A Study to Evaluate the Efficacy and Safety of Inavolisib in Combination With Phesgo Versus Placebo in Combination With Phesgo in Participants With PIK3CA-Mutated HER2-Positive Locally Advanced or Metastatic Breast Cancer
Metastatic Breast Cancer
About this trial
This is an interventional treatment trial for Metastatic Breast Cancer
Eligibility Criteria
Inclusion Criteria: Eastern Cooperative Oncology Group (ECOG) Performance Status 0 or 1 Histologically or cytologically confirmed and documented adenocarcinoma of the breast with metastatic or locally advanced disease not amenable to curative resection Confirmation of HER2 biomarker eligibility based on valid results from central testing of tumor tissue documenting HER2-positivity Confirmation of PIK3CA-mutation biomarker eligibility based on valid results from central testing of tumor tissue documenting PIK3CA-mutated tumor status Disease-free interval from completion of adjuvant or neoadjuvant systemic non-hormonal treatment to recurrence of >= 6 months LVEF (left ventricular ejection fraction) of at least 50% measured by echocardiogram (ECHO) or multiple-gated acquisition scan (MUGA) Adequate hematologic and organ function prior to initiation of study treatment Exclusion Criteria: Prior treatment in the locally advanced or metastatic setting with any PI3K, AKT, or mTOR inhibitor or any agent whose mechanism of action is to inhibit the PI3K-AKT-mTOR pathway Any prior systemic non-hormonal anti-cancer therapy for locally advanced or metastatic HER2-positive breast cancer prior to initiation of induction therapy History or active inflammatory bowel disease Disease progression within 6 months of receiving any HER2-targeted therapy Type 2 diabetes requiring ongoing systemic treatment at the time of study entry; or any history of Type 1 diabetes Clinically significant and active liver disease, including severe liver impairment, viral or other hepatitis, current alcohol abuse, or cirrhosis Symptomatic active lung disease, including pneumonitis or interstitial lung disease Any history of leptomeningeal disease or carcinomatous meningitis Serious infection requiring IV antibiotics within 7 days prior to Day 1 of Cycle 1 Any concurrent ocular or intraocular condition that, in the opinion of the investigator, would require medical or surgical intervention during the study period to prevent or treat vision loss that might result from that condition Active inflammatory or infectious conditions in either eye or history of idiopathic or autoimmune-associated uveitis in either eye
Sites / Locations
- Lawrence J. Ellison Institute for Transformative MedicineRecruiting
- Georgetown Uni Hospital; 4-N Main HospitalRecruiting
- Medstar Research InstituteRecruiting
- Dana Farber Cancer InstituteRecruiting
- Hightower ClinicalRecruiting
- Lumi ResearchRecruiting
- Kadlec Clinic Hematology and OncologyRecruiting
- Fundación CENIT para la Investigación en NeurocienciasRecruiting
- Centro Oncologico Korben; OncologyRecruiting
- Instituto de Oncología de RosarioRecruiting
- Kinghorn Cancer Centre; St Vincents HospitalRecruiting
- University of the Sunshine CoastRecruiting
- Sir Charles Gairdner Hospital; Medical OncologyRecruiting
- Hospital do Cancer de Pernambuco - HCPRecruiting
- Hospital do Câncer de LondrinaRecruiting
- Santa Casa de Misericordia de Porto AlegreRecruiting
- Hospital Sao Lucas - PUCRSRecruiting
- Instituto do Cancer do Estado de Sao Paulo - ICESPRecruiting
- Clinica de Pesquisa e Centro de Estudos em Oncologia Ginecologica e Mamaria LtdaRecruiting
- Jewish General HospitalRecruiting
- Hopital du Saint SacrementRecruiting
- Affiliated Hospital of Hebei University; Department of medical oncologyRecruiting
- Beijing Cancer HospitalRecruiting
- The First Hospital of Jilin UniversityRecruiting
- Sichuan Provincial People's HospitalRecruiting
- Fujian Cancer HospitalRecruiting
- The Second Affiliated Hospital of Zhejiang University School of Medicine
- Zhejiang Cancer Hospital; Breast SurgeryRecruiting
- Harbin Medical University Tumor Hospital; Department of Surgery; PharmacyRecruiting
- Shandong Cancer HospitalRecruiting
- The First Affiliated Hospital to Henan University of Science and TechnologyRecruiting
- The Second Affiliated Hospital to Nanchang UniversityRecruiting
- Shantou Center HospitalRecruiting
- Tianjin Cancer Hospital; Department of Breast OncologyRecruiting
- Union Hospital Tongji Medical College Huazhong University of Science and TechnologyRecruiting
- Hubei Cancer HospitalRecruiting
- National Cancer CenterRecruiting
- Seoul National University HospitalRecruiting
- Severance Hospital, Yonsei University Health SystemRecruiting
- Asan Medical CenterRecruiting
- Gangnam Severance HospitalRecruiting
- Samsung Medical CenterRecruiting
- Seoul St Mary's HospitalRecruiting
- National Cancer Centre; Medical OncologyRecruiting
- Limpopo Oncology ClinicRecruiting
- National Taiwan Uni Hospital; General SurgeryRecruiting
Arms of the Study
Arm 1
Arm 2
Arm 3
Other
Experimental
Active Comparator
Induction Therapy: Phesgo plus Taxane-Based Chemotherapy
Maintenance Therapy: Inavolisib plus Phesgo
Maintenance Therapy: Placebo plus Phesgo
Participants will be administered the treatments as outlined in the interventions section.
Participants will be administered the treatments as outlined in the interventions section.
Participants will be administered the treatments as outlined in the interventions section.