• Wei Liu, Gang Liu, Fuxing Pei, Yixin Liu, Zongke Zhou, Jian Li, Bin Shen, Pengde Kang, Qibing Xie, and Xin Ma.
• Department of Immunology and Rheumatology, West China Hospital, West China Medical School, Sichuan University, Chengdu, China.
• J Clin Rheumatol. 2012 Jan 1; 18 (1): 8-14.

ObjectiveThe objective of the study was to identify adults with symptomatic Kashin-Beck disease (KBD) and observe the efficacy and safety of diclofenac sodium, naproxen, and glucosamine hydrochloride in these adult patients in Rang-tang (Sichuan Province), China.Subjects And MethodsOne hundred eighty-three adult patients with KBD were enrolled into this open study. Patients were randomized to receive diclofenac sodium 50 mg twice a day (BID), naproxen 300 mg BID, or glucosamine hydrochloride 750 mg BID for 6 weeks. The primary efficacy parameters evaluated were the visual analog pain scale, Western Ontario and McMaster Universities Osteoarthritis Index, and physical function subscores. Assessment of daily self-care activities and physician and patient global overall efficacy were also recorded.ResultsDiclofenac sodium, naproxen, and glucosamine hydrochloride all reduced the joint pain and improved physical function and daily self-care activities in adult patients with KBD. Visual analog pain scale scores, Western Ontario and McMaster Universities Osteoarthritis Index pain scores, physical function scores, and daily self-care activities subscore differences were statistically significant compared with baselines (P < 0.05). Comparison studies among the 3 agents showed no statistically significant difference in efficacy. The incidences of gastrointestinal adverse reactions were 18% and 14% in the diclofenac sodium group and the glucosamine hydrochloride group, respectively, which tended to be lower than the naproxen group (29%). However, the differences were not statistically significant.ConclusionsThis report documents characteristic findings in these patients. Diclofenac sodium, naproxen, and glucosamine hydrochloride produced substantial improvements over baseline in pain relief, physical function, and daily self-care activities in these open observations of adult patients with KBD.

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