Drug Discov Ther. 2020;14(2):84-88. (DOI: 10.5582/ddt.2020.01013)

Therapeutic effect of Chinese prescription Kangen-karyu in patients with diabetic nephropathy

Park CH, Hiratani K, Natazuka T, Yokozawa T

Diabetic nephropathy is the kidney disease that occurs as a result of diabetes. A number of new therapies have been developed based on the pathogenic factors of diabetic nephropathy such as intensive glycemic control, precise hypertension control, lifestyle modifications including exercise and an energy-restricted diet, and numerous novel agents. The utilization of traditional Chinese medicine for patients with diabetic nephropathy has also received increasing attention due to its wide availability, weak side-effects, and proven therapeutic mechanisms and benefits. In this paper, we report the case of patients with diabetic nephropathy, stage 2 or 3. Kangen-karyu extract (7.5 g/day) was administered three times per day for 6 months. The estimated glomerular filtration rate was increased at the 6-month follow-up. The serum creatinine level decreased following administration. At that time, somatic and subjective symptoms had partially disappeared. Here, we present evidence that Kangen-karyu exerts a renoprotective effect against the development of diabetic nephropathy.

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