Background: Cholangiocarcinoma (CCA) is an aggressive cancer of the bile ducts. People with CCA have few treatment options and poor survival. Researchers want to see if a new drug can stop or slow CCA growth.

Summary: To learn if giving tivozanib in combination with nivolumab can help to control advanced nccRCC.

Summary: This phase III trial compares the effect of adding tivozanib to standard therapy pembrolizumab versus pembrolizumab alone for the treatment of patients with high-risk renal cell carcinoma (RCC). Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Tivozanib is in a...

Summary: The purpose of this observational study is to assess the role of plasma concentration monitoring of treatment drugs for patients with metastatic renal cell carcinoma (mRCC) in terms of efficacy and side effects. It furthermore holds microbiome characterization of CPI-treated patients. Furthermore, the investigators examines the role of anti-drug antibodies and receptor polymorphisms in CTLA-4 and ...

Summary: This research is being done to study the safety and feasibility of implanting and retrieving a microdevice that releases microdoses of 19 specific drugs or drug combinations as a possible tool to evaluate the effectiveness of several cancer drugs against metastatic renal cell carcinoma (RCC). The name of the intervention(s) involved in this study are: * Implantable Microdevice (IMD) * Surgery (exc...