Chengdu Sagaer Pharmaceutical Co., Ltd.

To further evaluate the effectiveness and safety of Dingguiyou soft capsules in the treatment of abdominal pain caused by diarrhea-predominant irritable bowel syndrome (spleen and kidney yang deficiency syndrome)

To evaluate the safety and efficacy of Dingguiyou soft capsules in the treatment of irritable bowel syndrome (abdominal pain and internal cold syndrome); to explore the clinical dosage of Dingguiyou soft capsules in the treatment of irritable bowel syndrome (abdominal pain and internal cold syndrome).

A randomized, double-blind, multicenter controlled trial to evaluate the safety and efficacy of Tangjiangshenkang granules in the treatment of diabetic nephropathy (Qi and Yin deficiency syndrome) with placebo as control