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. 2020 Nov 10;9:255–272. doi: 10.2147/ITT.S229667

Table 3.

Adverse Events Associated with JAK Inhibitors

Trial Percent of Patients Reporting TEAEs Frequency of Serious Adverse Events Adverse Events Frequency of Adverse Events Rate of Discontinuation
Topical
Delgocitinib Nakagawa et al.34 Pediatric 41.7% 0% Nasopharyngitis 0.25% (17.6%)
0.5% (20.6%)
Vehicle (8.6%)
4.9%
Impetigo 0.25% (5.9%)
0.5% (2.9%)
Vehicle (8.6%)
Urticaria 0.25% (5.9%)
0.5% (0%)
Vehicle (0%)
Nakagawa et al.33
Adult at the end of 4 weeks
18.4% 0% Nasopharyngitis 0.5% (5.7%)
Placebo (3.8%)
2.5%
Kaposi varicelliform eruption 0.5% (1.9%)
Placebo (0%)
Dental carries 0.5% (1.9%)
Placebo (0%)
Ruxolitinib Kim et al.36 30.4% 0% Application site pain 0.1% Triamcinolone BID (0%)
0.15% (2.0%)
0.5% (0%)
1.5% (3.9%)
1.5 BID (2.0%)
Vehicle (3.8%)
N/A
Nasopharyngitis 0.1% Triamcinolone BID (0%)
0.15% (5.9%)
0.5% (2.0%)
1.5% (7.8%)
1.5% BID (4.0%)
Vehicle (7.7%)
TRuE-AD138 N/A N/A N/A N/A N/A
TRuE-AD238 N/A N/A N/A N/A N/A
Tofacitinib Bissonnette et al.41 43.5% 0% Infections (mostly nasopharyngitis) 2% (8.7%)
Vehicle (4.3%)
5.8%
CPK increase 2% (0%)
Vehicle (4.3%)
Contact dermatitis 2% (0%)
Vehicle (4.3%)
Headache 2% (1.4%)
Vehicle (2.9%)
Oral
Abrocitinib Gooderham, et al.42 68.9% 3.4% Gastrointestinal disorders 10 mg (8.2%)
30 mg (9.8%)
100 mg (10.7%)
200 mg (21.8%)
Placebo (7.1%)
41.2%
Diarrhea 10 mg (6.1%)
30 mg (2.0%)
100 mg (1.8%)
200 mg (9.1%)
Placebo (1.8%)
Nausea 10 mg (6.1%)
30 mg (5.9%)
100 mg (1.8%)
200 mg (14.5%)
Placebo (1.8%)
Infections and infestations 10 mg (46.9%)
30 mg (37.3%)
100 mg (42.9%)
200 mg (41.8%)
Placebo (23.2%)
JADE MONO-145 N/A 3.0% Short-lasting nausea 100 mg (9.0%)
200 mg (20.9%)
Placebo (N/A)
6.5%
Headaches 100 mg (7.7%)
200 mg (9.7%)
Placebo (N/A)
Nasopharyngitis 100 mg (14.7%)
200 mg (11.7%)
Placebo (N/A)
Silverberg et al.46
JADE MONO-2
62.1% 2.1% Nausea 100 mg (7.6%)
200 mg (14.2%)
Placebo (2.6%)
15.6%
Nasopharyngitis 100 mg (12.7%)
200 mg (7.7%)
Placebo (6.4%)
Headache 100 mg (5.7%)
200 mg (7.7%)
Placebo (2.6%)
Thrombocytopenia 100 mg (0%)
200 mg (3.2%)
Placebo (0%)
Baricitinib Guttman-Yassky et al.48 54.8% 0.8% Headaches 2 mg + TCS (5%)
4 mg + TCS (13%)
Placebo (0%)
31.45%
CPK increase 2 mg + TCS (3%)
4 mg + TCS (13%)
Placebo (0%)
Nasopharyngitis 2 mg + TCS (3%)
4 mg + TCS (8%)
Placebo (2%)
Simpson et al.50
BREEZE-AD1
55.8% 2.7% Nasopharyngitis 1 mg (17.3%)
2 mg (9.8%)
4 mg (9.6%)
Placebo (10.4%)
7.9%
URIs 1 mg (0.8%)
2 mg (2.4%)
4 mg (3.2%)
Placebo (2.4%)
CPK increase 1 mg (0.8%)
2 mg (0.8%)
4 mg (3.2%)
Placebo (0.8%)
Headaches 1 mg (5.5%)
2 mg (11.4%)
4 mg (8.0%)
Placebo (6.4%)
Simpson et al.50
BREEZE-AD2
55.4% 3.8% Nasopharyngitis 1 mg (10.5%)
2 mg (13.0%)
4 mg (8.1%)
Placebo (12.3%)
7.3%
URIs 1 mg (4.8%)
2 mg (4.1%)
4 mg (3.3%)
Placebo (2.0%)
CPK increase 1 mg (3.2%)
2 mg (0.8%)
4 mg (5.7%)
Placebo (0.4%)
Headaches 1 mg (4.8%)
2 mg (7.3%)
4 mg (8.9%)
Placebo (2.0%)
BREEZE-AD451 N/A N/A Nasopharyngitis N/A N/A
Headache N/A
Influenza N/A
Gusacitinib (ASN002) Bissonnette et al52 N/A 2.8% Headache 20 mg (11%)
40 mg (44%)
80 mg (22%)
Placebo (33%)
N/A
Nausea 20 mg (0%)
40 mg (11%)
80 mg (44%)
Placebo (22%)
Nasopharyngitis 20 mg (22%)
40 mg (11%)
80 mg (0%)
Placebo (11%)
Diarrhea 20 mg (0%)
40 mg (11%)
80 mg (22%)
Placebo (11%)
Back pain 20 mg (0%)
40 mg (22%)
80 mg (0%)
Placebo (0%)
Upadacitinib Guttman-Yassky, et al.53 72.9% 2.4% URI 7.5 mg (17%)
15 mg (12%)
30 mg (12%)
Placebo (10%)
24%
Worsening AD 7.5 mg (14%)
15 mg (4.8%)
30 mg (9.5%)
Placebo (5%)
Acne 7.5 mg (9.5%)
15 mg (4.8%)
30 mg (14%)
Placebo (2.5%)
Headache 7.5 mg (7.1%)
15 mg (7.1%)
30 mg (9.5%)
Placebo (2.5%)
Neutropenia 7.5 mg (2.4%)
15 mg (4.8%)
30 mg (4.8%)
Placebo (0%)

Abbreviations: AD, atopic dermatitis; BID, twice daily; CPK, creatinine phosphokinase; mg, milligram; N/A, not available; TCS, topical corticosteroid; TEAE, treatment emergent adverse event; URI, upper respiratory infection.