Peerview Oncology & Hematology Cme/cne/cpe Audio Podcast

Go online to PeerView.com/DFJ860 to view the activity, download slides and practice aids, and complete the post-test to earn credit. Breast cancer is a heterogeneous disease comprising different subtypes, with estrogen receptor positive (ER+) being the most common subtype. Endocrine therapy (ET) is the primary treatment in ER+ breast cancer, which includes different strategies that directly or indirectly modify estrogen production. CDK4 and 6 inhibition as well as PI3K inhibition have improved outcomes in these patients, but most still develop endocrine resistance. ESR1 gene mutations, somatic alterations, microenvironmental factors, and epigenetic changes have all been implicated as underlying mechanisms promoting resistance. Novel ER-targeting agents such as oral selective estrogen receptor degraders (SERDs) are showing therapeutic promise in the face of ET resistance. In addition, other agents are being evaluated in ER+ disease, including selective estrogen receptor modifiers (SERMs), SERM/SERD hybrids, se