Table 3.
Summary of the trials focused on chemotherapies (CT).
Trial | Number of Patients | Population | Prior CDK4/6is | Subsequent CT | Efficacy | PFS (Months) |
---|---|---|---|---|---|---|
1-US study [91] | 525 | Progression on CDK4/6is | Any | Capecitabine or Taxanes (35.6%) | NA | NA |
2-US study [92] | 1210 | Progression on first-line CDK4/6is |
|
NA | NA | 3.71 |
Russian study [144] | 54 | Progression on CDK4/6is |
|
|
|
10.0 |
DESTINY-Breast04 (HR+ cohort) [145] | 494 | Progression on CT or OT | Any (about 70% of pts) | T-DXd vs. TPC (eribulin, capecitabine, nab-paclitaxel, gemcitabine or paclitaxel) | 52.3% T-DXd vs. 16.3% TPC | 10.1 T-DXd vs. 5.4 TPC |
TROPiCS-02 [148] | 543 | Progression after CDK4/6is and at least 2 chemotherapeutic agents (including a taxane) | Any (98% of pts) | SG vs. TPC (eribulin, capecitabine, gemcitabine or vinorelbine) | 21% SG vs. 14% TPC | 5.5 SG vs. 4.0 TPC |
Abbreviation: CT = chemotherapy; OT = ormonal therapy; PR = partial response; SD = stable disease; PFS = progression-free survival; TPC = Treatment of Physician’s Choice; T-DXd = trastuzumab deruxtecan; SG = sacituzumab govitecan.