Phase I/II Study of Naxitamab and Sacituzumab Govitecan in Patients With Metastatic Triple-negative Breast Cancer (TNBC)
This phase I/II trial tests the safety, best dose, and effectiveness of naxitamab in combination with sacituzumab govitecan in treating patients with triple-negative breast cancer (TNBC) that has spread from where it first started (primary site) to other places in the body (metastatic).
• Male and female participants aged 18 years or older and able to understand and give written informed consent
• Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1 (for the phase I portion of the study) and ECOG performance status of 0-2 (for the phase II portion of the study)
• Life expectancy of at least 3 months
• Histologically confirmed metastatic TNBC. (Estrogen receptor \[ER\] ≤10%; Progesterone receptor \[PgR\] ≤10%, HER2-negative as per ASCO/CAP guidelines)
• Willingness to provide archival tumor tissue for correlative studies associated with this trial.
• Received at least 1 prior line of systemic chemotherapy for metastatic TNBC and/or meet criteria to receive sacituzumab govitecan as standard of care
• Measurable disease by CT or MRI as per RECIST Version 1.1 criteria
• Adequate organ and marrow function as defined below: