If you are enrolled in the expansion group, blood (about 2 teaspoons each time) will be collected for PK testing before you take the daily dose of the study drug and then 1, 2, 4, 6, 8 and 24 hours later on Day 1 of Cycle 1. On Days 8, 15 and 21 of Cycle 1, blood (about 2 teaspoons each time) will also be collected for PK testing before you take the daily dose of the study drug and then 1, 2, 4, 6 and 8 hours later.