Articles: neuralgia.
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This comprehensive review of pain in paraneoplastic neurological syndromes focuses on current mechanisms that lead to pain, including autoimmune processes as well as the systemic secretion of factors that sensitize nociceptive nerves. Systemic secretion of functional molecules is a well-recognized phenomenon in endocrine paraneoplastic syndromes; however, cancer pain research has predominantly focused on cytokine-nerve interactions in the tumor microenvironment, and few groups have applied the molecular mechanisms of local pain to study widespread neuropathic pain resulting from systemic secretion. We present a novel perspective in the field of pain research by converging data from clinical oncology with recent molecular pain research on cytokine-mediated sensitization of nociceptive nerves. ⋯ Paraneoplastic neurologic syndromes, chronic pain, neuropathic pain, treatment guidelines, cytokines.
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Case Reports
Spinal cord stimulation in the treatment of neuropathic pain in chronic inflammatory demyelinating polyneuropathy.
We describe a case of a 70-year old man with sensorimotor chronic inflammatory demyelinating polyneuropathy (CIDP) with small-fibre involvement resulting in severe diffuse neuropathic pain which was refractory to immunotherapy and anti-neuropathic medication. His pain was successfully treated with implantation of a spinal cord stimulation (SCS) system comprising bilateral cervical and lumbar epidural leads. ⋯ However, this is the first report to our knowledge of SCS utilised effectively for pain in CIDP. This therapy should be considered in painful CIDP for neuropathic pain refractory to medical management, though further studies are required to evaluate its efficacy.
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J Pain Palliat Care Pharmacother · Sep 2019
Case ReportsKetamine: When Delirium and Desperation Call for a Hero.
The use of ketamine in palliative care is becoming more common for challenging symptom management, namely cancer related pain and psychiatric conditions. However, there is much that remains unstudied and uncertain about ketamine's clinical utility. ⋯ Despite concerns regarding baseline delirium we successfully used ketamine to better manage neuropathic pain, decrease overall opioid need, without exacerbating the preexisting delirium. Our case highlights the benefits of ketamine for neuropathic pain control in the face of delirium.
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J Diabetes Investig · Sep 2019
Randomized Controlled Trial Multicenter StudyMirogabalin for the treatment of diabetic peripheral neuropathic pain: A randomized, double-blind, placebo-controlled phase III study in Asian patients.
This study evaluated the efficacy and safety of mirogabalin, a novel, potent, selective ligand of the α2 δ subunit of voltage-dependent Ca2+ channels, for the treatment of diabetic peripheral neuropathic pain (DPNP). ⋯ Mirogabalin relieved DPNP in a dose-dependent manner; mirogabalin 30 mg/day showed statistically significant pain relief (vs placebo) in Asian DPNP patients. All doses of mirogabalin tested were well tolerated.