Skip to main content
. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: Lancet Infect Dis. 2021 Feb 12;21(7):975–983. doi: 10.1016/S1473-3099(20)30770-2

Table 3:

QTc adverse events, by grade.

Arm Total Number (%) of Participants with QTc Prolongation...
Grade 1 Grade 2 Grade 3 Grade 4
Bedaquiline 28 9 (32.1%) 1 (3.6%) 0 (0.0%) 0 (0.0%)
Delamanid 27 11 (40.7%) 0 (0.0%) 0 (0.0%) 0 (0.0%)
Bedaquiline plus delamanid 27 10 (37.0%) 2 (7.4%) 0 (0.0%) 0 (0.0%)
Total 82 30 (36.6%) 3 (3.7%) 0 (0.0%) 0 (0.0%)

Grade 1= 1) Absolute QTc >480 and ≤500 ms and QTc change from baseline >0 ms and ≤30 ms; or (2) absolute QTc ≤480 ms and QTc change from baseline >30 and ≤60 ms; Grade 2 = (1) Absolute QTc >480 ms and ≤500 ms and QTc change from baseline >30 ms and ≤ 60 ms; or (2) absolute QTc ≤480 and QTc change from baseline >60 ms. Grade 3 = (1) Absolute QTc >500 ms; or (2) absolute QTc >480 and QTc change from baseline >60 ms; Grade 4 = Life-threatening consequence, e.g., torsades de pointes or other associated serious ventricular dysrhythmia.