OBJECTIVE: Moderate to severe persistent pain can affect up to 25% of people after a knee replacement for osteoarthritis. The aim of the trial was to test the feasibility of implementing Kneed, a novel digital pain rehabilitation self-management programme. DESIGN: Prospective, two group parallel randomised pilot study. SETTING: Online in Australia. PARTICIPANTS: Adults with persistent pain rated as >= 4/10 in the operated knee more than 3 months post-knee replacement for osteoarthritis. Intervention: The Kneed group were provided with 8 weeks of access to a digital pain rehabilitation self-management programme and compared to usual care. MAIN MEASURES: Recruitment, acceptability, usability and limited efficacy with descriptive statistics. RESULTS: Sixty participants, mean age 68.7 years, 75% female, 66.7% retired and 43% living outside metropolitan areas, were recruited between 15 October and 19 December, 2024 via social media advertising with 418 online eligibility surveys performed. There were 190 (45.5%) deemed potentially eligible; 82 (19.6%) left contact details and 60 (14.4%) consented. At 8 weeks, there were 48 (80%) participants remaining in the trial (20 Kneed (64.5%), 28 usual care (96.6%)). A majority of the Kneed group found the Kneed programme acceptable, would use it again and found that it helped them effectively manage pain and function. CONCLUSION: It is feasible to recruit and retain older Australians with moderate to severe knee pain post-knee replacement for a trial testing a digital pain rehabilitation self-management programme. A larger trial is indicated to further test the clinical effectiveness of Kneed to reduce pain and improve function.

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