AUTHOR=Tolaney Sara M. , Jhaveri Komal , Helsten Teresa , Puhalla Shannon L. , Conlin Alison , Dees E. Claire , Beeram Muralidhar , Chapman Sonya C. , Lithio Andrew , Litchfield Lacey M. , Goetz Matthew P. TITLE=Abemaciclib in combination with therapies for patients with metastatic breast cancer: a phase 1b study JOURNAL=Frontiers in Oncology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1555921 DOI=10.3389/fonc.2025.1555921 ISSN=2234-943X