这一结果表明双醋瑞因治疗膝关节OA是安全有效的，并具有较长的遗留效应。

The results show that diacerein is safe and effective for the treatment of knee OA and has a long carryover effect.

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目的评价双醋瑞因(安必丁)治疗膝骨关节炎(OA)患者的疗效和安全性。

Objective To evaluate the efficacy and safety of diacerein in patients with knee osteoarthritis (oa).

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