Saci-IO TNBC: Randomized Phase II Study of Sacituzumab Govitecan With or Without Pembrolizumab in PD-L1-negative Metastatic Triple Negative Breast Cancer (TNBC)

This research study is a Phase II clinical trial. Phase II clinical trials test the safety and effectiveness of an investigational drug or a combination of investigational drugs to learn whether the drug or drug combination works in treating a specific disease. "Investigational" means that the drug or drug combination is being studied. The U.S. Food and Drug Administration (FDA) has approved Sacituzumab Govitecan for metastatic triple-negative breast cancer, but it is currently approved only for patients who have had 2 or more prior regimens for metastatic disease. The U.S. Food and Drug Admi…