NCT02630693 2025-11-25Two Different Schedules of Palbociclib + Second Line Endocrine Therapy in Estrogen Receptor Positive, HER2 Neg Advanced/Metastatic Breast CancerCanadian Cancer Trials GroupPhase 2 Completed180 enrolled 14 charts
NCT06086340 2025-11-18Study to Compare Overall Survival in Medicare Patients With Metastatic Breast Cancer Treated With a Medicine Called Palbociclib in Combination With Aromatase Inhibitor and Aromatase Inhibitor by Itself.PfizerCompleted779 enrolled 9 charts
NCT04352777 2025-07-20Impact of Endocrine Therapy and Abemaciclib on Host and Tumor Immune Cell Repertoire/Function in Advanced ER+/HER2- Breast CancerDuke UniversityPhase 2 Completed18 enrolled
NCT02040857 2025-04-29Palbociclib in Combination With Adjuvant Endocrine Therapy for Hormone Receptor Positive, HER2 Negative Invasive Breast CancerDana-Farber Cancer InstitutePhase 2 Completed162 enrolled 12 charts