Abstract
Diabetic peripheral and autonomic neuropathies are common complications of diabetes with broad spectrums of clinical manifestations and high morbidity. Studies using various agents to target the pathways implicated in the development and progression of diabetic neuropathy were promising in animal models. In humans, however, randomized controlled studies have failed to show efficacy on objective measures of neuropathy. The complex anatomy of the peripheral and autonomic nervous systems, the multitude of pathogenic mechanisms involved, and the lack of uniformity of neuropathy measures have likely contributed to these failures. To date, tight glycemic control is the only strategy convincingly shown to prevent or delay the development of neuropathy in patients with type 1 diabetes and to slow the progression of neuropathy in some patients with type 2 diabetes. Lessons learned about the role of glycemic control on distal symmetrical polyneuropathy and cardiovascular autonomic neuropathy are discussed in this review.
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Acknowledgments
R.P.B. is supported by grants from NIH/NIDDK, NIH/NHLBI (1R01HL102334-01, U01-DK-094176, U01-DK-094157, U01DK098246) and the American Diabetes Association (1-14-MN-02). M.J. is supported by grants from the American Diabetes Association (1-14-MN-02). C.L.M. is supported by grants from the National Institutes of Health/NIDDK (U01-DK-094176, U01-DK-094157, and U01DK098246).
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Lynn Ang, Mamta Jaiswal, Catherine Martin, and Rodica Pop-Busui declare that they have no conflict of interest.
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This article describes studies with human subjects, and Dr. Pop-Busui participated in some of them. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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This article is part of the Topical Collection on Microvascular Complications—Neuropathy
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Ang, L., Jaiswal, M., Martin, C. et al. Glucose Control and Diabetic Neuropathy: Lessons from Recent Large Clinical Trials. Curr Diab Rep 14, 528 (2014). https://doi.org/10.1007/s11892-014-0528-7
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DOI: https://doi.org/10.1007/s11892-014-0528-7