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| ID | Type | Description | Link |
|---|---|---|---|
| 2008-A01379-32 | Other Identifier | ID-RCB |
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The aim of this study is to compare analgesic efficacy of two non invasive techniques based on motor cortex stimulation in neuropathic pain patients. High frequency repetitive transcranial magnetic stimulation (HF-rTMS) of primary motor cortex has been demonstrated to induce an analgesic effect significantly different from placebo; this effect is clinically useful if rTMS sessions are applied daily during five consecutive days. Transcranial direct current stimulation (tDCS) is a new approach of non invasive cortical stimulation but its efficacy in neuropathic pain has been not yet established. The investigators propose to compare the analgesic effect of 5 tDCS sessions applied daily to a similar protocol using HF-rTMS. In parallel to the clinical therapeutic evaluation, functional-MRI will be performed before and after the five sessions of rTMS and tDCS, in order to reveal the potential plasticity induced within motor somatotopic map of the primary motor cortex.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| rTMS; tDCS | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Repetitive Transcranial Magnetic Stimulation and Transcranial Direct Current Stimulation | Device | Five sessions of HF-rTMS or tDCS applied daily during 5 consecutive days |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change from Baseline in Pain at the end of the stimulation week Change from Baseline in Pain at the end of the first post-stimulation week Change from Baseline in Pain at the end of the second post-stimulation week | Here the Time Frames : Baseline; 1 week; 2 week; 3 week |
| Measure | Description | Time Frame |
|---|---|---|
| objective evaluation of sleep quality | actimetry measures | Change from Baseline in percentage of sleep time at the end of the stimulation week; at the end of the first post-stimulation week; and at the end of the of the second post-stimulation week |
| subjective evaluation of sleep quality using a numerical auto-evaluation scale |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Service de Neurologie Fonctionnelle et Epileptologie, Hôpital Neurologique de Lyon et Unité " Intégration Centrale de la Douleur ", 1028 Inserm - UCBL | Lyon | 69000 | France |
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| ID | Term |
|---|---|
| D010146 | Pain |
| ID | Term |
|---|---|
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D050781 | Transcranial Magnetic Stimulation |
| D065908 | Transcranial Direct Current Stimulation |
| ID | Term |
|---|---|
| D055909 | Magnetic Field Therapy |
| D013812 | Therapeutics |
| D004599 | Electric Stimulation Therapy |
| D003295 | Convulsive Therapy |
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the patient is asked to evaluate each day the quality of his sleep using a numerical scale from 0 to 10. |
| Change from Baseline in level of tiredness at the end of the stimulation week;at the end of the first post-stimulation week; and at the end of the second post-stimulation week |
| nociceptive and non-nociceptive thresholds | Electrical stimulation of variable intensities applied on the hand | Change from Baseline in nociceptive threshold after the first day of stimulation;after the fifth day of stimulation;Change from Baseline in non-nociceptive threshold after the first day of stimulation;and after the fifth day of stimulation |
| evaluation of motor cortex plasticity | displacement of activation locus found after voluntary movements; comparison of the plastic and analgesic effects of rTMS or tDCS | Change from Baseline in three-dimensional location of the activation peaks at the end of the stimulation week |
| D013000 |
| Psychiatric Somatic Therapies |
| D004191 | Behavioral Disciplines and Activities |
| D004597 | Electroshock |
| D011580 | Psychological Techniques |