Regenex Corp.

This study aimed to investigate the pharmacokinetic characteristics of dydrogesterone tablets (10 mg) developed and produced by Guangzhou Langsheng Pharmaceutical Co., Ltd. after single oral administration on an empty stomach or after a meal. Using dydrogesterone tablets (Duphaston®, 10 mg) produced by Abbott Biologicals B.V. as the reference preparation, the pharmacokinetic parameters Cmax, AUC0-t, and AUC0-∞ of the two preparations were compared to evaluate the bioequivalence of the two preparations in humans.

This study investigated the pharmacokinetic characteristics of drospirenone ethinyl estradiol tablets (test preparation, specification: 3mg/0.03mg) provided by Guangzhou Langsheng Pharmaceutical Co., Ltd. and drospirenone ethinyl estradiol tablets (reference preparation, trade name: Yasmin®, specification: 3mg/0.03mg) certified by Jenapharm GmbH & Co. KG in healthy female subjects under fasting and postprandial conditions, and evaluated the bioequivalence and safety of the two preparations to provide a basis for the registration application of the test preparation.

To observe the safety and efficacy of misoprostol vaginal tablets (dosing interval 6h) in a large sample population.