- Males who are sexually active with WOCBP must agree to follow instructions for method(s) of contraception for the duration of treatment with BMS-986263 (21 days) plus 5 half-lives of BMS-986263 (7.5 days) plus the duration of sperm turnover (90 days) for a total of 118.5 days post-treatment completion. In addition, male participants must be willing to refrain from sperm donation during this time. Azoospermic males are exempt from contraceptive requirements