6 (85.7) 5 (20.8) 
All grades 9 (60.0) 11 (68.8) 7 (100) 13 (54.1) 

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