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. Author manuscript; available in PMC: 2024 Jul 1.
Published in final edited form as: Nat Rev Gastroenterol Hepatol. 2023 Apr 17;20(7):433–446. doi: 10.1038/s41575-023-00768-1

Table 2 |.

Serious adverse events, infections and malignancies reported in maintenance and/or open-label extension trials

Agent Serious adverse events Infections Malignancies
Ustekinumab
UNITI-IM93 (phase III CD) Placebo: 20/133 (15%)
90mg every 12weeks: 16/106 (12.1%) 90mg every 8weeks: 13/131 (9.9%)
Any
Placebo: 66/133 (49.6%)
90mg every 12weeks: 61/106 (46.2%) 90mg every 8weeks: 63/131 (48.1%)
Serious
Placebo: 3/111 (2.3%)
90mg every 12weeks: 7/106 (5.3%)
90mg every 8weeks: 3/131 (2.3%)
Basal cell carcinoma
Placebo: 1
90mg every 8weeks: 1
UNIFI109 (phase III UC) Placebo: 17/175 (9.7%)
90mg every 12weeks: 13/172 (7.6%) 90mg every 8weeks: 15/176 (8.5%)
Any
Placebo: 81/175 (46.3%)
90mg every 12weeks: 58/172 (33.7%)
90mg every 8weeks: 86/176 (48.9%)
Serious
Placebo: 4/175 (2.3%)
90mg every 12weeks: 6/172 (3.5%)
90mg every 8weeks: 3/176 (1.7%)
Excluding non-melanoma skin cancer
Placebo: 0
90mg every 12 weeks: 1/172 (0.6%)
90mg every 8 weeks: 1/176 (0.6%)
SEAVUE96 (phase III CD)a Adallmumab: 32/195 (16.4%)
Ustekinumab: 25/191 (13.1%)
Any
Adallmumab: 79/195 (40.5%)
Ustekinumab: 65/191 (34.0%)
Serious
Adalimumab: 5/195 (2.6%)
Ustekinumab: 4/191 (2.1%)
Adalimumab: 1/195 (0.5%, basal cell carcinoma)
Ustekinumab: 0
Risankizumab
M15–993 (ref. 129) (phase II CD)b Period 2: 18 (62.5)
Period 3: 9 (20.8)
Periods 1–3: 46 (42.2)
Any
Period 2: 37 (128.5)
Period 3: 32 (73.9)
Periods 1–3: 107 (98.1)
Serious
Period 2: 1 (3.5)
Period 3: 1 (2.3)
Periods 1–3: 5 (4.6)
None
M15–989 (ref. 156) and M16–000 (ref. 156) (phase II and III open-label extension CD)c 23 (35.4%); 24.6 Any
48 (73.8%); 112
Serious
6 (9.2%); 4.2
None
FORTIFY99 (phase III CD)d 360mg: 21.0
180mg: 19.5
Placebo: 19.3
Serious
360mg: 6.0
180mg: 3.0
Placebo: 5.0
Not reported
Guselkumab
GALAXI104 (phase II CD)e ≥1 serious adverse events
200mg IV followed by 100mg SC: 6 (8.2%)
600 mg IV followed by 200 mg SC: 5 (6.8%)
1,200mg IV followed by 200mg SC: 5 (6.8%)
≥1 infection
200 mg IV followed by 100 mg SC: 25 (34.2%)
600mg IV followed by 200mg SC: 30 (41.1%)
1,200mg IV followed by 200 mg SC: 25 (34.2%)
≥1serious infection
200mg IV followed by 100mg SC: 2 (2.7%)
600mg IV followed by 200mg SC: 2 (2.7%)
1,200mg IV followed by 200mg SC: 1 (1.4%)
Not reported

CD, Crohn’s disease; IV, intravenous; SC, subcutaneous; UC, ulcerative colitis.

a

Adalimumab and ustekinumab administered at approved doses.

b

Period 2 (week 26, n=101); period 3 (week 52, n = 62); periods 1–3 (weeks 12–52, n=115); data expressed as number of events per 100 patient-years.

c

184weeks (n = 65, 167 patient-years); data expressed as number of patients (%); events per 100 patient-years.

d

52 weeks; data expressed as exposure adjusted event rates per 100 patient-years.

e

48 weeks.