HR Positive HER2 Negative Advanced Breast Cancer Clinical Trial
Official title:
An Open, Single-center, Exploratory Cohort Study of Chidamide in Combination With Endocrine in Maintenance Therapy After First-line Chemotherapy for HR+/HER2- Breast Cancer
To explore the efficacy and safety of Chidamide combined with endocrine for maintenance therapy after first-line chemotherapy for HR+/HER2- breast cancer
o explore the efficacy and safety of Chidamide combined with endocrine drug maintenance after first-line chemotherapy in the treatment of advanced untreated breast cancer; To explore the efficacy and safety of Chidamidecombined with endocrine drugs after first-line chemotherapy in the treatment of advanced first-line non-chemotherapeutic breast cancer after failure of CDK4/6 inhibitors ;