7. A agreement to use a highly effective, non-hormonal form of contraception is required for women of childbearing potential and men with partners of childbearing potential, who were not sterilized surgically, for duration of the study treatment and after the last dose of study treatment; For female patients of child bearing potential,who was not sterilized surgically,the serum human chorionic gonadotropin （HCG） pregnancy test must be the negative