- A man who is sexually active must agree to use a condom; and a man who is sexually active with a woman of childbearing potential and has not had a vasectomy, must agree to use a condom in combination with an adequate contraception method as deemed appropriate by the investigator (example, double-barrier method, partner using effective contraception [defined as hormonal contraception (pill, patch, injection), intrauterine device, surgical sterilization] and to not donate sperm for 5 months after receiving the study drug