A Phase 1a/1b Study of an Anti-IDO-1 Agent (LY3381916) Administered Alone or in Combination With Anti- PD-L1 Checkpoint Antibody (LY3300054) in Solid Tumors
The purpose of this study is to evaluate the safety of the study drug LY3381916 administered alone or in combination with anti-programmed cell death ligand 1 (PD-L1) checkpoint antibody (LY3300054).
• Dose escalation phase: Participant must have histological or cytological evidence of a diagnosis of cancer that is advanced and/or metastatic.
• Dose expansion B1: Metastatic TNBC participants who have not received prior PD-1/L1 treatment.
• Dose expansion B2: Metastatic NSCLC participants who have progressed on prior PD-L1/L1 treatment.
• Dose expansion B3: Metastatic clear cell carcinoma RCC who have progressed on prior PD-L1/L1 treatment.
• Have adequate organ function.
• Have a performance status (PS) of ≤1 on the Eastern Cooperative Oncology Group (ECOG) scale.
• Are able and willing to provide required, newly acquired tumor biopsies.
• Have discontinued previous treatments for cancer.
• Are able to swallow capsules.