 7. Women of childbearing potential not surgically sterile or 2 years postmenopausal and men with a female partner of childbearing potential must use a medically accepted method of contraception and must agree to continue use of this method for the duration of the study and for 30 days after participation in the study. Acceptable methods of contraception for men and women include abstinence, barrier method condom or diaphragm with spermicide, intrauterine device IUD, vasectomy in conjunction with barrier method, or steroidal contraceptive oral, transdermal, implanted, injected in conjunction with a barrier method. 