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Postherpetic neuralgia (PHN) is often associated with pain and sensory changes and is the leading type of neuropathic pain in modern clinical pain research. It is characterized by a variety of sensory patterns, which may be categorized into "irritable nociceptor" and "impairment of nociceptor". At date, several lines of evidence lead to the assumption, that mechanical hyperalgesia in PHN is based - at least in part - on central nervous processes of sensitization.
In animal studies the investigators have discovered a previously unrecognized effect of opioids, the reversal of long-term potentiation (LTP) at C-fibre synapses, i.e. an opioid-induced depotentiation. In principle, synaptic depotentiation may be permanent or transient. In our study the clinically used ultra-short acting MOR agonist remifentanil normalized synaptic strength after wash-out of the drug. At present it is not known whether opioid-induced depotentiation can be used to the benefit of pain patients.
The aim is to study the hypothesis, that pain in a group of PHN patients with predominant mechanical hyperalgesia is reversed by intravenous remifentanil at a plasma target concentration of 18ng/ml (corresponding to about 0.75 µg/kg/min) for 60 minutes compared with PHN patients of other sensory types.
Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science
General Hospital Vienna, Medical University of Vienna
Not yet recruiting
Medical University of Vienna
Published on BioPortfolio: 2014-08-27T03:14:39-0400
Gabapentin and pregabalin are treatments for some types of neuropathic pain, including postherpetic neuralgia (PHN). However, these treatments usually need to be taken 3 times a day for ef...
Gabapentin and pregabalin are treatments for some types of neuropathic pain, including postherpetic neuralgia (PHN). However, these treatments usually need to be taken 3 times a day for e...
The purpose of this study is to determine whether KAI-1678 is effective in the treatment of postherpetic neuralgia pain
The purpose of this study is to test the safety and effect of MK0759 in relieving neuropathic pain as experienced by patients with postherpetic neuralgia (PHN).
The objective of the trial is to investigate the analgesic efficacy of SPM 927 in subjects with moderate to severe neuropathic pain due to Postherpetic Neuralgia (PHN)
To estimate the incidence and burden of postherpetic neuralgia (PHN) and to investigate risk factors for PHN in the Valencia Region of Spain.
Postherpetic neuralgia (PHN) is a nerve pain disease usually controlled by different therapies, i.e., topical therapies, antiepileptics, analgesics, antipsychotics, antidepressants, anti-dementia drug...
This study evaluates the analgesic efficacy and emotional response of intravenous lidocaine infusion compared with placebo in patients with postherpetic neuralgia(PHN).
To survey (a) the frequency of the use of patient-controlled analgesic remifentanil-PCA during labour in the Netherlands; (b) considerations by obstetricians whether or not to offer remifentanil-PCA; ...
Patient-controlled analgesia using remifentanil (remifentanil PCA) has been used as a new form of pain relief during labour since soon after its release on the market. Reduction in pain scores lasts f...
An antiviral that is used in the prophylactic or symptomatic treatment of influenza A. It is also used as an antiparkinsonian agent, to treat extrapyramidal reactions, and for postherpetic neuralgia. The mechanisms of its effects in movement disorders are not well understood but probably reflect an increase in synthesis and release of dopamine, with perhaps some inhibition of dopamine uptake.
Pain in nerves, frequently involving facial SKIN, resulting from the activation the latent varicella-zoster virus (HERPESVIRUS 3, HUMAN). The two forms of the condition preceding the pain are HERPES ZOSTER OTICUS; and HERPES ZOSTER OPHTHALMICUS. Following the healing of the rashes and blisters, the pain sometimes persists.
Intense or aching pain that occurs along the course or distribution of a peripheral or cranial nerve.
Neuralgic syndromes and other conditions which feature chronic or recurrent FACIAL PAIN as the primary manifestation of disease. Disorders of the trigeminal and facial nerves are frequently associated with these conditions.
Pain associated with a damaged PUDENDAL NERVE. Clinical features may include positional pain with sitting in the perineal and genital areas, sexual dysfunction and FECAL INCONTINENCE and URINARY INCONTINENCE.
Pain is defined by the International Association for the Study of Pain as “an unpleasant sensory and emotional experience associated with actual or potential tissue damage or described in terms of such damage”. Some illnesses can be excruci...
An anesthesiologist (US English) or anaesthetist (British English) is a physician trained in anesthesia and perioperative medicine. Anesthesiologists are physicians who provide medical care to patients in a wide variety of (usually acute) situations. ...