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NCT01872260 2026-01-30Study of LEE011, BYL719 and Letrozole in Advanced ER+ Breast CancerNovartisPhase 1/2 Active not recruiting255 enrolled
NCT07002177 2026-01-07A Phase Ib/II Study to Evaluate Multiple Combination Therapies of FWD1802 in Patients With ER+/HER2- BCForward Pharmaceuticals Co., Ltd.Phase 1/2 Recruiting196 enrolled
NCT06726148 2026-01-06Study of ECI830 Single Agent or in Combination in Patients With Advanced HR+/HER2- Breast Cancer and Other Advanced Solid TumorsNovartisPhase 1/2 Recruiting280 enrolled
NCT05867251 2025-11-19Study of AVZO-021 in Patients With Advanced Solid TumorsAvenzo Therapeutics, Inc.Phase 1/2 Recruiting430 enrolled
NCT07164976 2025-09-10Ribociclib for HR-positive HER2-negative Metastatic Breast CancerNagoya City UniversityPhase 1/2 Not yet recruiting86 enrolled
NCT03913234 2022-05-10Phase IB & II Study of Ribociclib With Trastuzumab Plus Letrozole in Postmenopausal HR+, HER2+ Advanced Breast Cancer PatientsYonsei UniversityPhase 1/2 Unknown95 enrolled