Chronic Pain Clinical Trial
— SENS-MAPOfficial title:
Sensory Mapping of Lumbar Facet Joint Pain
NCT number | NCT03323775 |
Other study ID # | 2/107/17 |
Secondary ID | |
Status | Completed |
Phase | |
First received | |
Last updated | |
Start date | November 10, 2017 |
Est. completion date | April 30, 2018 |
Verified date | July 2018 |
Source | University of Aberdeen |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
Low back pain is a major contributor to the chronic pain burden in the community. Although
there are numerous pain generators in the spine, lumbar facet joints are one of the most
common sources of pain. A variety of measures such as physiotherapy, oral analgesics and
minimally invasive injections are used to treat lumbar facet joint pain.
Facet joint steroid injections and radiofrequency denervations of the facet joint are the
most commonly performed minimally invasive pain procedures for lumbar facet joint pain.
Radiofrequency denervation is carried out by thermal lesioning of the medial branches that
supply the facet joints. Conventionally two medial branches have been shown to innervate one
facet joint and based on this, the norm is to lesion two nerves to denervate one facet joint.
However, there is some variation in the nerve supply which may account for failure or false
negative results of the diagnostic blocks.
The aim of the present study is to explore the feasibility of sensory mapping, thereby
referral pattern of the lumbar medial branches using suprathreshold stimulation and to
correlate the referral patterns with painful areas in the back and leg. It will also test if
the present method of lesioning two nerves to denervate one facet joint is appropriate.
Status | Completed |
Enrollment | 15 |
Est. completion date | April 30, 2018 |
Est. primary completion date | April 30, 2018 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 80 Years |
Eligibility |
Inclusion Criteria: -Patients scheduled for radiofrequency denervation of lumbar medial branches and L5 dorsal ramus after adequate response to diagnostic testing Exclusion Criteria: - Unable to understand and comprehend the information given in English - Inability to complete pain diagram |
Country | Name | City | State |
---|---|---|---|
United Kingdom | University of Aberdeen/NHS Grampian | Aberdeen | Scotland |
Lead Sponsor | Collaborator |
---|---|
University of Aberdeen | NHS Grampian |
United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Stimulation of the target nerves. | Self reported estimate of percentage coverage of pain reproduction by stimulation | Up to one hour after stimulation |
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