On Days 1-21 of each 28-day cycle, you will take the study drug by mouth 2 times a day. You should take the study drug with at least 1 full glass of room temperature, still (non-carbonated) water, within 30 minutes after eating a snack or meal. You should either remain sitting upright or standing for at least 30 minutes after you take the study drug. You will be given directions by the study doctor, the study nurse, and/or the study pharmacist on how to take the study drug at home.