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Active clinical trials for "Neuralgia"

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Effects of Hydrotherapy on Neuropathic Pain and Pain Catastrophization in Spinal Cord Injury

Neuropathic PainSpinal Cord Injuries

Spinal Cord Injury (SCI) is a spinal cord injury of traumatic origin with its main etiology being violence, which constitutes one of the greatest social and health problems worldwide. One of the complications with the greatest impact in people with SCI is Neuropathic Pain (NP). Pain, mainly chronic pain, has an effect on emotional states, cognition regarding pain and anticipation which leads to the catastrophization of the pain. This form of pain is related to chronic diseases that develop with pain of poor prognosis and are detrimental to quality of life therefore having enormous impacts on health systems. The physiological mechanisms of Hydrotherapy on pain are clear and there is evidence of its use in the management of painful syndromes of difficult treatments such as that for fibromyalgia and chronic lumbar pain, as well as its positive effect on pain perception. However, the effects of hydrotherapy on the NP of patients with SCI are unknown. Randomized, controlled clinical trial of parallel groups. A randomized sequence will be carried out in balanced blocks to assign the intervention (Hydrotherapy) or the control (Standard Physical Therapy), to a sample of 28 participants, 14 for each group. Each of the interventions (hydrotherapy and physical therapy) will last 9 weeks, for a total of 18 sessions (2 weekly sessions). Two measurements will be made, baseline (pre-intervention) and a second time one month after the end of the intervention. The validated Spanish scales will be used: NP-4 (NP Screening), Numerical Pain Scale (END), PCS (Pain Catastrophization), SF-36 (Health-related quality of life) and WHODAS 2.0 (Disability). The primary outcome is the level of NP and its catastrophization, and the secondary outcomes are level of disability and quality of life. With 28 participants fully measured, it is possible to have 80% power to find differences between the groups with respect to the primary outcomes. All information will be analyzed using average comparisons with 95% confidence. The analysis will be carried out by Intention to Treat (ITT) taking all the randomized participants. Missing data will be processed through multiple imputation chains. Generalized mixed linear models will be used comparing the standardized baseline and post-intervention averages of each group and between each group, obtaining 95% confidence intervals and p-values. Subgroup analysis will be performed adjusting confounders and interactions. A significant difference will be considered when the value of p is less than 0.05. Cohen´s D will be calculated to identify the size of the intervention effect. Discussion: The results will reflect the effect of the hydrotherapy on NP in patients with SCI. They will also permit the identification of potential changes in functionality levels or quality of life in the intervened population.

Unknown status11 enrollment criteria

Pregabalin add-on for Neuropathic Pain in Cervical Myelopathy

PainNeuropathic

There is no information on the effect of pregabalin in patients with neuropathic pain in cervical myelopathy under routine clinical practice. The investigators will conduct this prospective, randomized trial to determine the efficacy of pregabalin for neuropathic pain in cervical myelopathic patients in order to validate or refute this popular practice. The primary aim of this study was to compare Leeds assessment of neuropathic symptoms and signs scale (LANSS) scores of neuropathic pain in cervical myelopathy patients.

Unknown status9 enrollment criteria

Intrathecal Ziconotide Antalgic Efficacy for Severe Refractory Neuropathic

Severe Refractory Neuropathic PainSpinal Cord Lesions

Spinal cord injury (SCI) has an average prevalence of 50 per 100.000 in general population (30.000 patients with SCI in France) with estimates of the overall prevalence for severe neuropathic pain ranges from 30 to 51% (up to 10.000 patients in France). Patients with such spinal lesions may develop neuropathic pain called sublesional pain as perceived in an area below the level of injury. A second type of pain is at level of injury, i.e. perceived in a segmental pattern within the dermatome corresponding the spinal cord and nerve roots. These two types of pain are very harmful and are notoriously difficult to treat probably because of complex pathogenic mechanisms due to abnormal functioning of deafferented spinal and supraspinal nociceptive neurons. Opioids, whatever be the route of administration, had demonstrated their inefficacy for these patients as well as several surgical techniques. So, chronic pain in relation with spinal lesion can be defined as real refractory pain. Synaptic release of neurotransmitters is dependent on calcium intake trough voltage dependent channels. Type 2.1 or N-Type channels are specific for nociceptive system and can be blocked by a peptic neurotoxin: Ziconotide. Blocking these specific calcium channels neuromodulates nociception. Intrathecal use of Ziconotide, bringing the active molecule close to its receptors, has a proven clinical impact for a wide variety of pain (4). The intrathecal Ziconotide (ITZ) infusion using an implanted pump is validated for treatment of pain refractory to systemic analgesics (HAS, avis du 14-27 mai 2008). Meanwhile, no data are available in literature on positive effects of ITZ on specific spinal neuropathic pain. A pilot study was performed by the coordinator team using ITZ on 12 patients with spinal pain: 8 patients had > 40% decrease of pain on numeric scale, 6 patients beneficiated from implanted pump allowing chronic ITZ treatment inducing 60% numeric scale decrease in average with 1 year follow-up. Therefore intrathecal Ziconotide could be an excellent candidate for the treatment of spinal pain where the pain generators may be difficult to target by other available treatments. This study is the first to assess ITZ (as IT antalgic monotherapy) versus placebo with a randomized controlled study with long follow-up. Trials have already been performed but not specially targeted spinal pain, and did not exceed three weeks follow-up. Long term effects of Ziconotide on memory, cognition and mood have not been evaluated. In fact even though short term adverse effects on higher level functions have been described they have not been assessed in a placebo controlled situation. Moreover, treating (successfully or not) patients with spinal pain could bring valuable insights both into the mechanisms of pain production in SCI patients and in the mechanisms of Ziconotide action: a positive result on pain below the injury level would imply action on the second or third order synapses of the nociceptive pathways. Similarly an effect at the level of pain, in absence of an effect below the level pain would argue discussion against such action. The impact of ITZ on the different clinical components of pain experienced by the patients, could also give some data on neuromodulation mechanism induced by the therapy.

Unknown status22 enrollment criteria

Sham-Controlled RCT on 10kHz High-Frequency Spinal Cord Stimulation for Chronic Neuropathic Low...

Chronic Low Back PainNeuropathic Pain1 more

Multicentre, randomised, double-blinded, sham-controlled trial with parallel economic evaluation. Patients will be allocated 1:1 to activated 10kHz SCS plus usual care (intervention) or sham 10kHz SCS plus usual care (control) and followed up to 6 months.

Unknown status22 enrollment criteria

Clinical Study on the Improvement of Diabetic Neuropathic Pain by Liraglutide

Diabetic Neuropathic Pain

Diabetic neuropathic pain is a common clinical manifestation of diabetic neuropathy, which seriously affects the quality of life of patients. The clinical treatment is limited and the curative effect is not good. In the previous animal studies, investigators found that the change of pain threshold in diabetic rats showed a staged change, and was significantly related to the change of brain microglia activity. It was confirmed that liraglutide could regulate the activation of microglia in vitro. Then investigators found that it could intervene diabetic neuropathic pain through the intervention of liraglutide in diabetic rats. In the early stage of clinical observation, the investigators also preliminarily observed that liraglutide can intervene diabetic neuropathic pain. At present, liraglutide is a commonly used hypoglycemic drug in clinic. Therefore, on the basis of previous studies, this study intends to select diabetic neuropathic pain patients whose blood sugar is not up to the standard, and give Mecobalamin to treat diabetic neuropathy. In addition, on the basis of the original hypoglycemic treatment, participants are randomly divided into one group to give liraglutide, one group to increase or adjust insulin, with similar blood glucose level. The improvement of diabetic neuropathic pain was observed. The aim of this study was to evaluate the safety and efficacy of liraglutide in improving diabetic neuropathic pain.

Unknown status2 enrollment criteria

Comparative Study inTreatment of Trigeminal Neuralgia

Trigeminal Neuralgia

This study aims to evaluate the results of percutaneous radiofrequency rhizotomy and the effectiveness of microvascular decompression for the treatment of trigeminal neuralgia and Comparing between them according the different outcome parameters.

Unknown status3 enrollment criteria

Leech Therapy for Postherpetic Neuralgia

Postherpetic Neuralgia

The purpose of this study is to investigate, whether leech therapy for the treatment of postherpetic pain improves pain and sensory function. Therefore 20 patients with PHN undergoing leech therapy at the investigators outpatient clinic will be included in this observational trial.

Terminated5 enrollment criteria

Tapentadol Versus Oxycodon - a Mechanism-based Treatment Approach in Neuropathic Pain

Peripheral Neuropathy

The purpose of this study is to elucidate whether the additional mechanism of analgesia, i.e. reuptake inhibition of norepinephrine, of tapentadol leads to a change in different pain signs and symptoms in comparison to oxycodone.

Terminated3 enrollment criteria

Intravenous Immunoglobulin (IVIG) for Resistant Neuropathic Pain

Neuropathic Pain

This project addresses a vexing problem that has alluded the best efforts of the medical/scientific community: treatment of resistant neuropathic pain. Neuropathic pain is common and includes conditions such as diabetic neuropathy, post herpetic neuralgia and post stroke pain and is believed to affect at least 3% of adults. Surveys of patients with neuropathic pain indicate that 60% do not receive adequate relief with current treatment. Results from recent laboratory and human studies reveal a new approach to treatment. This approach is based on the findings that neuroinflammation appears to be involved in development and maintenance of neuropathic pain. This study explores the effects of an immune-modulating blood-derived product, intravenous immunoglobulin (IVIG), in treating neuropathic pain. IVIG is thought to reduce neuroinflammation contributing to neuropathic pain. If successful, the study will provide important insights into pain mechanisms and a better understanding of how IVIG relieves neuropathic pain. Hypotheses: Reduction in neuroinflammation (NI) markers will co-vary with clinical indicators of pain relief Patients with higher levels of markers of NI will be more likely to respond to IVIG

Unknown status14 enrollment criteria

Dose-Finding Study of REN-1654 in Patients With Post-Herpetic Neuralgia

NeuralgiaShingles1 more

The purpose of this study is to gain initial safety and efficacy data on the experimental agent REN-1654 in patients with painful post-herpetic neuralgia (PHN).

Unknown status25 enrollment criteria
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