ArticleInternational journal of clinical oncology2023
Tumor immune microenvironment and clinical outcomes in stage IV urothelial cancer: YODO study.
Article in International journal of clinical oncology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 2 citations in OpenAlex.
- Perspective on the integration of radiomics and spatial omics in the analysis of the tumor microenvironment of bladder cancer and prospects for precision diagnosis and treatment.Frontiers in immunology · 2026Review
- Integration of bulk and single-cell RNA-seq reveals prognostic gene signatures in patients with bladder cancer treated with immune checkpoint inhibitors.Cancer immunology, immunotherapy : CII · 2024Article
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10 authors at 6 institutions in 1 country.
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Abstract
backgroundBladder cancer is the 10th most common cancer globally, with a growing incidence in Japan. Evaluation of molecular, genetic, and cellular biomarkers that predict treatment response and prognosis in patients with metastatic urothelial carcinoma (mUC) may help optimize sequential treatment strategies with chemotherapy and immune checkpoint inhibitors (ICIs).
methodsThis multicenter, retrospective cohort study, evaluated programmed death-ligand 1 (PD-L1) expression, tumor mutational burden (TMB), and cancer-immune phenotype as predictive prognostic biomarkers following first-/second-line treatment in Japanese adult patients with mUC. The primary endpoint was prevalence of PD-L1 expression. Secondary endpoints were TMB, overall survival (OS), and progression-free survival (PFS) from initiation of first-line treatment, and exploratory endpoints were cancer-immune phenotype, OS, PFS, and treatment response according to potential biomarker status.
resultsOf the 143 patients included (mean age 71.7 years), PD-L1 expression was high in 29.4% of patients. Non-synonymous TMB was high in 33.6% and low in 66.4%. Cancer-immune phenotype was immune-desert in 62.9%, immune-excluded in 30.8%, and inflamed in 6.3%. Median OS and PFS following first-line treatment were 18.2 and 7.4 months, respectively. Overall response to second-line treatment was slightly better with high versus low/negative PD-L1 expression. PD-L1 expression and TMB were non-significant predictors of OS or PFS, whereas immune-excluded phenotype was associated with better OS in comparison with immune-desert phenotype.
conclusionPD-L1 expression and TMB were non-significant predictors of prognosis after first-line treatment in Japanese patients with mUC, but cancer-immune phenotype may be an important prognostic factor in chemotherapy-ICI sequential treatment strategies. Clinical trial registration number UMIN000037727.
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