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Brief Title: Real World Evidence of PD-L1, TMB Prevalence and Efficacy of 1st Line Chemotherapy in These High or Low Population for Stage IV Urothelial Cancer
Official Title: Real World Evidence of PD-L1, TMB Prevalence and Efficacy of 1st Line Chemotherapy in These High or Low Population for Stage IV Urothelial Cancer
Study ID: NCT04052113
Brief Summary: This study is a multi-center, non-interventional study. Patients' background, treatment pattern, treatment outcome, efficacy will be collected from medical records in Stage IV urotherial (UC) patients. Archived patient's formalin-fixed paraffin-embedded (FFPE) primary tumor samples will be collected to assay PD-L1 expression and next generation sequencer (NGS) assay for tumor mutation burden (TMB).
Detailed Description: This study is a multi-center, non-interventional study. Patients' background, treatment pattern, treatment outcome, efficacy will be collected from medical records in Stage IV urotherial (UC) patients. Archived patient's formalin-fixed paraffin-embedded (FFPE) primary tumor samples will be collected from each site and conduct programmed cell death 1 ligand 1 (PD-L1) assay and next generation sequencer (NGS) assay for tumor mutation burden (TMB). Based on these data, prevalence of PD-L1, TMB and overall survival (OS), progression free survival (PFS) from start of 1st line treatment in stage IV will be assessed. In this study, 150 patients will be enrolled from approximately 30 sites in Japan. The patients should have received at least 1 cycle of chemotherapy and never receive immune oncology drug as 1st line treatment in stage IV. The patients will be enrolled continuously from the 1st patient who is enrolled in this study until target number of patients in each site.
Minimum Age:
Eligible Ages: CHILD, ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Research Site, Kyoto-shi, , Japan