Combination Followed by Maintenance Chemotherapy Versus CDK4/6 Inhibitor Combined With Endocrine Therapy for HR Low/HER2-negative Advanced Breast Cancer: a Prospective, Randomized, Open-label Phase Ⅱ Clinical Trial
Conditions
- Advanced Breast Cancer
- Treatment
- HR Low/HER2 Negative
Interventions
- DRUG: Experimental: chemotheyapy
- DRUG: Active Comparator: endocrine therapy
Sponsor
Henan Cancer Hospital