Brand name: Kisqali
Chemical name: Ribociclib, formerly called LEE011
Class: Cyclin-dependent kinase 4/6 inhibitor. Ibrance is another 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. Kisqali works by inhibiting the kinase and stopping cancer cells from dividing and growing.
Uses: Kisqali is used in combination with an aromatase inhibitor to treat advanced-stage, estrogen-receptor-positive, HER2-negative breast cancer that hasn’t been treated with hormonal therapy before in postmenopausal women. Arimidex, Aromasin, and Femara are aromatase inhibitors.
How it’s given: Kisqali is a pill taken by mouth.
- hair loss
- back pain
- low white blood cell counts
- heart problems known as QT prolongation
- liver problems
Read more about Kisqali.