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Active clinical trials for "Hyperalgesia"

Results 141-147 of 147

MR Spectroscopy as a Diagnostic and Outcome Measure in Pain and SCI

Spinal Cord InjuryHyperalgesia2 more

The goal of this study is to compare the changes that occur in sensation and chemical properties of the brain following SCI between individuals that experience chronic pain and those that do not, and between those with SCI and the able-bodied.

Completed22 enrollment criteria

Hyperalgesia and NMDA Receptor Antagonist

Pain

NMDA receptor is administered and postoperative remote hyperalgesia is investigated.

Unknown status2 enrollment criteria

Effect of High-dose Naloxone Infusion on Pain and Hyperalgesia in Patients Following Groin-Hernia...

Central Nervous System SensitizationPain1 more

Recent studies have focused on the role of endogenous opioids on central sensitization. Central sensitization is known to be impaired or altered in chronic pain conditions, as fibromyalgia or chronic tension headache. Animal studies have shown reinstatement of mechanical hypersensitivity following naloxone administration after resolution of an injury. This suggests latent sensitization. In the present study, investigators hypothesize that a high-dose target-controlled naloxone infusion (total dose: 3.25 mg/kg) can reinstate pain and hyperalgesia 6-8 weeks after a unilateral primary open groin hernia repair procedure. Investigators aim to show that latent sensitization is present in humans and is modulated by endogenous opioids.

Unknown status22 enrollment criteria

Comparison of Remifentanil-induced Postoperative Hyperalgesia Between Patients From Plain Area and...

PainPostoperative1 more

Purpose: To compare the incidence of postoperative hyperalgesia induced by remifentanil in patients undergoing gynecological laparoscopic surgery in plateau and plain areas To compare the peri-operative analgesic requirements of patients in plain and plateau areas

Unknown status11 enrollment criteria

GentleCath Air (Urinary Self-catheterization) - Pain in Female Patients With Neurological Vesico-sphincter...

Spinal Cord InjuriesMultiple Sclerosis2 more

The purpose of this study is to evaluate the rate of occurrence of urethral pain in female patients with neurological vesico-sphincter disorders whilst performing self-catheterization using GentleCath™ Air catheters.

Withdrawn6 enrollment criteria

Brain-derived Neurotrophic Factor Participates in Visceral Hyperalgesia in Irritable Bowel Syndrome...

Irritable Bowel Syndrome

Brain-derived neurotrophic factor (BDNF), originally known to be a member of the nerve growth factor family, has aroused attention as a modulator in visceral hyperalgesia recently. Visceral hypersensitivity is recognized as a clinical hallmark in IBS patients. So in this study, the investigators will focus on the role of BDNF in colonic hyperalgesia in IBS patients.

Unknown status2 enrollment criteria

Validation of a Questionnaire for Allodynia in Migraine.

Migraine

Migraine is very frequent (15% of the general population). During attacks, many subjects with migraine have allodynia (pain induced by normally non-painful stimuli), photophobia (hypersensitivity to light), phonophobia (hypersensitivity to sound) or osmophobia (hypersensitivity to odours). The goal of the present study is to validate a new questionnaire made of 4 parts evaluating the presence of these 4 types of hypersensitivity, both during or between migraine attacks. It will allow to look for associations of these 4 symptoms and association of hypersensitivity with patients' or migraine's characteristics.

Unknown status7 enrollment criteria
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