Study of Efficacy of Ribociclib After Progression on CDK4/6 Inhibition in Patients With HR+ HER2- Advanced Breast Cancer
Conditions
- Metastatic Breast Cancer
- Breast Carcinoma
Interventions
- DRUG: LEE-011
- DRUG: Fulvestrant
- DRUG: Placebo
Sponsor
Melissa K Accordino
Collaborators