Zhejiang Yinggelai Pharmaceutical Co. Ltd.

Primary Objective: To investigate the pharmacokinetics of a single oral dose of the test formulation vardenafil hydrochloride tablets (20 mg, manufactured and supplied by Zhejiang Yinggelai Pharmaceutical Co., Ltd.) and the reference formulation vardenafil hydrochloride tablets (trade name: Levitra®, 20 mg, manufactured and certified by Bayer AG) in healthy Chinese male subjects after a meal, and to evaluate the bioequivalence of the two formulations. Secondary Objective: To evaluate the safety of a single oral dose of the test formulation (T) vardenafil hydrochloride tablets and the reference formulation (R) vardenafil hydrochloride tablets (Levitra®) after a meal in healthy Chinese male subjects.

Primary Study Objective: To investigate the pharmacokinetics of a single oral dose of the test formulation, rebamipide tablets (0.1 g, manufactured by Zhejiang Yinggelai Pharmaceutical Co., Ltd.), compared to a reference formulation, rebamipide tablets (Mucosta®, 0.1 g, manufactured by Otsuka Pharmaceutical Co., Ltd.), in healthy adult volunteers, both in the fasting and fed states, and to evaluate the bioequivalence of the two formulations in both the fasting and fed states. Secondary Study Objective: To investigate the safety of a single oral dose of the test formulation, rebamipide tablets, compared to a reference formulation, rebamipide tablets (Mucosta®), in healthy adult volunteers, both in the fasting and fed states.

Primary Study Objectives To investigate the pharmacokinetics of the test formulation, vardenafil hydrochloride tablets (20 mg, manufactured and supplied by Zhejiang Yinggelai Pharmaceutical Co., Ltd.) and the reference formulation, vardenafil hydrochloride tablets (Levitra®, 20 mg, manufactured and licensed by Bayer AG), in healthy Chinese male volunteers after a single oral dose in the fasting state, and to evaluate the bioequivalence of the two formulations. Secondary Study Objectives To evaluate the safety of the test formulation (T) vardenafil hydrochloride tablets and the reference formulation (R) vardenafil hydrochloride tablets (Levitra®) in healthy Chinese male volunteers after a single oral dose in the fasting state.