Perioperative Durvalumab With Neoadjuvant ddMVAC or Gemcitabine/Cisplatin in Patients With Muscle-invasive Bladder Cancer (NIAGARA-2)

The Phase IIIb NIAGARA-2 study aims to expand on the data from the Phase III NIAGARA study by investigating perioperative durvalumab in combination with investigator-selected cisplatin-based neoadjuvant chemotherapy (either ddMVAC or gemcitabine/cisplatin) in a clinical practice setting.

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Inclusion Criteria: * Participants with clinical tumour stage T2-T4aN0/1M0 or T1N1M0 with transitional or mixed transitional cell histology * Patients must be planning to undergo radical cystectomy * Patients who have not received prior systemic chemotherapy or immunotherapy for treatment of muscle-invasive bladder cancer * ECOG performance status of 0 or 1 * Minimum life expectancy of 12 weeks at first dose of study medication Exclusion criteria: * Evidence of lymph node (N2-N3) or metastatic (M1) disease * Inoperable tumour(s) with fixation to the pelvic wall on clinical examination * Prior exposure to immune-mediated therapy including, but not limited to, other anti CTLA-4, anti-PD 1, anti-PD L1 and anti-PD-L2 antibodies, excluding Bacillus Calmette-Guérin * Current or prior use of immunosuppressive medication within 14 days before the first dose of durvalumab * Any concomitant medication known to be contraindicated to the chemotherapy (ddMVAC or gem/cis). * Uncontrolled intercurrent illness.