
Overall Survival May Improve With the Addition of Atezolizumab to T-DM1 for HER2+ Breast Cancer
The addition of atezolizumab to ado-trastuzumab emtansine improved overall survival in patients with previously treated HER2-positive advanced breast cancer compared with T-DM1 alone, according to a second OS analysis of the phase II KATE2 trial presented at the 2019 ESMO Congress.




