text_1: Osteoparthritis (OA) is characterized by degeneration of articular cartilage, joint edge, and subchondral bone hyperplasia.
text_2: CONCLUSIONS Among patients with chronic LBP and degenerative lumbar OA, 6-month treatment with oral glucosamine compared with placebo did not result in reduced pain-related disability after the 6-month intervention and after 1-year follow-up.