Study study type PathologyT1T0Patientssample sizesROB Results deaths (OS) Eprogression or deaths (PFS) ERFS/DFS E

mBC - TNBC - L1 - all population breast cancer - triple negative mBC - Triple negative (TNBC) - 1st Line (L1) mBC - TNBC - L1 - all population

versus placebo plus SoC
pembrolizumab plus SoC
KEYNOTE-355 (all population), 2020
  NCT02819518
RCTmBC - TNBC - L1 - all populationPembrolizumab plus chemotherapyplacebo plus chemotherapypatients with with untreated locally recurrent inoperable or metastatic triple-negative breast cancer (all population)566 / 281low
inconclusive -11% -18%
versus Standard of Care (SoC)
atezolizumab plus nab-paclitaxel
IMpassion-130 (all population), 2018
  NCT02425891
RCTmBC - TNBC - L1 - all populationatezolizumab plus nab-paclitaxelplacebo plus nab-paclitaxelpatients with untreated metastatic triple-negative breast cancer (TNBC) treated with nab-paclitaxel451 / 451low
conclusif -14% demonstrated-20%
atezolizumab plus paclitaxel
IMpassion-131 (all population), 2020
  NCT03125902
RCTmBC - TNBC - L1 - all populationAtezolizumab plus paclitaxelplacebo plus paclitaxelPatients had metastatic or unresectable locally advanced measurable TNBC, had received no prior chemotherapy or targeted therapy for aTNBC and had completed any prior (neo)adjuvant chemotherapy for early breast cancer 12 months before being randomised to the trial.431 / 220NA
inconclusive 12% -14%