The Purpose of This Study is to Evaluate the Efficacy and Safety of Inavolisib in Combination With Phesgo Versus Placebo in Combination With Phesgo as Maintenance Therapy After First Line Induction Therapy in Participants With PIK3CA-Mutated HER2-Positive Locally Advanced or Metastatic Breast Cancer
Condition:   Metastatic Breast Cancer Interventions:   Drug: Inavolisib;   Drug: Phesgo;   Drug: Placebo;   Drug: Taxane-based Chemotherapy;   Drug: Optional Endocrine Therapy of Investigator's Choice Sponsor:   Hoffmann-La Roche Not yet recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - June 8, 2023 Category: Research Source Type: clinical trials