Phase IB & II Study of Ribociclib With Trastuzumab Plus Letrozole in Postmenopausal HR+, HER2+ Advanced Breast Cancer Patients
Status: RECRUITING
Study type: INTERVENTIONAL
Conditions: HER2-positive Breast Cancer|Postmenopausal|Metastatic Breast Cancer
Interventions: DRUG: Ribociclib, Trastuzumab, Letrozole
Sponsor: Yonsei University