Abemaciclib for the Treatment of Luminal Metastatic breAst caNcer in the Real-life Clinical pracTice in Russia.

The ATLANT study is prospective, multicentre, non-interventional, observational study. 136 patients with HR+/HER2-negative metastatic breast cancer received abemaciclib as monotherapy or in combination with endocrine therapy in different line therapy. The purpose of this study is to better understand how abemciclib combinations are used in real-life conditions and their clinical impact for the treatment of Russian patients affected by (HR+)/ (HER2-) advanced breast cancer (ABC) or metastatic breast cancer (MBC).