A protocol for a randomized clinical trial assessing the efficacy of hypertonic dextrose injection (prolotherapy) in chronic ankle instability
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AbstractBackground
Lateral ankle sprain (LAS) is a common injury. Conservative care is not uniformly effective. Chronic ankle instability (CAI) results in up to 70% of patients with LAS in the physically active population. LAS, together with subsequent osteochondral lesions and pain in many patients, leads to the development of post-traumatic osteoarthritis, resulting in a substantial direct and indirect personal and societal health burden. Dextrose prolotherapy (DPT) is an injection-based therapy for many chronic musculoskeletal conditions but has not been tested for CAI. This protocol describes a randomized controlled trial to test the efficacy of DPT versus normal saline (NS) injections for chronic ankle instability (CAI).

Methods and analysis
A single-center, parallel-group, randomized controlled trial will be conducted at a university-based primary care clinic in Hong Kong. A total of 114 patients with CAI will be randomly allocated (1:1) to DPT and NS groups. The primary outcome will be the Cumberland Ankle Instability Tool scores at 1 year. The secondary outcomes will be the number of re-sprains in 1 year, the Star Excursion Balance Test, the 5-level of EuroQol 5-dimension questionnaire, and the Foot and Ankle Ability Measure. All outcomes will be evaluated at baseline and at 16, 26, and 52 weeks using a linear mixed model.
Discussion

We hypothesized the DPT is a safe, easily accessible, and effective treatment for patients with CAI. This RCT study will inform whether DPT could be a primary non-surgical treatment for CAI.

Trial registration
Chinese Clinical Trial Registry ChiCTR2000040213. Registered on 25 November 2020.
Acceptance Date17/12/2022
All Author(s) ListRegina Wing Shan Sit, Ricky Wing Keung Wu, Samuel Ka Kin Ling, Bo Wang, Dicken Cheong Chun Chan, Benjamin Hon Kei Yip, Samuel Yeung Shan Wong, Kenneth Dean Reeves, David Rabago
Journal nameTrials
Year2022
Month12
Day29
Volume Number23
Issue Number1
PublisherSpringer Nature
Article number1063
ISSN1745-6215
LanguagesEnglish-United States
KeywordsHypertonic dextrose injection, Prolotherapy, Chronic ankle instability

Last updated on 2024-09-04 at 00:35