User:Mr. Ibrahem/Ribociclib

Ribociclib, sold under the brand name Kisqali, is a medication used to treat certain kinds of breast cancer. Specifically it is used for HR-positive, HER2-negative disease. It is taken by mouth.

Common side effects include low neutrophils, nausea, tiredness, diarrhea, hair loss, headache, rash, and cough. Other side effects may include low phosphate, QT prolongation, and liver problems. Use in pregnancy may harm the baby. It works by blocking the enzymes CDK4 and CDK6.

Ribociclib was approved for medical use in Europe and the United States in 2017. In the United States it costs about 13,800 USD per 4 weeks as of 2021. This amount in the United Kingdom costs the NHS about £2,950.