atezolizumab plus paclitaxel (n=1101) vs. paclitaxel followed by doxorubicin plus cyclophosphamide (n=1098)
randomized controlled trial
atezolizumab plus chemotherapy
atezolizumab 840 mg every 2 weeks followed by maintenance atezolizumab 1200 mg every 3 weeks until completion of 1 year of atezolizumab plus chemotherapy
chemotherapy
weekly paclitaxel 80 mg/m2 for 12 weeks followed by dose dense anthracycline (epirubicin 90 mg/m2 or doxorubicin 60 mg/m2) and cyclophosphamide 600 mg/m2 for 4 doses every 2 weeks