A Study of Abemaciclib (LY2835219) in Women With HR+, HER2+ Locally Advanced or Metastatic Breast Cancer

Summary

The purpose of this study is to evaluate the effectiveness of abemaciclib plus trastuzumab with or without fulvestrant versus trastuzumab plus physicians choice standard of care chemotherapy in women with hormone receptor positive (HR+), human epidermal growth factor receptor 2 positive (HER2+) locally advanced or metastatic breast cancer after prior exposure to at least two HER2-directed therapies for advanced disease.

Timeline

Start

2016-05-23

Primary completion

2019-04-08

Completion

2023-11-09

Publications

• Tolaney SM, Goel S, Nadal J, Denys H, Borrego MR, Litchfield LM, Liu J, Appiah AK, Chen Y, Andre F. Overall Survival and Exploratory Biomarker Analyses of Abemaciclib plus Trastuzumab with or without Fulvestrant versus Trastuzumab plus Chemotherapy in HR+, HER2+ Metastatic Breast Cancer Patients. Clin Cancer Res. 2024 Jan 5;30(1):39-49. doi: 10.1158/1078-0432.CCR-23-1209.
• Tolaney SM, Wardley AM, Zambelli S, Hilton JF, Troso-Sandoval TA, Ricci F, Im SA, Kim SB, Johnston SR, Chan A, Goel S, Catron K, Chapman SC, Price GL, Yang Z, Gainford MC, Andre F. Abemaciclib plus trastuzumab with or without fulvestrant versus trastuzumab plus standard-of-care chemotherapy in women with hormone receptor-positive, HER2-positive advanced breast cancer (monarcHER): a randomised, open-label, phase 2 trial. Lancet Oncol. 2020 Jun;21(6):763-775. doi: 10.1016/S1470-2045(20)30112-1. Epub 2020 Apr 27.

Drugs

Indications