190 participants
Testing the Drug Atezolizumab or Placebo With Usual Therapy in First-Line HER2-Positive Metastatic Breast Cancer
- Study Type:
- INTERVENTIONAL
- Last Updated:
- 2026-05-29
- Start Date:
- 2019-04-05
- Completion:
- 2024-04-30
Conditions
- Metastatic Breast Adenocarcinoma
- Metastatic HER2-Positive Breast Carcinoma
- Recurrent Breast Adenocarcinoma
- Recurrent HER2-Positive Breast Carcinoma
- Stage III Breast Cancer AJCC v7
- Stage IV Breast Cancer AJCC v6 and v7
- Unresectable Breast Carcinoma
- Unresectable HER2-Positive Breast Carcinoma
Interventions
- DRUG
- PROCEDURE
- BIOLOGICAL
- OTHER