- Women of childbearing potential must have a negative serum pregnancy test prior to study entry; women of childbearing potential and men must agree to practice 1 highly effective method of contraception and 1 additional effective (barrier) method, at the same time, prior to study entry, for the duration of study participation, and through 90 days (or longer, as mandated by local labeling [e.g. USPI, SmPC, etc.]) after the last dose of study drug; should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately; men treated or enrolled on this protocol must also agree to use highly effective barrier contraception prior to the study, for the duration of study participation, and through 120 days after the last dose of study drug