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. 2021 Aug 6;73(9):1663–1672. doi: 10.1002/art.41716

Table 2.

Safety results in patients in the SPIRIT‐P3 study*

All‐ixekizumab combined

(every 2 weeks)

(n = 394)

Randomized withdrawal ITT population

Ixekizumab withdrawal

(n = 79)

Ixekizumab

every 2 weeks

(n = 79)

Exposure, no. of person‐years 631.1 42.1 71.0
TEAEs 325 (82.5) 40 (50.6) 40 (50.6)
Mild 156 (39.6) 30 (38.0) 24 (30.4)
Moderate 144 (36.5) 9 (11.4) 14 (17.7)
Severe 25 (6.3) 1 (1.3) 2 (2.5)
Serious AE 28 (7.1) 2 (2.5) 1 (1.3)
Discontinuations due to AE 21 (5.3) 1 (1.3) 0 (0)
Deaths 2 (0.5) 0 (0) 0 (0)
Most frequent TEAEs§
Nasopharyngitis 70 (17.8) 4 (5.1) 11 (13.9)
Upper respiratory tract infection 65 (16.5) 4 (5.1) 9 (11.4)
Injection site reaction 62 (15.7) 0 (0) 1 (1.3)
Bronchitis 34 (8.6) 1 (1.3) 4 (5.1)
Urinary tract infection 21 (5.3) 3 (3.8) 1 (1.3)
Sinusitis 20 (5.1) 1 (1.3) 0 (0)
AEs of special interest
Infections 243 (61.7) 20 (25.3) 29 (36.7)
Serious infections 5 (1.3) 1 (1.3) 0 (0)
Injection site reactions 80 (20.3) 0 (0) 2 (2.5)
Hepatic events 37 (9.4) 3 (3.8) 6 (7.6)
Allergic reactions/hypersensitivity events# 25 (6.3) 0 (0) 3 (3.8)
Cytopenias 21 (5.3) 1 (1.3) 5 (6.3)
Depression 13 (3.3) 0 (0) 0 (0)
Cerebrocardiovascular events** 3 (0.8) 0 (0) 0 (0)
Malignancies 2 (0.5) 0 (0) 0 (0)
Inflammatory bowel disease** 1 (0.3)†† 0 (0) 0 (0)
*

Except where indicated otherwise, values are the number (%). ITT = intent‐to‐treat; TEAEs = treatment‐emergent adverse events.

Patients who had at least 1 dose of ixekizumab.

Randomization to relapse or week 104.

§

Defined as >5% of TEAEs reported in the all‐ixekizumab combined group.

Reported as AEs according to the high‐level term in Medical Dictionary for Regulatory Activities, v.21.1. Groups of AEs of special interest are shown. No events of interstitial lung disease were reported in any group.

#

No allergic reactions/hypersensitivity events were anaphylaxis events.

**

Adjudicated event.

††

Crohn’s disease.