Brand name: Ibrance
Chemical name: Palbociclib
Class: Cyclin-dependent kinase 4/6 inhibitor. Ibrance is the only cyclin-dependent kinase 4/6 inhibitor used to treat breast cancer.
How it works: A kinase is a type of protein in the body that helps control cell division. Ibrance works by inhibiting the kinase and stopping cancer cells from dividing and growing.
Uses: Ibrance is used in combination with the hormonal therapy Femara (chemical name: letrozole) to treat advanced-stage, estrogen-receptor-positive, HER2-negative breast cancer that hadn’t been treated with hormonal therapy before in postmenopausal women.
How it’s given: Ibrance is a pill taken by mouth.
- anemia (low red blood cell count)
- mouth sores
- hair thinning or loss
- decreased appetite
- neutropenia (low white blood cell count)
- blood clots
Read more about Ibrance.