Overview
This trial is a Phase II study. The purpose of this study is to evaluate the efficacy, safety, and pharmacokinetics of AK117/AK112 administered with chemotherapy in participants with locally advanced or metastatic triple-negative breast cancer (TNBC) who have not received prior systemic therapy for metastatic breast cancer (mBC).
Eligibility
Inclusion Criteria:
- Metastatic or locally advanced, histologically documented TNBC characterized by absence of human epidermal growth factor 2 (HER2), estrogen receptor (ER), and progesterone receptor (PR) expression
- No prior chemotherapy or targeted systemic therapy for inoperable locally advanced or metastatic TNBC
- Eligible for taxane monotherapy
- A representative formalin-fixed, paraffin-embedded tumor specimen in paraffin blocks, or at least 5 unstained slides with an associated pathology report documenting ER, PR, and HER2 negativity.
- Eastern Cooperative Oncology Group performance status of 0 or 1
- Measurable disease as defined by RECIST v1.1
- Adequate hematologic and end-organ function
Exclusion Criteria:
- Known central nervous system (CNS) disease, except for asymptomatic CNS metastases
- Leptomeningeal disease
- Pregnancy or lactation
- History of autoimmune disease
- Prior allogeneic stem cell or solid organ transplantation
- Positive test for human immunodeficiency virus
- Active hepatitis B or hepatitis C
- Receipt of a live, attenuated vaccine within 30 days prior to randomization, during treatment