Ribociclib is a CDK4/6 inhibitor that’s used in the treatment for breast cancer where there’s HR and HER2, designed to block cell cycle progression. The pills come in a 200 mg strength and they’re coated with a film, They suggest you take them once a day at 600 mg each.
You’re supposed to take them for 21 days out of every 4 weeks. It’s typically come in these packs of 63 tablets in a blister.