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EGFR Biomarkers

News and reporting on EGFR biomarkers.

The researchers found that most advanced EGFR-mutant lung cancer patients harbored changes in an average of two to three other oncogenes.

The kit detects 29 mutations in exons 18, 19, 20, and 21, and has a limit of mutation detection at .1 percent in a background of wild-type DNA.

Researchers from France's Gustave Roussy Institute designed EGFR mutation assays for the system, which they showed could be useful for testing in non-small cell lung cancer patients.

The test, miRpredX 31-3p, is a positive theranostic test that quantifies the expression of miR-31-3p in FFPE using RT-qPCR technology. 

The changes include recommendations for first line immunotherapy in patients with high PD-L1 expression, and clarification on use of targeted therapies.

The so-called universal CDx approved by the FDA can gauge alterations across multiple genes associated with response to three lung cancer treatments. 

Clinicians say they are using blood-based tests for patients who can't be biopsied as a way to get test results sooner, but implementing tests smartly and appropriately remains a challenge.

The company will work with USC researchers in a year-long study aimed at assessing the clinical utility of EntroGen's PCR-based liquid biopsy test for EGFR mutations.

The lung cancer test, which can detect 51 EGFR mutations, is the fifth assay for cancer that the Belgian molecular diagnostics firm has CE marked.

In head-to-head studies, a next-generation EGFR inhibitor and an ALK inhibitor beat their older counterparts in staving of cancer progression.  

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NPR reports that vaccine developers are working on SARS-CoV-2 vaccines that are easier to store or administer than the current crop.

Reuters reports that France is to recommend that people under 55 who received one dose of AstraZeneca's SARS-CoV-2 vaccine receive a different vaccine for their second dose.