The purpose of this research study is to determine the effectiveness and safety of envafolimab, an experimental drug that is not approved for use, when given alone or in combination with ipilimumab to stimulate your immune system to attack cancer cells. Envafolimab is an experimental (investigational) cancer drug that overrides the PD-1/PD-L1 checkpoint,…
This research study is a phase II clinical trial. Phase II clinical trials test the safety and effectiveness of an investigational treatment to learn whether the intervention works in treating a specific disease. Investigational means that the intervention is being studied. The Food and Drug Administration (FDA) has approved Nivolumab as treatment for…