You will be taken off this study if your disease gets worse or you experience any intolerable side effects. It is also possible that the study doctor may decide to take you off this study if your disease response is considered less than a complete response. You will have an end-of-study visit, if you are taken off this study for any reason. During the end-of-study visit, you will have blood drawn (about 3 tablespoons) for blood counts and chemistries. You will have an ECG. You may have a urine pregnancy test. You will also have a bone marrow aspiration performed.