Phase II/III Study of SPH4336 Combined With Letrozole vs Placebo Combined With Letrozole in First-line Treatment of Breast Cancer
Status: RECRUITING
Study type: INTERVENTIONAL
Conditions: Locally Advanced or Metastatic Breast Cancer
Interventions: DRUG: SPH4336 Tablets 400mg|DRUG: SPH4336 Tablets Placebo
Sponsor: Shanghai Pharmaceuticals Holding Co., Ltd