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Clinical Trial Summary

Background: Metastatic urothelial carcinoma is lethal and has no cure. Response rates to current treatments are modest. Researchers want to find new strategies to treat the disease. In this study, they will test a drug called Bintrafusp alfa (M7824). The drug is a new immunotherapy that blocks the pathways that cancer cells use to stop the immune system from fighting cancer. Objective: To learn if M7824 can help the immune system's ability to fight urothelial cancer. Eligibility: People age 18 and older who have urothelial cancer that has spread to other parts of their body and they have been previously treated with chemotherapy or immunotherapy Design: Participants will be screened with a medical history and physical exam. They will have blood and urine tests. They will have imaging scans. They will have an electrocardiogram to measure heart function. Their ability to perform their normal activities will be evaluated. They may have a tumor biopsy. They will take a pregnancy test if needed. Participants will repeat some of the screening tests during the study. Treatment will be given in a series of 28-day cycles. Participants will get M7824 once every 2 weeks. It is given through an intravenous infusion. For this, a small plastic tube is put into an arm vein. They will get M7824 until their disease gets worse, they have unacceptable side effects, or they decide to stop treatment. Participants will have a follow-up visit 30 days after treatment ends. Then they will be followed every 12 weeks in the clinic or by telephone/email. Follow-up will last indefinitely.


Clinical Trial Description

Background: - Metastatic urothelial carcinoma is lethal and incurable with a median overall survival of 14 months from diagnosis. - Immune checkpoint inhibitors targeting the Programmed death-1 (PD-1)/programmed death-ligand 1 (PD-L1) pathway have greatly changed clinical management of metastatic urothelial carcinoma (mUC) improving survival by 3 months in the second-line setting. - Five PD-1/PD-L1 inhibitors are Food and Drug Administration (FDA)-approved for for second-line metastatic urothelial carcinoma (mUC), two agents for first-line cisplatin-ineligible mUC. However, response rates are modest, ranging from15-20% in the second-line and 24% in the first-line cisplatin-ineligible. - Therefore, novel strategies are needed to extend benefit of immunotherapy to the remaining approximately 75% of non-responders. - Higher levels of transforming growth factor-beta (TGF-beta) are associated with immune escape, therapy resistance and poor outcomes in advanced malignancies. Non-responders to anti-PD-1/PD-L1 antibodies have also been found to have increased TGF-beta in the tumor microenvironment. - Bintrafusp alfa (M7824) is a novel first-in-class bifunctional fusion protein composed of a monoclonal antibody against PD-L1 fused to the extracellular domain of human TGF-beta receptor II (TGFbetaRII), which effectively functions to sequester or "trap" all three TGF-beta isoforms. A phase I study of M7824 (NCT02517398) demonstrated a manageable safety profile and clinical efficacy among patients with heavily pre-treated advanced solid tumors. - We hypothesize that M7824 is safe and improves outcomes in patients with checkpoint naive or refractory urothelial carcinoma. Objectives: -To evaluate the activity of M7824 as determined by objective response rate (ORR) in two metastatic urothelial carcinoma cohorts: - Cohort 1: Checkpoint inhibitor naive - Cohort 1A: cisplatin ineligible - Cohort 1B: refractory post-platinum therapy - Cohort 2: Checkpoint inhibitor previously treated patients - Cohort 2A: previously achieved a Complete Response (CR)/Partial Response (PR) - Cohort 2B: previously had Stable Disease (SD)/Progressive Disease (PD) Eligibility: - Patients must have a histologically confirmed diagnosis of metastatic urothelial cancer. - Patients may have been previously treated with prior cytotoxic chemotherapy regimen or targeted agent. Patients may have received any number of prior cytotoxic agents. - 18 years of age or older Design: - This is an open label, non-randomized, single arm phase II trial of M7824 in checkpoint inhibitor naive and previously treated patients with urothelial carcinoma of the bladder. - M7824 (intravenous 1200 mg fixed dose) will be delivered every 2 weeks - Patients will receive treatment in cycles consisting of 4 weeks. - A maximum of 75 subjects will be enrolled in this trial. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04501094
Study type Interventional
Source National Institutes of Health Clinical Center (CC)
Contact
Status Terminated
Phase Phase 2
Start date October 26, 2020
Completion date October 13, 2021

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