You will be asked to return to the clinic for tests once a week during the first cycle of treatment (Days 7, 14, 21, and 28). You will take the atiprimod doses on Days 5-14 at home as instructed, except for the 2 days during this period that you are scheduled to return to the clinic (Study Days 7 and 14). These 2 doses will be given to you at the clinic. Before you leave the clinic on Study Day 7, you will be given enough atiprimod to last until the next visit (Study Day 14).