Clinical Research Directory

Inclusion Criteria: * Low back pain (≥ 6 months) with or without pain radiating to the legs or radiating to the neck * Positive medial branch blocks, suggesting that the pain originates from the lumbar facet joints * Average pain intensity of ≥ 3/10 in the 24-hour period before the initial visit * Pain primarily localized in the lower back Exclusion Criteria: * Inadequate pain relief or relief of less than three months following selective thermoablation of medial lumbar branches by radiofrequency * Neurological, cardiovascular, or pulmonary disorders * Comorbid pain syndrome * History of surgical intervention in the back * A corticosteroid infiltration within the past year * Pregnancy (current or planned during the course of the study) * Contra-indication to Magnetic Resonance Imaging (MRI)