 - Both female participants of childbearing potential and male participants able to father a child must agree to practice two forms of adequate birth control throughout the course of the study and for three months post-injection. Acceptable methods of birth control include hormonal contraception birth control pills, injected hormones or vaginal ring, intrauterine device, barrier methods with spermicide diaphragm with spermicide, condom and spermicide or surgical sterilization hysterectomy, tubal ligation or vasectomy. 