Study study type PathologyT1T0Patientssample sizesROB Results

es-BC - HER2 positive - (neo)adjuvant (NA) breast cancer - HER2-positive es-BC - HER2 positive - (neo)adjuvant (NA)

versus paclitaxel followed by doxorubicin plus cyclophosphamide, pertuzumab plus trastuzumab, placebo
paclitaxel followed by doxorubicin plus cyclophosphamide
IMpassion-050, 2022
  NCT03726879
RCTes-BC - HER2 positive - (neo)adjuvant (NA)Atezolizumab plus SOCPlacebo plus SOCPatients ≥ 18 years old with a primary tumor of > 2 cm, positive lymph node status and histologically confirmed Early Her2-Positive Breast Cancer226 / 228low
inconclusive
  • inconclusive 1 % decrease in pCR (PE)
  • inconclusive 33 % decrease in pCR (PE)
Atezolizumab with neoadjuvant dose-dense doxorubicin/cyclophosphamide–paclitaxel and PH for high-risk, HER2-positive early breast cancer did not increase pCR rates versus placebo in the ITT or PD-L1–positive populations