A Phase II Clinical Study of the Efficacy and Safety of Culmerciclib Rechallenge in HR-positive, HER2-negative Breast Cancer Patients With Resistance to First-line Endocrine Therapy.
Conditions
Interventions
- DRUG: CDK4/6 inhibitor
- DRUG: Culmerciclib
- DRUG: Fulvestrant
Sponsor
Fudan University