Imlunestrant plus abemaciclib improved PFS across subgroups in ER+/HER2- breast cancer, per EMBER-3 data.

HR Breast Cancer
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Abemaciclib plus fulvestrant showed benefit across biomarkers after CDK4/6i failure in advanced HR+/HER2- breast cancer.
About 40% of patients on AI + palbociclib developed ESR1 mutations in PADA-1, emerging as early as 6 months into treatment.
Dual immunotherapy plus trastuzumab shows activity in ER+ or PD-L1+ trastuzumab-resistant HER2+ breast cancer.
T-DXd improved PFS and response rates vs chemo in HR+/HER2-low or -ultralow metastatic breast cancer in DESTINY-Breast06.
Ribociclib plus ET shows similar pCR rates to chemo in intermediate-risk HR+/HER2– early breast cancer, per WSG ADAPTcycle.
PALMIRA trial shows limited benefit of palbociclib rechallenge in HR+/HER2- breast cancer, guiding future treatment choices.
Real-world data reveal varying efficacy of CDK4/6 inhibitors in HR+/HER2- aBC, supporting personalized treatment choices.
New staging model links treatment response to survival, refining breast cancer prognosis after neoadjuvant chemotherapy.
A new AJCC model refines breast cancer staging after neoadjuvant chemo, filling a key gap in patient prognostication.
Palbociclib rechallenge did not significantly improve PFS in HR+/HER2- advanced breast cancer, PALMIRA trial finds.