After the first 3 months on this study, you may have blood drawn (about 3 tablespoons) for blood counts and chemistries at your regular doctor's office. The results of your blood tests will then be sent to the research nurse. Your side effects will be reviewed by a doctor or nurse by telephone (in addition to being reviewed in your study diary) before the start of each cycle of treatment. This phone call will last about 10 minutes each time.