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…
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…
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…