IRCT20230502058054N1 IRCT 2023-07-18 Shahid Beheshti University of Medical Sciences Comparison the of effects Magnesium Sulfate and triamcinolone as Adjuvants with Ropivacaine for caudal block in Low Back Pain Comparison the of effects Magnesium Sulfate and triamcinolone as Adjuvants with Ropivacaine for caudal block in Low Back Pain 2023-07-23 anticipated 40 Complete https://irct.ir/trial/69953 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Web based randomization: This service permits patient randomization into one of two or more treatment arms at any time without incurring the need for personnel continuously present at the central site at all times. The only prerequisite is the availability of a computer workstation equipped with an internet link and a standard browser for the world wide web, Blinding description: In this study participants, care provider, investigator, outcome assessor and data analyst are all blinded to patients groups. 3 Patients with low back pain who have spinal canal stenosis or several disc bulging or protrusion or degeneration changes in MRI. Intervention 1: Intervention group: Magnesium Sulfate. Intervention 2: Intervention group: Triamcinolone. No - There is not a plan to make this available Justification or reason for not sharing IPD is There is no more information