This clinical trial is focused on studying a type of bladder cancer known as muscle-invasive bladder cancer. The trial is investigating the use of a treatment called Durvalumab, which is also known by its code name MEDI4736. Durvalumab is a medication that is given as a solution through an infusion, which means it is administered directly into the bloodstream. The purpose of the study is to determine if adding Durvalumab after standard treatment can improve the time patients remain free from cancer.
Participants in the study will have already completed a standard treatment approach called trimodality therapy, which includes surgery, chemotherapy, and radiation therapy. After this initial treatment, participants will be randomly assigned to receive either Durvalumab or no additional treatment, which is referred to as surveillance. The study will monitor participants over time to see if Durvalumab helps in preventing the return of cancer or the development of new cancer.
The study aims to assess the effectiveness of Durvalumab in improving outcomes for patients with muscle-invasive bladder cancer. It will also look at other factors such as the control of cancer in the bladder area, overall survival rates, and the impact on quality of life. The trial is expected to continue until early 2026, with participants being closely followed throughout the study period.



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