| Title: | Trastuzumab and Trastuzumab-MCC-DM1 Administered Intravenously and GDC-0941 Administered Orally to Patients With HER2-Positive Metastatic Breast Cancer Who Have Progressed on Previous Trastuzumab-Based Therapy ![]() |
| Status: | Recruiting participants |
| Conditions: | Metastatic Breast Cancer |
| Interventions: | Drug: GDC-0941; Drug: trastuzumab-MCC-DM1; Drug: Trastuzumab |
| Health Topics: | Breast Cancer |