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

es-BC - TNBC - NA - all population breast cancer - triple negative es-BC - Triple negatif (TNBC) - (neo)adjuvant (NA) es-BC - TNBC - NA - all population

versus placebo
pembrolizumab alone
KEYNOTE-522, 2020
  NCT03036488
RCTes-BC - TNBC - NA - all populationpembrolizumabplacebopreviously previously untreated, nonmetastatic disease, stage II or stage III, triple-negative breast cancer treated with paclitaxel and carboplatin, treated for neoadjuvant phase and an adjuvant phase;784 / 390low
conclusif

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%

mBC - TNBC - L1 - PDL1 positive breast cancer - triple negative mBC - Triple negative (TNBC) - 1st Line (L1) mBC - TNBC - L1 - PDL1 positive

versus placebo plus SoC
pembrolizumab plus SoC
KEYNOTE-355 (CPS>1), 2020
  NCT02819518
RCTmBC - TNBC - L1 - PDL1 positivePembrolizumab plus chemotherapyplacebo plus chemotherapypatients with with untreated locally recurrent inoperable or metastatic triple-negative breast cancer (PDL1 CPS>1)425 / 211low
suggested -14% -25%
KEYNOTE-355 (CPS>10), 2020
  NCT02819518
RCTmBC - TNBC - L1 - PDL1 positivePembrolizumab plus chemotherapyplacebo plus chemotherapypatients with with untreated locally recurrent inoperable or metastatic triple-negative breast cancer (PDL1 CPS>10)220 / 103low
conclusif demonstrated-27% demonstrated-34%

mBC - TNBC - L2 - all population breast cancer - triple negative mBC-Triple negative (TNBC) - 2nd Line (L2) mBC - TNBC - L2 - all population

versus Standard of Care (SoC)
pembrolizumab alone
KEYNOTE-119 (all population), 2019
  NCT02555657
RCTmBC - TNBC - L2 - all populationPembrolizumabchemotherapy (single agent)patients with previously treated metastatic triple negative breast cancer (mTNBC)312 / 310some concern
inconclusive -3% 60%

mBC - TNBC - L2 - PDL1 positive breast cancer - triple negative mBC-Triple negative (TNBC) - 2nd Line (L2) mBC - TNBC - L2 - PDL1 positive

versus Standard of Care (SoC)
pembrolizumab alone
KEYNOTE-119 (PDL1 CPS>10), 2019
  NCT02555657
RCTmBC - TNBC - L2 - PDL1 positivePembrolizumabchemotherapy (single agent)patients with previously treated metastatic triple negative breast cancer (mTNBC) patients with PDL1 CPS> 10 only96 / 98some concern
inconclusive -22% 14%
KEYNOTE-119 (PDL1 CPS>1), 2019
  NCT02555657
RCTmBC - TNBC - L2 - PDL1 positivePembrolizumabchemotherapy (single agent)patients with previously treated metastatic triple negative breast cancer (mTNBC) patients with PDL1 CPS> 1 only203 / 202some concern
inconclusive -14% 35%