Endocrine Therapy Alone
Endocrine Therapy in Combination With CDK4/6 Inhibitors
Aromatase Inhibitors
Tamoxifen
Fulvestrant
AI + CDK4/6 Inhibitor
• AI + Abemaciclib
• AI + Palbociclib
• AI + Ribociclib
Fulvestrant + CDK4/6 Inhibitor
• Fulvestrant + Abemaciclib
• Fulvestrant + Palbociclib
• Fulvestrant + Ribociclib