Imlunestrant: First Approval
- 03-12-2025
- Breast Cancer
- AdisInsight Report
- Author
- Susan J. Keam
- Published in
- Drugs | Issue 1/2026
Abstract
Imlunestrant (Inluriyo™), an oral, selective, estrogen receptor (ER) degrader (SERD), is being developed by Eli Lilly and Company for the treatment of ER-positive (ER+), human epidermal growth factor receptor 2 (HER2) negative (HER2−) breast cancer. In September 2025, imlunestrant was approved for the treatment of adults with ER+, HER2−, ESR1-mutated advanced or metastatic breast cancer with disease progression following at least one line of endocrine therapy in the USA. This article summarizes the milestones in the development of imlunestrant leading to this first approval for use in patients with ER+, HER2−, ESR1-mutated advanced or metastatic breast cancer.
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- Title
- Imlunestrant: First Approval
- Author
-
Susan J. Keam
- Publication date
- 03-12-2025
- Publisher
- Springer International Publishing
- Keywords
-
Breast Cancer
Breast Cancer
Endocrine Therapy - Published in
-
Drugs / Issue 1/2026
Print ISSN: 0012-6667
Electronic ISSN: 1179-1950 - DOI
- https://doi.org/10.1007/s40265-025-02266-x
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