Table 3.

Treatment-emergent adverse events of special interest

All patients
(n = 23)
Dose level 1
(n = 9)
Dose level 2
(n = 14)
Patients with CRS    
 Any grade 17 (74) 7 (78) 10 (71) 
 Grade 1 7 (30) 3 (33) 4 (29) 
 Grade 2 8 (35) 4 (44) 4 (29) 
 Grade 3 2 (9) 2 (14) 
 Grade 4 
 Grade 5 
Time to CRS onset, days 3 (1-10) 7 (1-10) 2 (1-10) 
Time to CRS resolution, days 12 (2-50) 6 (2-30) 12.5 (2-50) 
Patients with NEs*    
 Any grade 9 (39) 2 (22) 7 (50) 
 Grade 1 
 Grade 2 4 (17) 4 (29) 
 Grade 3 4 (17) 2 (22) 2 (14) 
 Grade 4 1 (4) 1 (7) 
 Grade 5 
Time to NE onset, days 4 (2-21) 16 (11-21) 4 (2-11) 
Time to NE resolution, days 20.5 (6-50) 8.5 (6-11) 29.5 (9-50) 
Patients with CRS and/or NE 18 (78) 7 (78) 11 (79) 
Patients with CRS only 9 (39) 5 (56) 4 (29) 
Patients with NE only 1 (4) 1 (7) 
Tocilizumab and/or corticosteroid use    
 Tocilizumab only 6 (26) 3 (33) 3 (21) 
 Corticosteroids only 1 (4) 1 (7) 
 Both tocilizumab and corticosteroids 8 (35) 2 (22) 6 (43) 
 Tocilizumab and/or corticosteroids 15 (65) 5 (56) 10 (71) 
All patients
(n = 23)
Dose level 1
(n = 9)
Dose level 2
(n = 14)
Patients with CRS    
 Any grade 17 (74) 7 (78) 10 (71) 
 Grade 1 7 (30) 3 (33) 4 (29) 
 Grade 2 8 (35) 4 (44) 4 (29) 
 Grade 3 2 (9) 2 (14) 
 Grade 4 
 Grade 5 
Time to CRS onset, days 3 (1-10) 7 (1-10) 2 (1-10) 
Time to CRS resolution, days 12 (2-50) 6 (2-30) 12.5 (2-50) 
Patients with NEs*    
 Any grade 9 (39) 2 (22) 7 (50) 
 Grade 1 
 Grade 2 4 (17) 4 (29) 
 Grade 3 4 (17) 2 (22) 2 (14) 
 Grade 4 1 (4) 1 (7) 
 Grade 5 
Time to NE onset, days 4 (2-21) 16 (11-21) 4 (2-11) 
Time to NE resolution, days 20.5 (6-50) 8.5 (6-11) 29.5 (9-50) 
Patients with CRS and/or NE 18 (78) 7 (78) 11 (79) 
Patients with CRS only 9 (39) 5 (56) 4 (29) 
Patients with NE only 1 (4) 1 (7) 
Tocilizumab and/or corticosteroid use    
 Tocilizumab only 6 (26) 3 (33) 3 (21) 
 Corticosteroids only 1 (4) 1 (7) 
 Both tocilizumab and corticosteroids 8 (35) 2 (22) 6 (43) 
 Tocilizumab and/or corticosteroids 15 (65) 5 (56) 10 (71) 

Data are expressed as n (%) or median (range).

*

NEs were liso-cel–related neurological adverse events defined by the investigator.

NEs were not mutually exclusive (encephalopathy [n = 3], aphasia [n = 1], confusional state [n = 1], muscular weakness [n = 1], somnolence [n = 1]).