- Women of childbearing potential (WOCBP) must use an accepted, effective method of contraception during the course of the study, in a manner such that risk of failure is minimized. Sexually active males enrolled should understand the risks to any sexual partner of childbearing potential; must also practice an effective method of contraception. WOCBP must be advised of the importance of avoiding pregnancy during trial participation and the potential risk factors for an unintentional pregnancy; have a negative pregnancy test within 7 days prior to first receiving investigational product; be instructed to contact the Investigator immediately if they suspect they might be pregnant at any time during study participation. Investigator must immediately notify Bristol-Myers Squibb (BMS) in the event of a confirmed pregnancy in a patient participating in the study. If the pregnancy test is positive, the patient must not receive investigational product and must not be enrolled in the study.