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. 2026 Apr 16;24:233. doi: 10.1186/s12957-026-04330-6

Table 1.

Baseline characteristics of incl uded studies

Study Phase Sample size Age
Median
(Range)
dMMR pMMR PD-L1 (+) PD-L1 (-) Regimen
Arms N

MITO END-3 (2023)

[25]

2 Study 63 66(61–72) 26 35 23 39 Avelumab plus carboplatin and paclitaxel
Control 62 65(56–70) 31 29 24 35 Carboplatin and paclitaxel
DUO-E (2023) [21] 3 Study 477 64(22–84) 46 192 170 61 Durvalumab plus carboplatin and paclitaxel
Control 238 64(31–85) 49 192 163 75 Carboplatin and paclitaxel
NRG GY018 (2025) [23] 3 Study 404 67.2 (39.0–82.0)a 110 294 294 102 Pembrolizumab plus carboplatin and paclitaxel
66.2 (31–94.0)b
Control 406 66.0 (37.0–86.0)a 112 294 302 97 Carboplatin and paclitaxel
66.1 (29.0–91.0)b
AtTEnd (2024) [24] 3 Study 360 67 (61–73) 81 269 86 247 Atezolizumab plus carboplatin and paclitaxel
Control 189 65 (60–73) 44 140 44 129 Carboplatin and paclitaxel

RUBY (2023)

[22]

3 Study 245 64(41–81) 53 192 NR NR Dostarlimab plus carboplatin and paclitaxel
Control 249 65(28–85) 65 184 NR NR Carboplatin and paclitaxel

PD-L1 programmed cell death ligand 1, dMMR deficient mismatch repair, pMMR proficient mismatch repair, RCT randomized controlled trial, NR not reported

a dMMR subgroup; b pMMR subgroup