Articles: neuralgia.
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J Basic Clin Physiol Pharmacol · Nov 2017
Possible modulation of PPAR-γ cascade against depression caused by neuropathic pain in rats.
Sciatic nerve ligation causes neuropathic pain with chronic constriction injury (CCI). However, there is no published report on the effect of pioglitazone as an antidepressant in the treatment of depression induced by neuropathic pain with CCI in rats. The aim of this study was to evaluate the effect of pioglitazone as an antidepressant by targeting oxidative stress by the peripheral neuropathic pain model using the CCI of the sciatic nerve. ⋯ It may be concluded that the oxidative stress plays a critical role in the pathogenesis of neuropathic pain and depression as evidenced by the behavioral studies and the changes in the levels of lipid peroxidase, nitrite, catalase, and glutathione and SOD.
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American family physician · Nov 2017
ReviewHerpes Zoster and Postherpetic Neuralgia: Prevention and Management.
Herpes zoster, or shingles, is caused by reactivation of varicella zoster virus, which causes chickenpox. There are an estimated 1 million cases in the Unites States annually, with an individual lifetime risk of 30%. Patients with conditions that decrease cell-mediated immunity are 20 to 100 times more likely to develop herpes zoster. ⋯ Treatment is focused on symptom control and includes topical lidocaine or capsaicin and oral gabapentin, pregabalin, or tricyclic antidepressants. The varicella zoster virus vaccine decreases the incidence of herpes zoster and is approved for adults 50 years and older. The Centers for Disease Control and Prevention's Advisory Committee on Immunization Practices recommends this vaccine for adults 60 years and older, except for certain immunosuppressed patients.
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Cisplatin is an effective chemotherapeutic agent indicated in cancer chemotherapy. However, its clinical use is associated with peripheral neuropathy that invariably impairs patient quality of life. Gabapentin (GBP) is an effective analgesic for neuropathic pain conditions but its clinical efficacy in cisplatin-induced neuropathic pain (CINP) is limited, in addition to generating unwanted side-effects. ⋯ In the rotarod paradigm, GBP at all doses markedly impaired motor performance, whilst GPS was devoid of motor incoordination except at the highest dose, when a mild impairment occurred. Salicylaldehyde alone had no effect on CINP or rotarod performance and neither was there any synergism when coadministered with GBP. These findings suggest that both GBP and GPS have beneficial effects in the neuropathic pain model though GPS may be potentially more useful in the management of CINP.
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Meta Analysis
Meta-Analysis of Stem Cell Transplantation for Reflex Hypersensitivity After Spinal Cord Injury.
Stem cells have been used in novel therapeutic strategies for spinal cord injury (SCI), but the effect of stem cell transplantation on neuropathic pain after SCI is unclear. The current meta-analysis evaluates the effects of stem cell transplantation on neuropathic pain after SCI. We first conducted online searches of PubMed, Web of Science, China Academic Journals Full-text Database, and Wanfang Data for randomized controlled trials that compared stem cell transplantation and vehicle treatments in rodent models of neuropathic pain after SCI. ⋯ In addition, mesenchymal stem cell transplantation was an effective treatment for mechanical, but not thermal reflex hypersensitivity relief in rats. Transplantation showed a positive effect when carried out at 3 or 7days post-SCI. Stem cell transplantation alleviates mechanical reflex hypersensitivity in rats and mice and thermal reflex hypersensitivity in mice after SCI.
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Randomized Controlled Trial
Effect of ketamine combined with magnesium sulfate in neuropathic pain patients (KETAPAIN): study protocol for a randomized controlled trial.
Neuropathic pain is difficult to treat, and the efficacy of recommended drugs remains limited. N-methyl-D-aspartate receptors are implicated, and antagonists are a pharmacological option. Ketamine is widely used in French pain clinics, but without consensus or recommendations. Furthermore, the association of ketamine with magnesium has been poorly studied. The aim of the present study is to evaluate the benefit of ketamine with or without magnesium in refractory neuropathic pain. ⋯ Considering the poor efficacy of the drugs available for neuropathic pain, ketamine with or without magnesium sulfate may be a valuable therapeutic option that needs to be standardized.