Palbociclib is used in combination with letrozole (an aromatase inhibitor) to treat postmenopausal women with estrogen receptor (ER) positive, HER2 negative advanced breast cancer.
Medicince introduction including background, function, caution, etc.
Indication Palbociclib is a kinase inhibitor indicated for the treatment of hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative advanced or metastatic breast cancer in combination with: An aromatase inhibitor as initial endocrine based therapy in postmenopausal women; or Fulvestrant in women with disease progression following endocrine therapy.
Side effects Tiredness, weakness, hair loss, mouth sores
Mechanism of Action Cyclin dependent kinases (CDK) 4,6 inhibitor Reduces cellular proliferation of ER-positive breast cancer cell lines by blocking progression of the cell from G1 into S phase of the cell cycle