Trial
NCT03199885
Testing the Drug Atezolizumab or Placebo With Usual Therapy in First-Line HER2-Positive Metastatic Breast Cancer
Phase IIITERMINATEDOPERATIONALConfidence: HIGH
Sponsor
National Cancer Institute (NCI)
Collaborators
NRG Oncology
Condition
Metastatic Breast Adenocarcinoma
Intervention
Atezolizumab
Why stopped
Inadequate accrual rate
Provenance
Dataset: 2026-07-02 • Source: ClinicalTrials.gov API v2 • Last update: 2026-05-29