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Boosting Exercise Adherence in Knee Osteoarthritis
Sponsor: VA Office of Research and Development
Summary
This project, conducted within the Department of Veterans Affairs Healthcare System (VHA), will test the effectiveness of an intervention to improve adherence to home exercise among Veterans receiving physical therapy (PT) for knee osteoarthritis (OA). The intervention, "Boosting Exercise Adherence in Knee Osteoarthritis" (BOOST-OA), has two phases. During the initiation phase (first 3 months of PT care), patients will receive tools and activities to address outcome expectations, action self-efficacy, goal-setting and monitoring. During the behavior maintenance phase (starting after PT care and continuing for 9 months), patients will receive health coaching calls that address satisfaction with outcomes, relapse prevention planning and independent monitoring. There are three main study aims: (1) examine improvements in patient outcomes, such as physical function, following BOOST-OA; (2) explore patient characteristics that lead to difference in reported improvements; and (3) interview participants and clinicians about their experience with BOOST-OA to inform future implementation.
Official title: Boosting Exercise Adherence in Knee Osteoarthritis (BOOST-OA)
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
360
Start Date
2026-07-01
Completion Date
2030-12-31
Last Updated
2025-10-22
Healthy Volunteers
No
Conditions
Interventions
Usual PT Care (UC)
UC will be delivered by trained clinicians at participating sites. The study team will provide clinicians with guidance and training to standardize core aspects of PT, aligned with best practice recommendations. Clinicians must provide enrolled Veterans with at least 4 PT visits, spaced at least weekly so that Veterans can practice home exercise and receive guidance in exercise progression. All PT visits must be completed within 3 months.
BOOST-OA
BOOST-OA includes components that are integrated into PT visits (concurrent), focused on behavior initiation, as well as components that occur after PT visits have ended (sequential), focused on behavior maintenance. Concurrent components will be delivered in conjunction with usual care PT visits. Clinicians must provide enrolled Veterans with at least 4 PT visits, spaced at least weekly. PT visits must be also completed within 3 months. Sequential components will be delivered by a health coach via phone or video. Health coach sessions will be conducted every other week for the first 2 months (months 4-5), monthly for an additional 3 months (months 6- 8), and every other month for the last 4 months (months 9-12; 9 total contacts). Calls will address strengthening and stretching exercises (≥3 times per week), as well as overall physical activity (e.g., minutes / steps).
Locations (1)
Durham VA Medical Center, Durham, NC
Durham, North Carolina, United States