This study will investigate the efficacy and safety of "deep" rTMS on neuropathic pain or fibromyalgia. It will be randomized and sham controlled and will last 3 months. Patients will be randomized to receive acctive rTMS or sham rTMS and will receive repeated rTMS sessions (5 daily sessions then one session per week then every 2 to 3 weeks for up to 10 weeks).
This double blind sham controlled parallel group bicenter study will assess the efficacy and safety of repeated sessions of deep rTMS using H coil in patients with neuropathic pain or fibromyalgia. Primary outcome will be % of pain relief at week 13.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
100
This brain neurostimulation method targets the motor cortex bilaterally
This brain sham neurostimulation method targets the motor cortex bilaterally
Inserm U987
Boulogne-Billancourt, France
RECRUITINGCentre d'Evaluation et de Traitement de la douleur
Paris, France
NOT_YET_RECRUITINGEffects of rTMS versus sham rTMS on pain relief at 13 weeks
Pain relief scale from the Brief Pain Inventory rated from 0 to 100 %
Time frame: 13 weeks
Effects of rTMS vs sham on average pain intensity
Average pain intensity from the Brief Pain Inventory rated from 0 to 10 on a 0-10 numerical pain scale
Time frame: Each follow up visit at the pain center for up to 13 weeks
Effects of rTMS vs sham on pain interference
pain interference from Brief Pain Inventory rated from 0 to 70 (total score)
Time frame: Baseline then each follow up visit at the pain center for up to 13 weeks
Effects of rTMS vs sham on quality of life
Euroqol scale which includes 5 dimensions of quality of life and a 0-100 visual analog scale
Time frame: Baseline then each follow up vist at the pain center for up to 13 weeks
Side effects of rTMS or sham
Any side effects reported by the patients assessed at each visit after each treatment session and rated as mild, moderate or severe
Time frame: Each follow up visit at the pain center for up to 13 weeks
Comparison of the efficacy of rTMS on the primary outcome between patients with neuropathic pain and fibromyalgia
Comparison of both populations on the pain relief scale from the Brief Pain Inventory (0-100 %)
Time frame: Week 13
Blinding assessment
Blindinq questionnaire at 13 weeks(end of the study)
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Time frame: 13 weeks
Patient global impression of change
Patient global impression of change at 13 weeks (from much improved to much deteriorated)
Time frame: 13 weeks
Self-reported pain intensity
Average pain intensity from past 24 hours based on 0-10 numerical pain scale
Time frame: Baseline then every day at the same time of day (morning or evening)
Effects of rTMS versus sham on anxiety and depressive symptoms
Anxiety and depressive symptoms of the Hospital Anxiety and Depressive scale rated from 0 to 21 for anxiety and 0 to 21 for depression
Time frame: Baseline then each follow up visit at the pain center for up to 13 weeks
Effects of rTMS vs sham on pain as its worst from Brief Pain Inventory
pain intensity on 0-10 numerical rating scale
Time frame: Baseline then each follow up visit at the pain center for up to 13 weeks
Effects of rTMS vs sham on pain as its least from Brief Pain Inventory
pain intensiy on 0-10 numerical rating scale
Time frame: Baseline then each follow up visit at the pain center for up to 13 weeks
Effects of rTMS vs sham on sleep
Sleep assessed using the sleep scale from the Medical Outcome Survey
Time frame: Baseline then each follow up visit at the pain center for up to 13 weeks
Effects of rTMS vs sham on pain right now from Brief Pain Inventory
pain intensiy on 0-10 numerical rating scale
Time frame: Baseline then each follow up visit at the pain center for up to 13 weeks
Effects on Global Impression of change assessed by the clinician
Clinician global impression of change (from much improved to much deteriorated)
Time frame: 13 weeks (end of the treatment)