Capecitabine or Endocrinotherapy as a Maintenance Therapy Regimen at Least 2nd Line in Hormone Receptor Positive and HER2 Negative Metastatic Breast Cancer
Status: UNKNOWN
Study type: INTERVENTIONAL
Conditions: Breast Cancer
Interventions: DRUG: Capecitabine|DRUG: endocrine therapy
Sponsor: Zhejiang Cancer Hospital