Articles: neuralgia.
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Emerging evidence indicates that nerve damage-initiated neuroinflammation and immune responses, which are evidenced by the up-regulation of proinflammatory cytokines, contribute to the development of neuropathic pain. This study investigated the role of spinal interleukin (IL)-33 and its receptor ST2 in spared nerve injury (SNI)-induced neuropathic pain. ⋯ Spinal IL-33/ST2 signaling contributes to neuropathic pain by activating the astroglial JAK2-STAT3 cascade and the neuronal CaMKII-CREB cascade.
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Clinical Trial
Epidermal growth factor receptor - inhibition (EGFR-I) in the treatment of neuropathic pain.
Neurobiological work has demonstrated that expression of mitogen-activated protein kinases (MAPK) is upregulated on neurones and glial cells after nerve damage. Furthermore, the epidermal growth factor receptor (EGFR) has been identified as having a key role in this process and subsequent interruption of this using EGFR-Inhibitors (EGFR-I), may improve neuropathic pain. The aim of this report was to explore if EGFR-I attenuated neuropathic pain in humans. ⋯ EGFR-I improves neuropathic pain and this is in keeping with basic science work. Controlled clinical trials are now eagerly awaited to assess this further.
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Clinical Trial
SCN9A Variants may be Implicated in Neuropathic Pain Associated with Diabetic Peripheral Neuropathy and Pain Severity.
Previous studies have established the role of SCN9A in various pain conditions, including idiopathic small fiber neuropathy. In the present study, we interrogate the relationship between common and rare variants in SCN9A gene and chronic neuropathic pain associated with diabetic peripheral neuropathy. ⋯ The association of SCN9A variants with neuropathic pain and pain severity suggests a role of SCN9A in the disease etiology of neuropathic pain.
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Review Meta Analysis
Effectiveness of transcranial direct current stimulation for the management of neuropathic pain after spinal cord injury: a meta-analysis.
To conduct a systematic review and meta-analysis to examine the effect of transcranial direct current stimulation (tDCS) on reducing neuropathic pain intensity in individuals with spinal cord injury (SCI). ⋯ Meta-analytic results indicate a moderate effect of tDCS in reducing neuropathic pain among individuals with SCI; however, the effect was not maintained at follow-up. A mean pooled decrease of 1.33 units on a 10-item scale was found post treatment. Several factors were implicated in the effectiveness of tDCS in reducing pain. Due to the limited number of studies and lack of follow-up, more evidence is required before treatment recommendations can be made.
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Randomized Controlled Trial
Relationships among Adverse Events, Disease Characteristics, and Demographics in Treatment of Postherpetic Neuralgia with Gastroretentive Gabapentin.
To characterize risk factors for occurrence of adverse events (AEs) and treatment discontinuations due to AEs for improving safety and tolerability of treatment of postherpetic neuralgia (PHN). ⋯ The tolerability of G-GR was not affected by patient age, but was affected by AE severity. Although being female was predictive of reporting AEs, it did not influence treatment discontinuation. Given that PHN is a disease for which the risk and duration of PHN increases with age and with being female, G-GR appears to be a well-suited treatment option for PHN.