This clinical trial is focused on studying a treatment for muscle-invasive bladder cancer, a type of cancer that affects the bladder muscle. The study is exploring the use of a combination of medications and therapies to treat this condition. The medications involved in the study include mitomycin, capecitabine, ipilimumab (also known by its code name BMS734016), and nivolumab (also known by its code name BMS936558). These medications are used in different forms, such as solutions for infusion or tablets, and are combined with a treatment method called chemoradiotherapy, which uses both chemotherapy and radiation therapy to target cancer cells.
The purpose of the study is to evaluate the safety and effectiveness of these treatments when used together. Participants in the study will receive either a combination of these medications or nivolumab alone. The study aims to determine how well these treatments work in preserving the bladder while treating the cancer. Throughout the study, participants will undergo regular monitoring to assess their response to the treatment and any side effects they may experience.
The study will take place over a period of time, with participants receiving treatment and follow-up care to monitor their health and the progress of the cancer. The goal is to find a treatment approach that is both safe and effective in managing muscle-invasive bladder cancer, potentially offering a bladder-sparing option for patients. This study is an important step in exploring new ways to treat this type of cancer and improve outcomes for patients.



The Netherlands