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Clinical trial

Assessment of the Effectiveness of Ethosuximide in the Treatment of Traumatic Neuropathic Pain (EDONOT)

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Last updated:20th Mar 2014

Currently, it is established that the voltage-gated calcium channels modulate pain perception due to an influence on the neuronal transmission and excitability. In the past, attention has focused on the modulation of high voltage activated calcium channel. More recently, scientific interest has proven to the low voltage activated calcium channel, also called T-type channels. The data from the literature show significant involvement of these channels in the physiology of nociception and pathophysiology of acute and chronic pain. Moreover, in several animal pain models (acute, neuropathic, inflammatory), T-type channels inhibition alleviates painful behaviours.

Analgesics treatments available in clinic are ineffective in some patients with chronic pain (neuropathic, inflammatory) and often induce deleterious side effects. Thus, the clinical use of selective inhibitors of T-type channels could not only help the development of new therapies for the treatment of neuropathic pain (prevalence = 5-8 %), but also have a pharmaco-economic impact due to the low selling price of their inhibitor currently available: Zarontin®.

The purpose of this study is to assess the effectiveness of ethosuximide (Zarontin®) on the pain symptoms and quality of life in patients with neuropathic traumatic pain compared to a control group.

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Study start date 2014-03-20

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