Protocol for a multi-center randomized controlled trial to evaluate the benefits of exercise incentives and corticosteroid injections in osteoarthritis of the knee (MOVE-OK)

William Leach, Caleigh Doherty, Marianna Olave, Bryant R. England, Katherine Wysham, Gail Kerr, Mercedes Quinones, Alexis Ogdie, Dan White, Tuhina Neogi, Carla R. Scanzello, Joshua F. Baker

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Knee osteoarthritis (KOA) is a high-priority problem among the aging population. While exercise has been shown to be beneficial in management of the disease, scalable and low-cost interventions to improve exercise in this population are lacking. Recent controversy over the value of corticosteroid injections for palliation has also arisen. Therefore, we designed a randomized, double-blind, placebo-controlled clinical trial with a 2-period crossover design to study (1) behavioral incentives to promote exercise and (2) corticosteroid injections to reduce pain and improve function in patients with KOA when compared to lidocaine only. Methods: The study design is a pragmatic factorial and crossover randomized clinical trial. Patients with KOA who are deemed eligible by their provider to receive knee injections and are able to walk without assistive devices will be recruited from clinical practices at four sites within the Veterans Affairs (VA) Health System in the USA. In total, 220 participants will be randomized to receive social incentives with gamification (i.e., incorporation of game elements) to promote exercise and compared to controls that receive a Fitbit but no incentive. Each patient will also be assigned to receive a blinded corticosteroid injection and a lidocaine-only injection in random order. The primary outcomes are the change in average daily step counts from baseline and the change in Knee Osteoarthritis Outcome Score (KOOS) from baseline. The study team will continuously collect step count, heart rate, and sleep data using activity monitors and patient-reported outcomes using the Way to Health (WTH) platform at two four-week intervals over eight months of follow-up. Mixed effects regression incorporating all available data points will be used for analysis. Discussion: The “Marching on for Veterans with Osteoarthritis of the Knee” (MOVE-OK) trial will take a pragmatic approach to evaluate (1) whether incentives based on behaviorally enhanced gamification can improve physical activity in this patient population and (2) whether corticosteroids injections reduce pain and disability in patients with KOA. Results of this trial will help to direct clinical practice and inform management guidelines. Trial registration: ClinicalTrials.gov NCT05035810. Registered on 5 September 2021.

Original languageEnglish (US)
Article number604
JournalTrials
Volume23
Issue number1
DOIs
StatePublished - Dec 2022

Keywords

  • Behavioral incentives
  • Corticosteroid injections
  • Crossover design
  • Exercise
  • Multi-center
  • Osteoarthritis of the knee
  • Randomized controlled trial

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Pharmacology (medical)

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