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HER2 Biomarkers

News and reporting on HER2 biomarkers.

The data add to growing evidence supporting the use of HER2 therapy across solid tumors, though researchers find a difficult path to a tissue-agnostic approval.

A collection of biomarker- and genomic testing-driven precision oncology research presented at the European Society of Medical Oncology Congress.

Two studies showed that the addition of abemaciclib or ribociclib to fulvestrant improved overall survival in HR-positive, HER2-negative breast cancer patients.

An IASLC survey showed that molecular testing is not performed in line with expert guidelines, which means only a minority of lung cancer patients are benefitting from precision oncology.

Researchers studied isolated CTCs along with real-world patient data and found that patients with blood-borne HER2 mutations may respond to anti-HER2 treatment.

Meeting presentations supported tweaking the clinical interpretation of Genomic Health's Oncotype DX and bolstered Biotheranostics' Breast Cancer Index.

News on molecular markers used to guide cancer treatment, assess prognosis, or detect relapse.

Studies presented at the AACR meeting demonstrated how the registry can be used to evaluate how cancer patients with rare tumor markers respond to treatments.

Based on the findings, MD Anderson is already using HER2 status to recommend patients for clinical trials instead of EGFR drugs and authors recommend others follow suit.

The researchers also reported that combining an ER-directed therapy with an irreversible HER2 kinase inhibitor could overcome resistance.

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