RCT Study of the Gelstix™ Device to Treat Chronic Discogenic Low Back Pain GelStix Study

Inclusion Criteria: * discogenic pain caused by one or two levels of degenerative disc disease, confirmed by MRI and positive discography * failure to have symptoms resolved or reduced following at least 12 weeks of conservative care (pain medication and/or physical therapy) * negative medial branches block results * baseline Numeric Rating Scale (NRS) pain score ≥5/10 Exclusion Criteria: * radiculopathy * disc herniations * annular tear (greater than Grade 4 Modified Dallas Grading) * coagulopathy or oral anticoagulant therapy (except low-dose acetylsalicylic acid) in conditions that do not allow for a temporary discontinuation * previous lumbar surgery * disc height less than 5 mm at the treatment level or less than 50% the original height * BMI (Body Mass Index (kg/m2) of ≥ 35