Beijing Baiya United Medicine Research Institute Co.,Ltd.

A single-center, randomized, open, two-period crossover, single oral trial design was used to compare the differences in absorption extent and rate of guaifenesin bilayer sustained-release tablets (600 mg) provided by Beijing Boya United Pharmaceutical Research Institute Co., Ltd. and guaifenesin bilayer sustained-release tablets (600 mg, trade name: Mucinex®) produced by RB HEALTH US LLC in healthy Chinese people under fasting and postprandial administration conditions, and to evaluate the safety of guaifenesin bilayer sustained-release tablets provided by Beijing Boya United Pharmaceutical Research Institute Co., Ltd.

A single-center, randomized, open, three-period, partially repeated crossover, single-dose design was used to compare the differences in absorption extent and rate of pravastatin sodium tablets (specification: 40 mg) provided by Beijing Boya United Pharmaceutical Research Institute Co., Ltd. and pravastatin sodium tablets (trade name: Prareduct®; specification: 40 mg) produced by Daiichi Sankyo Belgium S.A. under fasting and postprandial administration in healthy Chinese people, and to evaluate the safety of pravastatin sodium tablets (specification: 40 mg) provided by Beijing Boya United Pharmaceutical Research Institute Co., Ltd.

A single-center, randomized, open, three-period partially repeated crossover, single-dose, fasting and postprandial administration design was used to evaluate the bioequivalence of compound glycyrrhizin capsules (specifications: each capsule contains 25 mg glycyrrhizin, 25 mg glycine, and 25 mg DL-methionine) provided by Beijing Boya United Pharmaceutical Research Institute Co., Ltd. as the test preparation and compound glycyrrhizin tablets (specifications: each tablet contains 25 mg glycyrrhizin, 25 mg glycine, and 25 mg DL-methionine; trade name: Stronger Neo-Minophagen C®) certified by Minophagen Pharmaceutical Co., Ltd. as the reference preparation in healthy people when taken orally on an empty stomach and after a meal, to provide evidence for the consistency of clinical efficacy between compound glycyrrhizin capsules provided by Beijing Boya United Pharmaceutical Research Institute Co., Ltd. and compound glycyrrhizin tablets certified by Minophagen Pharmaceutical Co., Ltd.