Durvalumab+ Gemcitabine/Cisplatin (Neoadjuvant Treatment) and Durvalumab (Adjuvant Treatment) in Patients With MIBC

Inclusion:

* Patient resectable muscle-invasive bladder cancer with clinical stage T2-T4aN0/1M0 with transitional and mixed transitional cell histology
* Patients must be planning to undergo a radical cystectomy
* Patients who have not received prior systemic chemotherapy or immunotherapy for treatment of MIBC
* ECOG performance status of 0 or 1
* Must have a life expectancy of at least 12 weeks at randomization

Exclusion:

* Evidence of lymph node (N2-N3) or metastatic (M1) disease at time of screening.
* Prior pelvic radiotherapy treatment within 2 years of randomization to study
* Prior exposure to immune-mediated therapy (with exclusion of Bacillus-Calmette Guerin \[BCG\]), including but not limited to other anti-CTLA-4, anti-PD-1, anti PD-L1, or anti-PD-L2 antibodies.
* Current or prior use of immunosuppressive medication within 14 days before the first dose of investigational product (IP). The following are exceptions to this criterion: Intranasal, inhaled, topical steroids, or local steroid injections (eg, intra articular injection); Systemic corticosteroids at physiologic doses not to exceed 10 mg/day of prednisone or its equivalent; Steroids as premedication for hypersensitivity reactions (eg, CT scan premedication)
* Receipt of live attenuated vaccine within 30 days prior to the first dose of IP.
* Uncontrolled intercurrent illness
* Active infection including Tuberculosis, Hepatitis B, Hepatitis C, and Human Immunodeficiency