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The peripheral and central mechanisms of transition of acute to chronic pain and the possible role of cyclooxygenase-2 inhibition in the prevention of pain syndrome chronization

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Chronic pain syndromes as a cause of suffering, short-term or persistent disability, and social losses greatly worsen quality of life. The mecha￾nisms leading to the occurrence and maintenance of chronic pain are traditionally of interest for in-depth study since each of them is potentially a target for pharmacotherapy. Peripheral and central sensitizations, as well as disinhibition make different contributions to the development of chronic pain. The fact that cyclooxygenase-2 (COX-2) inhibitors may affect at both the peripheral and central, spinal levels, by modulating such a phenomenon as central sensitization, has been recently discussed. There are theoretical prerequisites for a discussion of this action of COX-2 inhibitors; however, clinical findings supporting this hypothesis have been scarce so far. In this connection, of interest is the clinical trial published in 2016, which may suggest to a high degree of accuracy that some analgesic effect of the selective COX-2 inhibitor etoricoxib is realized through the central mechanisms of pain modulation. 

About the Author

O. S. Davydov
Z.P. Solovyev Research and Practical Center of Psychoneurology, Moscow Healthcare Department, Moscow
Russian Federation

43, Donskaya St., Moscow 115419 


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For citations:

Davydov O.S. The peripheral and central mechanisms of transition of acute to chronic pain and the possible role of cyclooxygenase-2 inhibition in the prevention of pain syndrome chronization. Neurology, Neuropsychiatry, Psychosomatics. 2016;8(2):10-16. (In Russ.)

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