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. 2025 Apr 1;19:1884. doi: 10.3332/ecancer.2025.1884

Table 1. Characteristics of the studies included in this present meta-analysis.

NRG-GY018 RUBY AtTEnd DUO-E MITO END-3
Phase III III III III II
N 816 (dMMR: 225 | pMMR 591) 494 (dMMR: 118 | pMMR 376) 551 (dMMR: 125 | pMMR 426) 479* (dMMR: 95 | pMMR 384)
*Excluding Durva + Ola
125 (dMMR: 57 | pMMR 68)
Primary end point PFS in the cohort dMMR and pMMR PFS dMMR → PFS ITT → OS ITT (hierarchically tested) PFS dMMR → PFS ITT → OS ITT (hierarchically tested) PFS ITT (Durva vs. control) PFS ITT
Pts Measurable disease (stage III- IVA) or stage IVB or recurrent EC Primary advanced stage III-IV or first recurrent EC Stage III-IV newly diagnosed or recurrent EC Stage III-IV or
recurrent EC
Stage III–IV or recurrent EC
First line Paclitaxel + carboplatin + pembrolizumab/placebo for 6 cycles (q3w), followed by pembrolizumab/placebo
for up to 14 cycles (q6w)
Paclitaxel + carboplatin + dostarlimab/placebo for 6 cycles (q3w), followed by dostarlimab/placebo
for up to 3 years (q6w)
Paclitaxel + carboplatin + atezolizumab/placebo for 6 cycles (q3w), followed by atezolizumab/placebo
until PD or unacceptable toxicity
Paclitaxel + carboplatin + durvalumab/placebo for 6 cycles (q3w), followed by durvalumab/placebo or durvalumab + olaparib until PD or unacceptable toxicity (q4w) Paclitaxel + carboplatin + avelumab/placebo for 6 cycles (q3w), followed by avelumab/placebo
until PD or unacceptable toxicity (q2w)
Median FUP 12 months in the dMMR cohort and 7.9 months in the pMMR 24.8 months in the dMMR population and 25.4 months in the ITT 26.2 months in the dMMR population and 28.3 months in the ITT 16.4 months in the control arm and 17.1 months in Durva arm 23.3 months for both arms
PFS ITT NR HR 0.64
95% CI:
0.51-0.80
HR 0.74
95% CI:
0.61-0.91
HR 0.71
95% CI:
0.57–0.89
HR 0.78
95% CI:
0.65–0.93
PFS dMMR HR 0.30
95% CI:
0.19-0.48
HR 0.28
95% CI:
0.16-0.50
HR 0.36
95% CI:
0.23-0.57
HR 0.42
95% CI:
0.22–0.80
HR 0.46
95% CI:
0.22-0.94
PFS pMMR HR 0.54
95% CI:
0.41-0.71
HR 0.76
95% CI:
0.59-0.98
HR 0.92
95% CI:
0.73-1.16
HR 0.77
95% CI:
0.60–0.97
HR 1.17
95% CI:
0.65-2.10
OS ITT NR HR 0.69
95% CI:
0.54-0.89
HR 0.82
95% CI:
0.63-1.07
HR 0.77
95% CI:
0.56–1.07
HR 1.13
95% CI:
0.62–2.07
OS dMMR HR 0.55
95% CI:
0.25 - 1.19
HR 0.32
95% CI:
0.17-0.63
HR 0.41
95% CI:
0.22-0.76)
HR 0.34
95% CI:
0.13-0.79
NR
OS pMMR HR 0.79
95% CI:
0.53 - 1.17
HR 0.79
95% CI:
0.60-1.04
HR 1.00
95% CI:
0.74-1.35
HR 0.91
95% CI:
0.64-1.30
NR

Abbreviations: N = Number of patients, PFS = progression-free survival, OS = Overall survival, ITT = Intention to treat, pMMR = mismatch repair–proficient, dMMR = mismatch repair–deficient, pts = patients, q2w = every 2 weeks, q3w = every 3 weeks, q4w = every 4 weeks; q6w = every 6 weeks; w = weeks, HR = Hazard ratio, 95% CI = 95% Confidence interval, FUP = follow-up; NR = not reported; placebo = plb; Durva = Durvalumab; Ola = Olaparib; PD = progressive disease