Evaluating Safety, Tolerability and Pharmacokinetic of Multiple Ascending Doses of VV119

"VV119 0.5 mg Group:2 subjects will receive VV119 Placebo 0.5 mg, orally once daily for 14 days.~VV119 1 mg Group:2 subjects will receive VV119 Placebo 1 mg, orally once daily for 14 days."

"VV119 0.5 mg Group:6 subjects will receive VV119 0.5 mg, orally once daily for 14 days.~VV119 1 mg Group:6 subjects will receive VV119 1 mg, orally once daily for 14 days."

VV119 2 mg Group:6 subjects will receive 2 0.5mgVV119 capsules on the first four days, then take 1 2mgVV119 capsules and 1 0.5mg VV119 Placebo from the fifth day to the 28th day， orally once daily, VV119 4 mg Group:6 subjects will receive 2 0.5mgVV119 capsules on the first four days, take 1 2mgVV119 capsules and 1 0.5mg VV119 Placebo from the fifth day to the seventh day , then 2 2mgVV119 capsules and 1 0.5mg VV119 Placebo from the eighth day to the 28th day ,orally once daily, VV119 6 mg Group:6 subjects will receive 2 0.5mgVV119 capsules on the first three days,take 1 2mgVV119 capsules and 1 0.5mg VV119 Placebo from the forth day to the fifth day , take 2 2mgVV119 capsules and 1 0.5mg VV119 Placebo from the sixth day to the seventh day , then 3 2mgVV119 capsules and 1 0.5mg VV119 Placebo from the eighth day to the 28th day ,orally once daily.

VV119 2 mg Group:2 subjects will receive 1 0.5mgVV119 capsules and 1 0.5mg VV119 Placebo on the first four days, then take 1 2mgVV119 Placebo and 1 0.5mg VV119 capsules from the fifth day to the 28th day， orally once daily, VV119 4 mg Group:2 subjects will receive 1 0.5mgVV119 capsules and 1 0.5mg VV119 Placebo on the first four days, take 1 2mgVV119 Placebo and 1 0.5mg VV119 capsules from the fifth day to the seventh day , then 2 2mgVV119 Placebo and 1 0.5mg VV119 capsules from the eighth day to the 28th day ,orally once daily, VV119 6 mg Group:2 subjects will receive 1 0.5mgVV119 capsules and 1 0.5mg VV119 Placebo on the first three days, take 1 2mgVV119 Placebo and 1 0.5mg VV119 capsules from the forth day to the fifth day ,take 2 2mgVV119 capsules and 1 0.5mg VV119 Placebo from the sixth day to the seventh day, then 3 2mgVV119 Placebo and 1 0.5mg VV119 capsules from the eighth day to the 28th day ,orally once daily.