Breast Cancer

15 targeted drugs for her2-negative breast cancer

Breast cancer can be classified into different subtypes based on the presence or absence of certain receptors, such as hormone receptors (estrogen and progesterone) and human epidermal growth factor receptor 2 (HER2). HER2-negative breast cancers do not overexpress the HER2 protein, and as such, treatments targeting HER2, like trastuzumab (Herceptin), are not effective for…