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,…
There are two study questions we are asking in this randomized phase II/III trial based on a blood biomarker, Epstein Barr virus (EBV) deoxyribonucleic acid (DNA) for locoregionally advanced non-metastatic nasopharyngeal cancer. All patients will first undergo standard concurrent chemotherapy and radiation therapy. When this…