Alpha Lipoic Acid and Chronic Lumbosacral Radicular Pain

Inclusion Criteria: * Patients over 18 years with severe chronic lumbo-sacral radicular pain of more than 6 months duration, not responding to medical treatment, and their Pain scores were \> 7 were included in the study. Exclusion Criteria: * coagulopathy, surgical interference, advanced malignancy, known concurrent neurological or neurodegenerative disease, including those with impaired neurotransmission e.g. myasthenia gravis, multiple sclerosis, spinal cord injury, breastfeeding or pregnancy, allergy/sensitivity to lidocaine anesthetic or/ and non-ionic contrast media or/and steroid therapy, active psychiatric or mental conditions and uncontrolled medical condition.