Sirolimus for Injection (Albumin-bound) Combined With Fulvestrant for HR+/HER2- Advanced/Metastatic Breast Cancer Patients Previously Treated With CDK4/6 Inhibitors
Conditions
- HR+/HER2- Advanced/Metastatic Breast Cancer
Interventions
- DRUG: Sirolimus for Injection (Albumin-bound)
- DRUG: Fulvestrant Injection
- DRUG: Placebo for Sirolimus for Injection (Albumin-bound)
Sponsor
CSPC ZhongQi Pharmaceutical Technology Co., Ltd.