- Women of childbearing potential must have a negative urine or serum β-HCG pregnancy test within 7 days prior to the administration of the first study treatment. Sexually active women of childbearing potential must agree to use a highly effective method of contraception during the study and for at least 12 months after the last study treatment administration. Sexually active males patients must agree to use condom during the study and for at least 12 months after the last study treatment administration. Also, it is recommended their women of childbearing potential partner use a highly effective method of contraception.