Therapeutic Response Statement (Sensitivity)
This therapeutic response statement supports the relationship that HER2-negative, PR positive status confers therapeutic sensitivity to Abemaciclib in patients with Invasive Breast Carcinoma.
The European Medicines Agency (EMA) has authorized abemaciclib 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 recurrence. Abemaciclib's product information further states that in pre- or perimenopausal women, aromatase inhibitor endrocrine therapy should be combined with a luteinising hormone-releasing hormone (LHRH) agonist. The product information further states that this indication was approved based on results from the monarchE study, a randomized, open label, two cohort, phase 3 study which enrolled a total of 5,637 patients who were randomized in a 1:1 ratio to receive 2 years of abemaciclib plus physician's choice of standard endocrine therapy, or standard endocrine therapy alone.
This statement is based on a regulatory approval from the European Medicines Agency:
Verzenios in combination with endocrine therapy is indicated 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 recurrence.