Study Evaluating Hemay022 in Combination With Endocrine Therapy In Subjects With ER Positive and HER2 Positive Advanced Breast Cancer
Conditions
Interventions
- DRUG: Hemay022+exemestane
- DRUG: Hemay022+letrozole
- DRUG: Hemay022+ fulvestrant
Sponsor
Tianjin Hemay Pharmaceutical Co., Ltd