Efficacy and safety of single injection of cross-linked sodium hyaluronate vs. three injections of high molecular weight sodium hyaluronate for osteoarthritis of the knee: a double-blind, randomized, multi-center, non-inferiority studyopen access
- Authors
- Ha, Chul-Won; Park, Yong-Beom; Choi, Chong-Hyuk; Kyung, Hee-Soo; Lee, Ju-Hong; Yoo, Jae Doo; Yoo, Ju-Hyung; Choi, Choong-Hyeok; Kim, Chang-Wan; Kim, Hee-Chun; Oh, Kwang-Jun; Bin, Seong-Il; Lee, Myung Chul
- Issue Date
- May-2017
- Publisher
- BMC
- Keywords
- Knee osteoarthritis; Inflammation; Treatment; Hyaluronic acid
- Citation
- BMC MUSCULOSKELETAL DISORDERS, v.18, pp.1 - 10
- Indexed
- SCIE
SCOPUS
- Journal Title
- BMC MUSCULOSKELETAL DISORDERS
- Volume
- 18
- Start Page
- 1
- End Page
- 10
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/152467
- DOI
- 10.1186/s12891-017-1591-4
- ISSN
- 1471-2474
- Abstract
- Background
This randomized, double-blind, multi-center, non-inferiority trial was conducted to assess the efficacy and safety of a cross-linked hyaluronate (XLHA, single injection form) compared with a linear high molecular hyaluronate (HMWHA, thrice injection form) in patients with symptomatic knee osteoarthritis.
Methods
Two hundred eighty seven patients with osteoarthritis (Kellgren-Lawrence grade I to III) were randomized to each group. Three weekly injections were given in both groups but two times of saline injections preceded XLHA injection to maintain double-blindness. Primary endpoint was the change of weight-bearing pain (WBP) at 12 weeks after the last injection. Secondary endpoints included Western Ontario and McMaster Universities Osteoarthritis index; patient’s and investigator’s global assessment; pain at rest, at night, or in motion; OMERACT-OARSI responder rate; proportion of patients achieving at least 20 mm or 40% decrease in WBP; and rate of rescue medicine use and its total consumption.
Results
Mean changes of WBP at 12 weeks after the last injection were −33.3 mm with XLHA and −29.2 mm with HMWHA, proving non-inferiority of XLHA to HMWHA as the lower bound of 95% CI (−1.9 mm, 10.1 mm) was well above the predefined margin (−10 mm). There were no significant between-group differences in all secondary endpoints. Injection site pain was the most common adverse event and no remarkable safety issue was identified.
Conclusions
This study demonstrated that a single injection of XLHA was non-inferior to three weekly injections of HMWHA in terms of WBP reduction, and supports XLHA as an effective and safe treatment for knee osteoarthritis.
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