Clinical Outcome of Vinpocetine in Diabetic Nephropathy

Overview

The goal of this controlled, randomized, clinical trial is to evaluate the effect of vinpocetine on clinical outcomes on the diabetic nephropathy patients. The following will be evaluated; anthropometrics, kidney functions, glucose panel, lipid panel, ICAM-1, quality of life. Participants will receive either vinpocetine or placebo, twice daily for 3 months.

Diabetes mellitus affects around 537 million people globally, projected to reach over 700 million by 2045. Egypt is notably impacted, ranking tenth in prevalence and contributing significantly to chronic kidney disease, blindness, and stroke. Diabetic nephropathy (DN) arises as a severe complication, affecting about 50% of type 2 diabetes patients and leading to end-stage kidney disease. Its pathogenesis involves complex mechanisms like persistent hyperglycemia, inflammation, oxidative stress, and endothelial dysfunction, culminating in kidney damage and subsequently fibrosis. Current treatments focus on managing blood glucose, pressure, and lipid levels, often using drugs that target the renin-angiotensin-aldosterone system. However, these therapies aren't always sufficient to prevent progression to end-stage renal disease. Therefore, exploring new approaches is crucial. Vinpocetine, a derivative of Vinca minor leaves, is a selective inhibitor of phosphodiesterase type 1 (PDE1). It has noteworthy antioxidant, anti-inflammatory, and anti-apoptotic properties. Clinical and experimental studies suggest its potential in various conditions, including neurodegenerative disorders, cardiovascular diseases, and inflammation-related ailments. Notably, it has shown promising effects in improving endothelial function and reducing inflammatory markers like TNF-α and IL-6. In kidney injury models, Vinpocetine has demonstrated nephroprotective effects, improving kidney function markers, reducing albumin excretion, and decreasing renal hypertrophy. It can also exert its antioxidant effects through the restoration of the depleted GSH content, and the attenuation of the increase in MDA levels. In a clinical trial investigating the effect of vinpocetine in acute ischemic stroke patients, vinpocetine inhibited the upregulation of TNF-α, IL-6, MCP-1, ICAM-1, VCAM-1, as well as CRP in blood plasma. It also appears to impact atherosclerosis by positively affecting lipid profiles and reducing atherosclerosis lesion formation through mechanisms like inhibition of NF-κB and modulation of ox-LDL receptors. Based on vinpocetine's promising profile and minimal reported side effects, this work aims to investigate the Vinpocetine's potential in treating diabetic nephropathy and associated complications.

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Central Contacts