Monthly Archives: August 2020

ESR1 Mutation as a Prediction Marker for 1st-line AI plus CDK4/6 Inhibitor in HR+ Breast Cancer Patients

ESR1 mutations have been reported that will contribute to the resistance of the aromatase inhibitor (AI) in HR+ breast cancer patients in several past studies. However, the role of ESR1 mutation remains unknown when the AI is combined with the CDK4/6 inhibitors. In phase 3 PADA-1 study, 33 of the 1017 enrolled patients (3.2%) harbored an ESR1 mutation before receiving the 1st-line AI plus palbociclib.

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A new IDH1/2 inhibitor for mutated IDH1/2 low-grade glioma

Brain tumors are rare but difficult to manage. Glioma is the most common type of tumor in the brain that begins in glial cells. IDH1/2 genes are important genes in both glioma classification and targeted therapy treatment. Adult diffuse gliomas of grade II and III are classified as low-grade gliomas based on the histology and molecular biomarkers by the 2016 World Health Organization (WHO) classification.

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