For male patients, agreement not to donate sperm during the study and for months after the final dose of vismodegib; male patients must use condoms at all times, even after a vasectomy, during sexual intercourse with pregnant partners or female partners of reproductive potential during treatment with vismodegib; vismodegib is present in semen Male patients must agree to use condoms for sexual intercourse with female partners of reproductive potential at all times, even after a vasectomy, during treatment with vismodegib and for months after the last dose to avoid exposing a pregnant partner and unborn fetus to vismodegib Male patients must use condoms at all times, even after a vasectomy, during sexual intercourse with female partners of reproductive potential during treatment with vismodegib and for months after the last dose Male patients must use condoms at all times, even after a vasectomy, during sexual intercourse with female partners of reproductive potential during treatment with vismodegib and for months after the last dose Male subjects must agree to use condoms at all times, even after a vasectomy, during sexual intercourse with female partners of reproductive potential during treatment with vismodegib and for months after the last dose