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Evaluation of Occipital Nerve Stimulation in Intractable Occipital Neuralgias (StimO)

N

Nantes University Hospital (NUH)

Status

Terminated

Conditions

Occipital Neuralgia

Treatments

Other: Optimal Medical Management
Device: Occipital nerve stimulation

Study type

Interventional

Funder types

Other

Identifiers

NCT03475797
RC17_0013

Details and patient eligibility

About

Medically intractable pain caused by occipital neuralgia can be very difficult to control with traditional pain management. Peripheral nerve stimulation which is used in migraines and cluster headache can be an alternative for these patients with occipital neuralgias when medical treatment and traditional pain management have failed (drugs for neuropathic pain, infiltrations, psychobehavioral approaches and multidisciplinary approach in a pain center). Occipital nerve stimulation consists to put a lead subcutaneously in front of the occipital nerve and to connect the lead to a pulse generator. A retrospective study of 60 patients was conducted in Nantes University Hospital. The results were good with the Visual Analog Scale (VAS) decreased from 8.4 preoperatively to 2.85 postoperatively. The medical quantification scale (MQS) was reduced to about 50% (18 preoperatively versus 9.9 postoperatively). Stimulation was quiet stable over time with a mean follow-up of 24 months (range 6 to 72 months). The aim of StimO is to confirm this result through a national controlled randomized multicenter study where occipital nerve stimulation will be compared to the optimal medical management.

Enrollment

22 patients

Sex

All

Ages

18 to 85 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patients between 18 and 85 years old
  • Chronic occipital neuralgias as defined by International Headache Society (IHS) more than 6 months with permanent pain associated or not with paroxysm
  • Secondary occipital neuralgias (post-traumatic, post-surgery, major arthrosis, compression or lesion of the occipital nerve ...)
  • Chronic neuropathic pain according to the Neuropathic Pain Diagnostic Questionnaire (DN4 ≥ 4)
  • Maximum pain on VAS ≥ 50/100
  • Failure of medical treatment (association of neuropathic medication like antiepileptic and/or antidepressant and/or antalgic treatment like paracetamol, tramadol or morphine) and pain management in a pain Unit including multidisciplinary approach, physiotherapy, block test in C1-C2, radiofrequency rhizolysis, and/or corticosteroid infiltration of C2 according to the criteria defined by Health Authorities for spinal cord stimulation.
  • Reduction of pain with Transcutaneous Electrical Nerve Stimulation (TENS) in occipital area
  • Neurological examen has to be completed and must be normal except for the occipital neuralgia territory
  • A negative pregnancy test for women with childbearing potential
  • Women of childbearing potential must use appropriate method(s) of contraception during the clinical trial
  • Patients must be capable of giving informed consent and must have signed informed consent
  • Affiliation to an appropriate health insurance

Exclusion criteria

  • Contraindication to the experimental medical devices
  • Titanium related allergies
  • Patients with contraindications to general anesthesia
  • Complete anaesthesia in the C2/Great occipital nerve territory
  • Drug or alcohol addiction
  • Psychiatric disorders (psychiatric evaluation)
  • Any medical or psychological problems which may interfere with a smooth conduction of the study protocol (e.g. cancer with a limited life expectancy)
  • Need for intensive nursing care
  • Difficulty in follow-up
  • Pregnant or lactating women
  • Women not using contraception
  • Adults under a legal protection regime (guardianship, trusteeship, "sauvegarde de justice")
  • Exclusion period for another study
  • Simultaneous participation in another clinical trial except if that other trial does not affect the StimO study as approved and documented by the sponsor

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

22 participants in 2 patient groups

Occipital Nerve Stimulation (ONS)
Experimental group
Description:
Occipital nerve stimulation with percutaneous or surgical lead plus optimal medical management
Treatment:
Other: Optimal Medical Management
Device: Occipital nerve stimulation
Optimal Medical Management (OMM)
Active Comparator group
Description:
Optimal Medical Management according to what is done in routine clinical practice
Treatment:
Other: Optimal Medical Management

Trial contacts and locations

10

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Data sourced from clinicaltrials.gov

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