| Completed | 3 | 275 | RoW | GB491+ Fulvestrant, test drug + Fulvestrant, Placebo+Fulvestrant, placebo control + Fulvestrant | Genor Biopharma Co., Ltd. | Locally Advanced or Metastatic Breast Cancer | 12/22 | 03/24 | | |
| Recruiting | 2 | 323 | RoW | Prophylactic contralateral breast irradiation | Second Affiliated Hospital, School of Medicine, Zhejiang University | Breast Cancer | 12/29 | 12/29 | | |