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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Effect of cilostazol on experimental diabetic neuropathy in the rat.

Two proposed mechanisms of diabetic neuropathy are microvascular ischaemia and a reduction in Na,K-ATPase activity. We evaluated the effect of cilostazol, a drug that is both a potent phosphodiesterase inhibitor that normalizes nerve Na,K-AT-Pase and a vasodilator, on nerve blood flow (NBF) to determine whether it would improve experimental diabetic neuropathy. We examined whether epineurally applied cilostazol acted as a vasodilator on the peripheral nerve of normal and diabetic rats, and whether feeding the rats a cilostazol-supplemented diet could improve diabetic neuropathy. Cilostazol increased nerve blood flow (NBF) in a dose-dependent fashion with an EC50 of 10(-5.74) mol/l. Cilostazol also normalized NBF in experimental diabetic neuropathy with a 10(-4) mol/l local application on the sciatic nerve. In diabetic neuropathy, a cilostazol-supplemented diet improved both NBF and nerve conduction in a dose- and time-dependent fashion. Potential mechanisms of action of cilostazol on the nerve include its effect on NBF, Na, K-ATPase, and restoration of the thromboxane:prostacyclin ratio. Cilostazol may have potential in the treatment of diabetic neuropathy.[1]


  1. Effect of cilostazol on experimental diabetic neuropathy in the rat. Kihara, M., Schmelzer, J.D., Low, P.A. Diabetologia (1995) [Pubmed]
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