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. 2026 Sep 29;70(11):e00390-26. doi: 10.1128/aac.00390-26

TABLE 3.

Summary of adverse events (safety population)a,b

Participants with ≥1 event WCK 6777 2 g (N = 6) ERT 2 g (N = 6) ZID 2 g (N = 6) WCK 6777 4 g (N = 6) ERT 3 g (N = 6) ZID 3 g (N = 6) WCK 6777 6 g (N = 6) Placebo (N = 10) All participants (N = 52)
At least one adverse event 6 (100) 6 (100) 5 (83) 5 (83) 4 (67) 2 (33) 4 (67) 9 (90) 41 (79)
At least one related adverse event 4 (67) 6 (100) 4 (67) 5 (83) 2 (33) 2 (33) 4 (67) 8 (80) 35 (67)
 Mild (Grade 1) 3 (50) 5 (83) 4 (67) 4 (67) 1 (17) 2 (33) 4 (67) 7 (70) 30 (58)
 Moderate (Grade 2) 1 (17) 1 (17) 0 1 (17) 1 (17) 0 0 1 (10) 5 (10)
 Severe (Grade 3) 0 0 0 0 0 0 0 0 0
At least one severe (Grade 3) unsolicited adverse event 0 0 0 0 0 0 0 0 0
 Related 0 0 0 0 0 0 0 0 0
 Unrelated 0 0 0 0 0 0 0 0 0
At least one serious adverse event 0 0 0 0 0 0 0 0 0
At least one related serious adverse event 0 0 0 0 0 0 0 0 0
Adverse event leading to early terminationc 0 0 0 0 0 0 0 0 0
a

ERT, ertapenem; ZID, zidebactam; and WCK 6777, ertapenem/zidebactam.

b

Values are n (%). N, number of participants in the safety population.

c

As reported on the Adverse Event electronic case report form. Participants are counted once per category regardless of the number of events.