Evoked Fields After Median and Ulnar Stimulation
CompletedNCT00217243
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This study has no listed site in Canada in this snapshot. It is included as part of the worldwide chronic pain corpus.
Brief summary (from the registry)
In order to be able to study the effects of evoked fields with magnetoencephalography (MEG) in two groups of patients, comparison is made with a group of healthy volunteers.
Study details
- Official title
- Evoked (Magnetic) Cortical Fields for the Comparative Study of Mechanisms Underlying Chronic Non-malignant Pain in Peripheral Nerve Injury (CRPS II) and CRPS I (Chronic Regional Pain Syndrome I)
- Conditions
- Interventions
- Other: Evoked fields before and after a local block (Xylocaine)
- Sponsor
- Medical Center Alkmaar
- Collaborators
- Rudolf Magnus Institute - University of Utrecht; Technical University of Twente; VU University of Amsterdam; Dept. of Clinical Neurophysiology - VU University Hospital Amsterdam; Human Brain Mapping and Cortical Imaging Laboratory, Centre for Sensory - Motor Interaction,; Aalborg University
- Start date
- 2005-06
- Sex
- All
- Age range
- from 17 Years to 70 Years
- Healthy volunteers
- true
- Results posted
- No results posted in this snapshot
- Countries
- Netherlands
- Total sites listed
- 1
Eligibility criteria
Show eligibility criteria (verbatim from the registry)
Inclusion Criteria: CRPS I: * (Absolute) functio laesa, secondary pain and cold sensations * (Relative) abnormal skin colour, allodynia, hyperalgesia, hyperpathia, hyperhydrosis,oedema, increased nail growth, increased hair growth. (At least 4 need to be present). CRPS II: * All the previous but evidence of traumatic peripheral nerve injury. Exclusion Criteria: * General condition * Pregnancy * Technical implants (pacemaker, SCS: disturbs MEG)
Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status. Record: https://clinicaltrials.gov/study/NCT00217243