Primary outcome analysis of the phase 3 SONIA trial (BOOG 2017-03) on selecting the optimal position of cyclin-dependent kinases 4 and 6 (CDK4/6) inhibitors for patients with hormone receptor-positive (HR+), HER2-negative (HER2-) advanced breast cancer (ABC).

Sonke, Gabe S., Van Ommen - Nijhof, Annemiek, Wortelboer, Noor · Journal of Clinical Oncology · 2023