Though steroid injections are commonly used for short-term pain relief associated with knee osteoarthritis (OA), the treatment option may not be effective in the long run to prevent structural damage caused by the condition. According to MedPage Today, researchers at Tufts University in Boston conducted a two year trial and found patients with knee OA who received injections of the corticosteroid triamcinolone every 12 weeks and those treated with placebo did not have any significant difference in measurements for change in pain.

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