oncnursingnews.com
For patients with locally advanced or metastatic estrogen receptor (ER)–positive, HER2-negative breast cancer, the recommended frontline standard of care is endocrine therapy, with either aromatase inhibitors or fulvestrant (Faslodex), plus a CDK4/6 inhibitor.1 However, when the disease begins to progress, the cancer becomes endocrine resistant.1 This is usually accompanied by acquired mutations across a number of genes, including ERBB2, NF1, and ESR1.1 For patients who develop an ESR1 mutation…
almost 2 years ago