Therapeutic Response Statement (Sensitivity)

This therapeutic response statement supports the relationship that ER positive, HER2-negative status confers therapeutic sensitivity to Abemaciclib, Tamoxifen in patients with Invasive Breast Carcinoma.

This statement is based on a regulatory approval from the Health Canada:

VERZENIO (abemaciclib) is indicated in combination with endocrine therapy for the adjuvant treatment of adult patients with hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative, node-positive, early breast cancer at high risk of disease recurrence based on clinicopathological features.

Citation

Eli Lilly Canada Inc. Verzenio (abemaciclib) [product monograph]. Health Canada website. https://pdf.hres.ca/dpd_pm/00073683.PDF. Revised December 2023. Accessed June 2025.