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. 2023 Aug 8;46(10):927–949. doi: 10.1007/s40264-023-01328-x

Table 2.

Incidence of adjudicated drug-related ILD/pneumonitis in the DESTINY-Breast03 trial [50]

Population Treatment arm Adjudicated drug-related ILD/pneumonitis, n (%)
Grade 1 Grade 2 Grade 3 Grade 4 Grade 5 Any grade
Overall T-DXd (n = 257) 7 (2.7) 18 (7.0) 2 (0.8) 0 0 27 (10.5)
T-DM1 (n = 261) 4 (1.5) 1 (0.4) 0 0 0 5 (1.9)
Asian patients T-DXd (n = 147) 5 (3.4) 10 (6.8) 1 (0.7) 0 0 16 (10.9)
T-DM1 (n = 159) 3 (1.9) 1 (0.6) 0 0 0 4 (2.5)
Japanese patients T-DXd (n = 36) 4 (11.1) 4 (11.1) 0 0 0 8 (22.2)
T-DM1 (n = 31) 2 (6.5) 1 (3.2) 0 0 0 3 (9.7)

ILD interstitial lung disease, T-DM1 trastuzumab emtansine, T-DXd trastuzumab deruxtecan