Study study type PathologyT1T0Patientssample sizesROB Results

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

versus carboplatin, gemcitabine
atezolizumab based treatment
IMpassion-132 (ITT population), 2024
  NCT03371017
RCTla/mBC - TNBC - L2 - all populationatezolizumab plus SOCplacebo plus SOCPatients with locally advanced/metastatic TNBC recurring ≤12 months after completing standard (neo)adjuvant anthracycline and taxane chemotherapy or surgery in early stage297 / 298low
inconclusive
    no statistically significant result
OS was not improved by adding atezolizumab to chemotherapy for rapidly relapsing PD-L1-positive TNBC
versus carboplatin
atezolizumab based treatment
TBCRC, 2024
  NCT03206203
RCTla/mBC - TNBC - L2 - all populationcarboplatin atezolizumab, 1200 mgcarboplatinclinical stage IV or metastatic invasive TN breast cancer. 0 to 1 prior treatments for metastatic disease, and no prior carboplatin in the metastatic setting or prior immune-oncology treatment were eligible. Patients were not stratified by PD-L1 status.56 / 50high
inconclusive
  • suggested 54 % decrease in deaths (OS)
  • inconclusive 34 % decrease in progression or deaths (PFS) (PE)
versus pegylated liposomal doxorubicin and cyclophosphamide
atezolizumab based treatment
Alice, 2022
  NCT03164993
RCTla/mBC - TNBC - L2 - all populationatezolizumab and pegylated liposomal doxorubicin (PLD) and low-dose cyclophosphamideplacebo and pegylated liposomal doxorubicin (PLD) and low-dose cyclophosphamidepatients with mTNBC, 18 years of age or older, with no more than one prior line of chemotherapy in the metastatic setting. Inclusion of patients both with and without PD-L1 expression in tumors was allowed in this trial42 / 28high
suggested
  • suggested 43 % decrease in progression or deaths (PFS) (PE)
The addition of atezolizumab to PLD/cyclophosphamide was tolerable with an indication of clinical benefit
versus Standard of Care (SoC)
pembrolizumab alone
KEYNOTE-119 (all population), 2019
  NCT02555657
RCTla/mBC - TNBC - L2 - all populationPembrolizumabchemotherapy (single agent)patients with previously treated metastatic triple negative breast cancer (mTNBC)312 / 310some concern
inconclusive
  • inconclusive 3 % decrease in deaths (OS) (PE)
  • statistically significant 60 % increase in progression or deaths (PFS)
  • statistically significant 40 % decrease in DCR
KEYNOTE-119 (all population) DUPLICATE, 2019
  NCT02555657
RCTla/mBC - TNBC - L2 - all populationPembrolizumabChemotherapyEligible participants were aged 18 years or older; had centrally confirmed metastatic triple-negative breast cancer; had received one or two previous systemic treatments for metastatic breast cancer, with documented disease progression on the most recent therapy; had receivedprevious treatment with an anthracycline or a taxane312 / 310low
inconclusive
  • inconclusive 3 % decrease in deaths (OS) (PE)
  • statistically significant 60 % increase in progression or deaths (PFS)
  • statistically significant 57 % decrease in DCR