Protective effect of a new biomaterial against the development of experimental osteoarthritis lesions in rabbit: a pilot study evaluating the intra-articular injection of alginate-chitosan beads dispersed in an hydrogel

Oprenyeszk, Frédéric;Chausson, Mickael;Maquet, Véronique;Dubuc, Jean-Emile;Henrotin, Yves
(2013) Osteoarthritis and Cartilage — Vol. 21, n° 8, p. 1099-1107 (2013)

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Authors
  • Oprenyeszk, Frédéric
    Author
  • Chausson, Mickael
    Author
  • Maquet, Véronique
    Author
  • Dubuc, Jean-EmileUCLouvain
    Author
  • Henrotin, Yves
    Author
Abstract
Objective: This study aimed to evaluate the structural benefit of a new biomaterial composed of alginate-chitosan (AC) beads dispersed in ahydrogel (H) derived from chitosan on the development of osteoarthritis (OA) in rabbit. Design: OA was induced by the surgical transection of the anterior cruciate ligament in rabbits. Animals received a single intra-articular injection (900μl) of AC beads in H hydrogel, H hydrogel alone or saline a week after surgery. OA development was followed by X-rays. Blood samples were collected throughout the study to measure biological markers (Prostaglandins E2 - PGE2 and C reactive protein - CRP). Macroscopic observation and histological evaluation of articular cartilage and synovial membrane were performed 6 weeks after surgery. Results: AC beads in H hydrogel prevented from the development of OA based on the reduction of the Kellgren & Lawrence (K&L) score. It also significantly reduced the histological score of cartilage lesion severity. This effect was homogenous on every joint compartment. It was due to a significant effect on cartilage structure and cellularity scores. The injection of AC beads in H hydrogel also tended to reduce the synovial membrane inflammation. No significant variation of biological markers was noted. Conclusions: The present pilot study provides interesting and promising results for the use of AC beads in H hydrogel in animal. It indeed prevented the development of OA cartilage lesions without inflammatory signs. The potencies of this biomaterial to protect OA joint should be further documented. It could then represent a new alternative for viscosupplementation in human OA management
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Oprenyeszk, F., Chausson, M., Maquet, V., Dubuc, J.-E., & Henrotin, Y. (2013). Protective effect of a new biomaterial against the development of experimental osteoarthritis lesions in rabbit: a pilot study evaluating the intra-articular injection of alginate-chitosan beads dispersed in an hydrogel. Osteoarthritis and Cartilage, 21(8), 1099-1107. https://doi.org/10.1016/j.joca.2013.04.017 (Original work published 2013)