- Must agree to use, and be able to comply with, at least 2 forms of reliable contraception simultaneously or to practice complete abstinence from heterosexual intercourse without interruption, from transferring/rolling over from the CC-5013-MM-021 study, at the screening visit for eligibility, throughout study drug therapy (including dose interruptions) and for 28 days after the end of study drug therapy, even if she has amenorrhea. This applies even if the subject practices complete and continued abstinence confirmed on a monthly basis.