Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Bladder Cancer Exhibiting High Immune Infiltration Shows the Lowest Response Rate to Immune Checkpoint Inhibitors

Shen Pan, Yunhong Zhan, Xiaonan Chen, Bin Wu, Bitian Liu

Frontiers in Oncology · 2019

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Summary

This computational study interrogated the paradoxical relationship between high immune infiltration in bladder cancer and poor response to immune checkpoint inhibitors. Using gene expression analysis linked to clinical trial data, the authors identified five genes whose elevated expression correlated with reduced IMCI efficacy, suggesting that baseline immune microenvironment composition may be a negative predictor of checkpoint inhibitor benefit.

UK applicability

This finding is directly applicable to UK oncology practice, where immune checkpoint inhibitors are routinely used for advanced bladder cancer. The identified gene signatures could inform treatment selection and patient stratification in NHS urological oncology services.

Key measures

Immune cell infiltration levels (estimated by single-sample gene set enrichment analysis); response rates to programmed cell death ligand-1 inhibitors from IMvigor 210 trial; expression levels of five predictive genes

Outcomes reported

The study examined the relationship between immune cell infiltration levels (ICILs) and response rates to immune checkpoint inhibitors (IMCIs) in bladder urothelial cancer patients. Five key genes were identified that could predict ICILs and potentially forecast reduced IMCI treatment response.

Theme
General food systems / other
Subject
Other / interdisciplinary
Study type
Research
Study design
Computational analysis combining gene expression data with clinical trial outcomes
Source type
Peer-reviewed study
Status
Published
System type
Human clinical
DOI
10.3389/fonc.2019.01101
Catalogue ID
SNmoh0ds1j-8uql84

Topic tags

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