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. 2025 Aug 6;79:45–59. doi: 10.1016/j.euros.2025.07.010

Table 3.

Immune-related adverse events

Trial Treatment Number of patients Any irAE, n (%) G3/G4 irAE, n (%) Most common (G3/G4) RC withheld because of TRAEs Treatment discontinuation
ABACUS [53] Atezolizumab 87 6 (6.8) 6 (6.8) Hepatitis (4.5%)/skin rash (1.1%)/myocarditis (1.1%) 3 (3.5%) Yes (3%)
ABACUS-2 [19] Atezolizumab 23 3 (13) 1 (4.3) Hepatitis (9%)/kidney injury (4%) No No
ANTICIPATE [60] Tislelizumab and APL-1202 (nitroxoline) 9 Hepatitis (11.1%) No
ANTICIPATE II [61] A: Tislelizumab and APL-1202 (nitroxoline)
B: Tislelizumab
32 total
A: 18
B: 14
2 (11)
2 (14.3)

Kidney injury (5.5%)/hepatitis (5.5%)
Immune hyperthyroidism (14.3%)
Yes
Yes
Yes (11.1%)
Yes (7.2%)
AURA [42] A: Avelumab + ddMVAC
B: Avelumab + GC
C: Avelumab + paclitaxel + gemcitabine
D: Avelumab
137 total
A: 39
B: 40
C: 29
D: 29








2 (1.4%)
BL-AIR [17] Avelumab 1 1 (100) 0 Kidney injury (100%) Yes (100%)
BLASST-1 [16] Nivolumab + GC 41 28 (68) 0 Skin rash (30%)/hepatitis (27%)/kidney injury (7%) No No
BLASST-2 [18] A: Durvalumab
B: Durvalumab + oleclumab
20 total
A: 10
B: 10








No
ChiCTR2100050763 [13] A: Cisplatin + gemcitabine + tislelizumab
B: Carboplatin + gemcitabine + tislelizumab
21 total

No
No
DUTRENEO [11] A: Cold group—standard cisplatin-based CT (GC or ddMVAC)
B: Hot group—standard cisplatin-based CT (GC or ddMVAC)
C: Hot group—durvalumab + tremelimumab
61 total
A: 16
B: 22
C: 23

0
2 (12.5)
5 (21)

0
1 (4.5)
1 (4.3)

Absent
Skin rash (4%)
Skin rash (8%)/hepatitis (2%)

1 (6%)
2 (9%)
3 (13%)
No
HCRN GU14-188 [15] A: GC + pembrolizumab
B: Gemcitabine + pembrolizumab
82 total
A: 42
B: 40


10 (11.2)

Hepatitis (3.7%)/skin rash (2.5%)/pneumonitis (2.5%)/colitis (2.5%)
HCRN GU16-257 GC + nivolumab 76 70 (92) 1 (1.3) Kidney injury (50%)/hepatitis (25%)/skin rash (17%)
LCCC1520 [32] Pembrolizumab + GC 39 1 (2.5) 1 (2.5) Diabetes mellitus (2.5%) No Yes (2%)
MDACC [10] Durvalumab + tremelimumab 28 30 (100) 18 (64) Skin rash (29%)/amylase increased (29%)/hepatitis (21%)/lipase increased (18%)/colitis (11%) 2 (7%) Yes (7%)
NABUCCO [31] Nivolumab + ipilimumab 24 24 (100) 13 (54) Lipase increased (33%)/diarrhea (21%)/hepatitis (21%)/skin rash (21%)/colitis (12%) 1 (4%) Yes (25%)
NCT00362713 [12] Ipilimumab 6
NCT02989584 [54] Atezolizumab + GC 39 47 (100) 7 (18) Pancreatitis (9%)/hepatitis (2%)/kidney injury (2%)/skin rash (2%) No No
NCT03520491 [35] A: Nivolumab
B: Nivolumab + ipilimumab
30 total
A: 15
B: 15





Myocardites (1.7%)
Lipase increase (20%)/hepatitis (33%)

1 (6.6%)
2(13%)

Yes (6.6%)
Yes (13%)
NCT03912818 [57] A: Durvalumab + ddMVAC
B: Durvalumab + GC
C: Durvalumab, carboplatin, and gemcitabine
6 total
A: 3
B: 0
C: 3

0

1 (33)

0

0

Absent

Kidney injury (33%)

No

No

No

No
NCT04430036 [58] AGEN1884 (anti–CTLA-4 antibody) + AGEN2034 (anti–PD-1) + GC 4 2 (50) 0 Hepatitis (25%)/skin rash (25%) No No
NCT04610671 [59] Nivolumab + CG0070 21 1(5) 0 Thyroiditis (5%) No No
NCT04861584 [34] Toripalimab + GC 16 5 (30) 0 Thyroiditis (18.75%)/skin rash (12.5%) No
NEBULA [37] A: Atezolizumab (single dose)
B: Atezolizumab (2 doses)
C: Atezolizumab (3 doses)
20 total
A: 6
B: 5
C: 9

2 (33)
1 (20)
6 (66)

0
0
0

Kidney injury (33%)
Skin rash (20%)
Kidney injury (27%)/skin rash (18%)/hepatitis (9%)

No
No
No

No
No
No
NEMIO [41] A: Durvalumab + ddMVAC
B: Durvalumab, tremelimumab + ddMVAC
120 total
A: 60
B: 59

0
0

0
0

Absent
Absent



No
No
NEODURVARIB [56] Durvalumab + olaparib 28
NIAGARA [8] A: Durvalumab + GC →durvalumab
B: GC
1063 total
A: 533
B: 530

98 (18.5)
77 (14.6)

11 (2)
4 (0.75)

Kidney injury (18.5%)
Kidney injury (14.6%)

9 (1.7%)
6 (1.1%)

Yes (21.1%)
Yes (15.1%)
NURE-COMBO [39] Nivolumab + nab-paclitaxel 31 7 (22.6) 1 (3.2) Hepatitis (22.6%) Yes (16.1%)
PANDORE [55] Pembrolizumab 39
PIVOT IO 009 [29]
A: Nivolumab + B
B: Nivolumab
C: Radical cystectomy
114 total
A: 37
B: 37
C: 40

10 (27)
10 (27)
0



0
Kidney Injury (13.5%)/skin rash (10.81%)/amylase increased (5.4%)
Kidney injury (10.81%)/skin rash (10.81%)/arthritis (5.4%)/0




Yes (21.6%)
Yes (21.6%)
No
PrECOG PrE0807 [38] A: Nivolumab
B: Nivolumab and lirilumab
43 total
A: 13
B: 30

1 (8)
3 (10)

0
0

Skin rash (8%)
Skin rash (10%)

No
No

No
No
PURE-01 [36] Pembrolizumab 155 11 (7.1) 2 (1.2) Hepatitis (3.9%)/skin rash (3.2%) No No
SAKK 06/17 [40] Durvalumab + cisplatin-gemcitabine 58 29 (50) 7 (12) Hepatitis (14%)/diarrhea (12%)/lipase or amylase increased (11%) No No
SunRise-4 [62] A: TAR-200 (intravesical gradual release of gemcitabine) and cetrelimab
B: Cetrelimab
122 total
A: 80
B: 42







No
No

Yes (8.9%)
Yes (7.6%)
TRUCE-01 [33] Tislelizumab + nab-paclitaxel 47 26 (55) 4 (8.4) Skin rash (41%)/kidney injury (14%) Yes (6.3%)

B = bempegaldesleukin; CT = chemotherapy; CTLA-4 = T-lymphocyte–associated protein 4; ddMVAC = dose-dense methotrexate, vinblastine, doxorubicin, and cisplatin; G = grade; GC = cisplatin + gemcitabine; irAE = immune-related adverse event; PD-1 = programmed cell death protein 1; RC = radical cystectomy; TRAE = treatment-related adverse event.