Conference Proceedings

eMonarcHER: A phase 3 study of abemaciclib plus standard adjuvant endocrine therapy in patients with HR , HER2 , node-positive, high-risk early breast cancer.

Sara M Tolaney, Lesley Fallowfield, Peter A Kaufman, Eva M Ciruelos, Mary Corona Gainford, Yi Lu, Karla Hurt, Heather Ann Wasserstrom, Yanyun Chen, Shom Goel

JOURNAL OF CLINICAL ONCOLOGY | LIPPINCOTT WILLIAMS & WILKINS | Published : 2021

Abstract

TPS596 Background: Hormone receptor positive (HR+), human epidermal growth factor receptor 2-positive (HER2+) breast cancer (BC) with high-risk characteristics has a high risk of disease recurrence. Novel therapeutic options for this population are urgently needed. Abemaciclib is an oral, selective, and potent CDK4 & 6 inhibitor administered on a continuous schedule which is approved for HR+, HER2- advanced BC (ABC) as monotherapy and in combination with endocrine therapy (ET). Abemaciclib combined with ET demonstrated a statistically significant improvement in invasive disease-free survival (IDFS) in participants (pt) with HR+, HER2-, node-positive, high risk early breast cancer (EBC) and ..

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