About this trial
This study concerns the treatment of recent lumbago and aims to evaluate the efficacy of an anesthetic block of the erector spinae muscles combining ropivacaine and dexamethasone. This treatment is routinely used in several institutions in France, but has never been the subject of a randomized placebo-controlled study to assess its efficacy at D4 of treatment.
The BLOCLOMB comparative, randomized, double-blind study aims to validate the efficacy, over the first 4 days, of anesthetic blocks of the erector spinae muscles, during recent lumbago, on the pain of muscular contractures.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patient with lumbago lasting less than 7 days despite analgesic / NSAID treatment.
Patient with NS pain > 6
Patient with Oswestry score > or equal to 30
Patient informed of the trial and having signed the informed consent form prior to any trial-specific procedure,
Disqualifiers
Motor deficit or signs of horsetail irritation
Inflammatory pain waking up in the 2nd half of the night
Tumoral context
Infectious context or fever
Trial design
Parallel
Treatments tested in this trial
Ropivacaine and dexamethasone injection solution
DrugInjection of Ropivacaine and dexamethasone
Sodium Chloride 0.9% Injection Solution
DrugInjection of sodium chloride 0.9%
Treatment groups
Trial outcomes
Primary outcomes
Lumbar pain in activity
Area under the curve of lumbar pain in activity measured by the patient on a numeric scale (from 0=no pain, and 10=unbearable pain)
Secondary outcomes
Consumption of concomitant lumbago treatments
Recording of analgesics and NSAIDs, physiotherapy, manipulations, open surgery, etc
Lumbar pain at rest
Lumbar pain measured by the patient on a numeric scale
Lumbar pain in activity
Lumbar pain measured by the patient on a numeric scale
Lumbar pain at rest
Area under the curve of lumbar pain at rest measured by the patient on a numeric scale