A Study to Evaluate Long-term Safety of CC-486 (Oral Azacitidine) in Subjects With Hematological Disorders

The subject will continue at the same dose, frequency and schedule used for the last dose of CC-486 given in the preceding CC-486 study. Subjects are allowed to rollover after the last cycle is finished and before the new cycle begins in the parent protocol. There is a 7 day window from End of Study on the parent protocol and when the participant will start Day 1 of the rollover study.