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PD-L1 Biomarkers

News and reporting on PD-L1 biomarkers.

Two KEYNOTE studies showed TMB may have some utility in determining which NSCLC patients should get pembrolizumab, while three others showed no utility.

Results from the CheckMate-227 trial provided evidence for the use of nivolumab and ipilimumab in combination, while the FLAURA study focused on osimertinib.

The drugmaker will present data from the Impower110 trial at an upcoming meeting and submit the data to regulatory authorities.

Although the FDA has already approved the regimen in this indication after seeing its impact on progression-free survival, the latest data speaks to its impact on survival. 

The cancer immunotherapy regimen and companion diagnostic test will be available in Europe for patients with triple-negative breast cancer who express PD-L1. 

The diagnostic can now be used to identify patients with esophageal squamous cell carcinoma who may benefit from first-line treatment with Keytruda.

CHMP endorsed the immunotherapy combination for women in Europe with triple-negative, advanced cancers based on results from a Phase III trial reported last December.

The diagnostic can now be used to identify patients with head and neck squamous cell carcinoma who may benefit from first-line treatment with Keytruda.

In the studies, the Merck immunotherapy extended survival for advanced lung cancer and stomach cancer patients with high PD-L1 expression.

The companies are using Strata's biomarker technology to identify genomic subpopulations of cancer patients who respond to Arcus' investigational immunotherapy drug.

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