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Pain Phenotyping in Patients With Neuropathic Pain After Spinal Cord Injury

Recruitingn/aAges 18 Years - 80 YearsAllUniversity of Zurich
NCT06443281 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The development of neuropathic pain is one of the most debilitating sequels after a spinal cord injury (SCI). The overall aim of this study is to investigate potential underlying pathophysiological mechanisms of neuropathic pain after SCI. The functionality of the nociceptive pathway in humans as well as its plastic changes following SCI will be inferred with sophisticated sensory and pain phenotyping using quantitative sensory testing (i.e., psychophysical measures), objective neurophysiological measures of pain processing and the recording of pain-related autonomic responses (i.e., galvanic skin response, cardiovascular measures and pupil dilation). In addition, the interplay between the somatosensory and autonomic nervous system and its association with the development and maintenance of neuropathic pain after SCI will be investigated.

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📋 Eligibility rules (as published)
Inclusion Criteria: * Spinal injury cohort - general inclusion criteria: * Aged between 18-80 years * Traumatic and non-traumatic etiology * Para- and tetraplegic SCI * Complete and incomplete SCI * SCI with and without neuropathic pain * Additional inclusion criteria for longitudinal study: * SCI since less than one month * Additional inclusion criteria for cross-sectional study: * SCI since more than one year * Control cohorts with peripheral neuropathy: * General inclusion criteria: * Aged between 18-80 years * Neurological disorder affecting the peripheral nervous system (i.e., peripheral neuropathy) * Peripheral neuropathy with or without neuropathic pain * Additional inclusion criteria for longitudinal study: * Peripheral neuropathy since less than one month * Additional inclusion criteria for cross-sectional study: * Peripheral neuropathy since more than one year * Control cohorts without neuropathy / healthy volunteers * General inclusion criteria: * Aged between 18-80 years * No medical condition affecting the peripheral and/or central nervous system (e.g., pain, systemic disease, psychological disorder) Exclusion Criteria: * Inability to follow study instructions * Pregnancy * Medically manifested psychological disorder * Medical condition affecting the peripheral and/or central nervous system other than the desired experimental condition (e.g., additional peripheral neuropathy in the SCI cohort)
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What it tests

  • Neurophysiology
  • Cardiovascular test
  • Experimental pain paradigms
  • Quantitative sensory testing
  • Clinical pain phenotype
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Where

1 site
Balgrist University Hospital
Zurich, Switzerland
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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