This purpose of this study is to understand the interaction between two different medications, tacrolimus and Paxlovid (nirmatrelvir/ritonavir), in patients who have had a kidney transplant and are being treated by their doctor for COVID-19 infection. Tacrolimus is an oral medication that is used standardly in kidney transplant recipients to prevent…
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 trial is designed to study the safety and effectiveness of combining the study drug, Natalizumab (Tysabri) with the standard treatment, the use of steroids, as a new treatment for acute graft versus host disease (acute GVHD). GVHD is the most common serious complication, after bone marrow transplant. GVHD occurs when the donor cells (the graft…