Review Article

Triple-Negative Breast Cancer Treatment Advancements: A Review of Evolving Strategies

Table 2

Key results of the TNBC trial [24].

TrialPhaseDrugKey result

IMpassion130 [25]3Nab-paclitaxel + atezolizumabPFS: 7.2 vs 5.5 mo HR = 0.80 (0.69–0.92)
Nab-paclitaxel + placeboOS: 21.0 vs 18.7 mo HR = 0.87 (0.725–1.02)
PD-L1+: OS 25.4 vs 19.7 mo HR = 0.69 (0.54–0.88)
PFS: 7.5 vs 5.3 mo HR = 0.63 (0.50–0.80)

IMpassion131 [26]3Paclitaxel + atezolizumabITT: PFS: 5.7 vs 5.6 mo HR = 0.86
Paclitaxel + placebo(0.70–1.05) OS: 19.2 vs 22.8 mo
HR = 1.12 (0.88–1.43)
PD-L1+: PFS: 6.0 vs 5.7 mo
HR = 0.82 (0.60–1.12)
OS: 22.1 vs 28.3 mo HR = 1.11 (0.76–1.64)

KEYNOTE-119 [23]3PembrolizumabOS: 9.9 vs 10.8 mo HR = 0.97 (0.82–1.15)
Physician’s chemotherapy choicePFS: 2.1 vs 3.3 mo HR = 1.60 (1.33–1.92)
CPS >10: OS: 12.7 vs 11.6 mo HR = 0.78 (0.57–1.06)
PFS: 2.1 vs 4.3 mo HR = 1.14 (0.82–1.59)

KEYNOTE-355 [27]3Nab-paclitaxel/paclitaxel/gemcitabine/carboplatin + pembrolizumabPFS: 7.5 vs 5.6 mo HR = 0.82 (0.69–0.97)
CPS ≥10: PFS: 9.7 vs 5.6 mo HR = 0.66 (0.50–0.88)
OS: 23 vs 16.1 mo HR = 0.73 (0.55–0.95)
CPS ≥1: PFS: 7.6 vs 5.6 mo HR = 0.75 (0.62–0.91)

KEYNOTE-522 [28]3Carboplatin + paclitaxel + 4xAC + pembrolizumab ->pembrolizumab in adjuvantpCR: 64.8 vs 51.2%
PD-L1+: pCR 68.9 vs 54.9% events: 15.7 vs 23.8%
Carboplatin + paclitaxel + 4xAC + placebo -> placebo in adjuvantHR = 0.63 (0.48–0.82)