Lancet
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Osteoarthritis is a heterogeneous disorder that is increasingly prevalent largely due to aging and obesity, resulting in a major disease burden worldwide. Knowledge about the underlying aetiology has improved, with increased understanding of the role of genetic factors, the microbiome, and existence of different pain mechanisms. However, this knowledge has not yet been translated into new treatment options. ⋯ Most of the focus has been on established osteoarthritis where management is primarily directed at relieving symptoms. The search for the much needed effective treatments that improve both symptoms and structure, often referred to as disease-modifying osteoarthritic drugs, is ongoing. Promising data indicate that targeting inflammation is effective in hand osteoarthritis.