So, Palbociclib is this CDK4/6 inhibitor thing that they use for treating breast cancer, specifically the kind where the hormones are positive and HER2 is negative. It works by stopping cells from moving on to the next stage of their life cycle. You got three doses to choose from: 75 mg, 100 mg, and 125 mg, all in capsule form.
They usually suggest taking 125 mg every day for 21 days out of every month. Each bottle has got 21 capsules, which is enough for one full 21-day treatment.
