Objective: To identify clinical and laboratory indicators associated with the development of chronic musculoskeletal pain syndrome in young and middle-aged patients with degenerative changes of the spine.Material And Methods: The study included 103 patients (59 women and 44 men) with a mean age 42 [36; 47] years with chronic musculoskeletal back pain. To verify degenerative changes of the spine, MRI was performed using Magnetom Symphony (Siemens; Germany), Magnetom Verio (Siemens; Germany) devices.