Palbociclib is a CDK4/6 inhibitor indicated for HR /HER2breast cancer. Well, it does this thing by halting the cell cycle progress, you know? It comes in three different strengths—75 mg, 100 mg, and there’s the 125 mg version.
You’re supposed to take 125 mg of it every day, for 21 days straight, in a month-long cycle. Each bottle has got 21 of these 125 mg capsules to make sure you’ve got enough for a full cycle.
