Study Type: Interventional Enrollment: Number of Subjects: 24 Type: Anticipated~Allocation : Yes Intervention Model : Single center, randomized, open Intervention Model Description: 3 cycles, 6 sequences Masking: No Masking~Subjects were randomly divided into the group A, B, C, D, E and F. On D1, D8 and D15, six groups of subjects were respectively given A version or C version or D version of SHR4640 tablet.
The primary objective of the study is to evaluate the relative bioavailability of three different prescription processes of SHR4640 tablets in healthy volunteers. The secondary objective of the study is to observe the safety of SHR4640 tablets in healthy subjects.