Regenexx™ PL-Disc Versus Steroid Epidurals for Lumbar Radiculopathy

Inclusion Criteria: * Pain, spasm, or functional disability in the low back and diagnosed as radiculopathy having failed conservative treatment (e.g. NSAIDs, physician initiated physical therapy) for at least 3 months and not longer than 2 years * Significant functional disability related to pain, lack of strength, or other back or leg symptoms * Physical examination consistent with lumbar radiculopathy * Lumbar disc bulge, herniation, and/or Kader grade 2 or greater multifidus atrophy evident on MRI and consistent with physical exam findings * Is independent, ambulatory, and can comply with all post-operative evaluations and visits Exclusion Criteria: * Symptomatic central or foraminal stenosis * Previous low back surgery * Prior epidural steroid injection or other low back injection therapy within the past year * \>50% loss of disc height at the symptomatic level * Spondylolisthesis * Inflammatory or auto-immune based pathology (e.g., rheumatoid arthritis, systemic lupus erythematosus, psoriatic arthritis, polymyalgia, polymyositis, gout pseudogout) * Quinolone or Statin induced myopathy/tendinopathy * Severe neurogenic inflammation of the cutaneous nerves * Condition represents a worker's compensation case * Currently involved in a health-related litigation procedure * Is pregnant * Bleeding disorders * Currently taking anticoagulant or immunosuppressive medication * Allergy or intolerance to study medication * Use of chronic opioid, * Documented history of drug abuse within six months of treatment