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Phase III Trial of Concurrent Chemoradiotherapy with or without Atezolizumab (PSCI# 19-044)
The purpose of this study is to compare the effects, good and/or bad, of chemotherapy and radiation therapy with or without the use of atezolizumab, which is used to treat bladder cancer. The combination of chemotherapy, radiation therapy and the immunotherapy atezolizumab is considered experimental.
The purpose of this study is to compare the effects, good and/or bad, of chemotherapy and radiation therapy with or without the use of atezolizumab, which is used to treat bladder cancer. The combination of chemotherapy, radiation therapy and the immunotherapy atezolizumab is considered experimental.If you decide to take part in this study, you will receive combined chemotherapy and radiation therapy which is called “chemoradiotherapy” either with or without the study drug. The chemoradiotherapy you will receive is standard of care and what your doctor thinks is best. You will receive chemoradiotherapy for up to 7 weeks. If you are assigned to the group receiving study drug, you will take the drug for up to 6 months in addition the chemoradiotherapy.Your doctor will continue to follow your condition for up to 5 years after you register to the study, even though you have finished treatment in the first year. Your doctor will watch you for side effects and to see how your cancer affects you. You will have clinic visits at 3 months from the time you stop taking treatment for the first two years and then twice a year for the third year and once a year thereafter until 5 years after you register to the study
Patients must undergo radiological staging within 70 days prior to randomization. Imaging of chest, abdomen, and pelvis must be performed using CT or MRI. Patients must not have evidence of T4bN1-3 disease.
Patients with hydronephrosis are eligible if they have unilateral hydronephrosis and kidney function meets criteria specified.
Female patients of childbearing potential must have a serum pregnancy test prior to randomization.
Patients must be ≥ 18 years of age.
Patients must not have received prior treatment for muscle invasive bladder cancer including neoadjuvant chemotherapy for the current tumor.
Patients must not have a major surgical procedure within 28 days prior to randomization.
Patients must not have undergone prior allogeneic bone marrow transplantation or prior solid organ transplantation.
Patients must have adequate bone marrow function as evidenced by all of the following: ANC ≥ 1,500/microliter (mcL); platelets ≥ 100,000/mcL; Hemoglobin ≥ 9 g/dL. These results must be obtained within 28 days prior to randomization.