Du MZ, Duan R, Shao DC, Zhang XY, Zhang F, Li H. [Antinociceptive efficacy of
QO-58 in the monosodium lodoacetate rat model for osteoarthritis pain].
Zhonghua Yi Xue Za Zhi 2017;
97:1333-1336. [PMID:
28482437 DOI:
10.3760/cma.j.issn.0376-2491.2017.17.013]
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Abstract
Objective: To determine the effects of QO-58 on pain behavior associated with monosodium iodoacetate (MIA)-induced OA. Methods: The OA model was established with an intra-articular injection of 3 mg/50 MIA through the right patellar ligament. Then the model rats were treated with 50 mg/kg QO-58 by intraperitoneal injection, and pain-related behaviors were assessed by single administration and multiple administrations of QO-58. Results: Single adminstration of QO-58 increased the mechanical threshold and prolonged the withdrawal latency of OA pain with the antinociceptive effect occurring at 6 h and 10 h. Compound QO-58 was administered intraperitoneally once a day from day 10 to 14. QO-58 significantly increased the mechanical threshold and prolonged the withdrawal latency of OA rats at 12 and 14 days. Conclusion: QO-58 showed antinociceptive effects for OA pain in the MIA model after pain development. QO-58 may be an alternative therapeutic treatment for OA.
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