All subjects received the following drugs:~Phase 1-HSK16149 capsules for single use: D1-D4 oral HSK16149 capsules 80 mg BID, D5 only oral HSK16149 capsules 80 mg in the morning on an empty stomach; wash-out period is about 4 days (D5-D8); Phase 2-Metformin hydrochloride tablets for single use: D9-D11 oral metformin hydrochloride tablets 500 mg BID, D12 only take 500 mg metformin hydrochloride tablets in the morning on an empty stomach; wash-out period is about 4 days (D12-D15); Phase 3-Combined use of HSK16149 capsules and metformin hydrochloride tablets: D16-D19 oral metformin hydrochloride tablets 500 mg BID, D16-D19 oral HSK16149 80 mg BID; D20 oral metformin hydrochloride tablets 500 mg and HSK16149 capsules 80 mg in the morning on an empty stomach.
This study is a single-center, open, single-arm study, conducted in healthy Chinese populations, and plans to enroll 22 healthy adult subjects (the ratio of either sex is not less than 1/3).