A Multicenter, Randomized Clinical Trail Evaluate Effectiveness and Security of Capecitabine or Endocrinotherapy as a Maintenance Therapy Regimen After the 1st-line Chemotherapy With Capecitabine Combine Regimen in Hormone Receptor Positive and HER2 Negative Metastatic Breast Cancer(Overstep)
Conditions
Interventions
- DRUG: Capecitabine
- PROCEDURE: endocrine therapy
Sponsor
Zhejiang Cancer Hospital
Collaborators
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