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 Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

152 participants

Study Classification

OBSERVATIONAL

Study Start Date

2019-10-25

Study Completion Date

2020-03-23

Brief Summary

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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).

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Detailed Description

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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.

Conditions

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Urologic Neoplasms

Study Design

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Observational Model Type

COHORT

Study Time Perspective

CROSS_SECTIONAL

Eligibility Criteria

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Inclusion Criteria

* Age \> 20, Japanese men and women.
* Patients who have started at least 1 cycle of chemotherapy.
* Patients who provided informed consent by appropriate methods. In dead case, optout will be applicable.
* Patients who are diagnosed as stage IV (T4b, any N or any T, N2-3 or M1) UC between January 1st in 2017 and December 31st in 2018.
* Patients who have FFPE primary tumor sample collected after January 1st in 2017. The sample should be collected before any therapies including 1st line treatment in stage IV and therapies in stage III and other stages. It is possible to send sliced undyed section of primary tumor including 1 HE-stained section of same sample in case that patients cannot send FFPE primary tumor block.