A phase II study of abemaciclib, a cyclin-dependent kinase 4 and CDK 6 inhibitor, met its primary endpoint of reducing expression of Ki67, a biomarker of cell proliferation, after two weeks of treatment.
The DESTINY-Breast09 phase III trial of AstraZeneca and Daiichi Sankyo’s Enhertu is the first trial in more than a decade to demonstrate superior efficacy across a broad HER2-positive metastatic patient population versus current first-line standard of care.
