Safety and Efficacy of SPH4336 in Combination With Endocrine Therapy in the Treatment of Locally Advanced or Metastatic Breast Cancer
Status: RECRUITING
Study type: INTERVENTIONAL
Conditions: Locally Advanced or Metastatic Breast Cancer
Interventions: DRUG: SPH4336 Tablets|DRUG: SPH4336 Tablets Placebo
Sponsor: Shanghai Pharmaceuticals Holding Co., Ltd