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. 2022 Jun 3;15:749–765. doi: 10.2147/JAA.S275039

Table 3.

Summary of Adverse Events

NAVIGATOR41 
Phase 3
PATHWAY39 
Phase 2
Tezepelumab N=528 Placebo N=531 Tezepelumaba N=137 Placebo
N=138
Patientsb with any AE, n (%) 407 (77) 429 (81) 90 (66) 91 (66)
Patientsb with any serious AE, n (%) 52 (10) 73 (14) 13 (10) 18 (13)
Deaths, n (%) 0 2 (0.4) 0 0
Patientsb with AE leading to discontinuation, n (%) 11 (2) 19 (4) 2 (2) 1 (1)
Patients reporting TEAEs,b n (%)
AEs of any grade in ≥5% of patients in either treatment group
 Asthma 27 (5) 59 (11) 27 (20) 50 (36)
 Nasopharyngitis 113 (21) 114 (22) 19 (14) 16 (12)
 Upper respiratory tract infection 59 (11) 87 (16) 0 0
 Headache 43 (8) 45 (9) 11 (8) 6 (4)
 Bronchitis 25 (5) 33 (6) 5 (4) 7 (5)

Notes: aTezepelumab dose 210 mg SC Q4W; bPatients were counted once for each category regardless of the number of events.

Abbreviations: AE, adverse event; Q4W, every 4 weeks; SC, subcutaneous; TEAEs, treatment-emergent adverse events.