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, 310 (2-3), 113-6

Combined Epineurial Therapy With Neutralizing Antibodies to Tumor Necrosis Factor-Alpha and interleukin-1 Receptor Has an Additive Effect in Reducing Neuropathic Pain in Mice

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Combined Epineurial Therapy With Neutralizing Antibodies to Tumor Necrosis Factor-Alpha and interleukin-1 Receptor Has an Additive Effect in Reducing Neuropathic Pain in Mice

M Schäfers et al. Neurosci Lett.

Abstract

Monotherapy with antibodies to tumor necrosis factor-alpha (TNF) or interleukin-1 receptor 1 (IL-1R1) reduces hyperalgesia in an animal model of painful neuropathy. Here we investigated whether combined therapy with epineurial anti-TNF and anti-IL-1R1 antibodies produces a further advantage. C57BL/6 mice with a chronic constrictive injury of one sciatic nerve were treated epineurially with neutralizing antibodies to either IL-1R1 or TNF alone or with a combined application of neutralizing antibodies to TNF and IL-1R1. Combined treatment with anti-IL-1R1 and anti-TNF antibodies markedly reduced thermal hyperalgesia and mechanical allodynia more effectively than monotherapy with either antibody. There were no detectable differences in IL-1beta and TNF endoneurial protein expression between animals with monotherapy and combined treatment. We conclude that combined anti-cytokine therapy may be a useful strategy in the treatment of neuropathic pain.

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