This review reveals flavonoids improve renal function in diabetic nephropathy, suggesting a new therapeutic approach using traditional medicines.
Introduction: A major global chronic illness, Diabetic Nephropathy (DN), is the primary cause of end-stage renal damage. The use of flavonoid-based substances to treat chronic diseases like DN has gained reported attention due to the anti-inflammatory, antioxidant, and reno-protective activity reported of flavonoids, making them valuable therapeutic agents. Methods: The current study on using flavonoids to treat DN included a comprehensive review of the research. Data were gathered from preclinical and clinical studies on plant extracts rich in flavonoids, which are often used traditionally, including epicatechin, kaempferol, and quercetin. Modes of action and potential synergistic pairings with traditional diabetic treatments were all analyzed. Results: Flavonoids, such as quercetin and kaempferol, significantly improve kidney function in DN models by reducing oxidative stress, inflammation, and fibrosis. Key flavonoids, such as kaempferol and quercetin, have been shown to inhibit critical molecular processes involved in kidney damage in diabetes, including the NF-κB and TGF-β1 signaling pathways. Discussion: Preclinical and early-phase clinical trial results are encouraging; however, largerscale research is still necessary to confirm these findings and provide standardized formulations for therapeutic use. Delivery vehicles and ongoing clinical studies can work in tandem to enhance the therapeutic potential of flavonoids and facilitate the timely integration of these ingredients into the treatment plan for diabetic kidney disease. Conclusion: This paper examines the status of flavonoid-based treatments for DN in the derived traditional medicines. Combining conventional therapy with flavonoid-based ones may improve treatment results and provide a natural, complementary approach to managing diabetic neuropathy.
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Gupta et al. (2025) studied this question.
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