China Resources Double-Crane Pharmaceutical (Jinan) Co., Ltd.

Main purpose To compare the differences in absorption degree and speed of Teprenone Capsules (Specification: 50mg) produced by China Resources Double Crane Limin Pharmaceutical (Jinan) Co., Ltd. and Teprenone Capsules (Specification: 50mg, Trade Name: Servier®) produced by Eisai (China) Pharmaceutical Co., Ltd. in healthy adults under fasting and postprandial administration conditions, and to verify the rationality of analytical methods, experimental procedures, blood collection points and experimental design, so as to provide a basis for formal experimental design. Secondary purpose To evaluate the safety of Teprenone Capsules (Specification: 50mg) produced by China Resources Double Crane Limin Pharmaceutical (Jinan) Co., Ltd. and Teprenone Capsules (Specification: 50mg, Trade Name: Servier®) produced by Eisai (China) Pharmaceutical Co., Ltd. in healthy adults under fasting and postprandial administration conditions.

To evaluate the efficacy and safety of pregabalin extended-release tablets in the treatment of postherpetic neuralgia

The main purpose of the study is to study the pharmacokinetics of the test preparation Nicergoline Tablets (Specification: 30mg, produced by China Resources Double Crane Limin Pharmaceutical (Jinan) Co., Ltd.) and the reference preparation Nicergoline Tablets (Sermion®, Specification: 30mg, produced by Pfizer Italia S.r.l.) in healthy adult subjects after a single oral administration in the fasting and fed state, and to evaluate the bioequivalence of the two preparations after oral administration in the fasting and fed state. Secondary purpose of the study is to evaluate the safety of the test preparation and reference preparation of Nicergoline Tablets after a single oral administration in healthy subjects in the fasting and fed state.