Hangzhou Huadong Medicine Bioengineering Research Center Co.

To evaluate the pharmacokinetic study of single and multiple oral administration of omeprazole capsules (omeprazole 20 mg/sodium bicarbonate 1100 mg) developed and produced by Hangzhou Sino-US Huadong Pharmaceutical Co., Ltd. in healthy Chinese volunteers; to evaluate the safety and tolerability of single and multiple oral administration of omeprazole capsules.

To preliminarily evaluate the clinical efficacy and safety of Bailing Shugan Capsule in the treatment of liver fibrosis caused by hepatitis B and to determine the optimal clinical dose of Bailing Shugan Capsule.

To observe the efficacy and safety of omeprazole capsules (omeprazole 20 mg/sodium bicarbonate 1100 mg) in the treatment of active duodenal ulcer.