Right-time self-care advice for hip and knee osteoarthritis (e-cOAch)

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

Over one year, participants with hip or knee osteoarthritis complete online questionnaires every two weeks about pain, activity, sleep and daily functioning. At four scheduled points they are randomly assigned in a crossover design to one of three 12-week self-care programs (physical activity, weight management, or sleep) or to no program, with no program repeated. The study will use these longitudinal data to build and validate data-driven models that aim to predict symptom changes and the best timing for delivering each self-management strategy via the ArtroseCoach web app. Secondary analyses will look for subgroups, predictors of flare-ups, and links between activity, weight, pain and sleep.

Why it matters

Who can join: the full rules

Inclusion Criteria:

1. Have a hip or knee joint that, self-administered through a questionnaire, meets the National

   Institute for Health and Care Excellence clinical criteria for osteoarthritis:
   1. Aged 45 years or over and;
   2. Activity-related pain at the joint and;
   3. Joint morning stiffness that lasts no longer than 30 minutes or no morning stiffness at the joint;
2. History of pain at the joint for at least 3 months;
3. Have access to a smartphone with internet connection and an email address;
4. Able to give informed consent and willing to commit to all study evaluation and assessment procedures
5. Able to read and understand texts in Dutch at B1 level.

Exclusion Criteria:

1. Self-reported systemic arthritis (e.g., rheumatoid arthritis, gout) avoid confounding due to overlapping symptoms;
2. Scheduled for lower limb joint surgery within the next year or underwent lower limb joint surgery (total hip, total knee) the last year as surgical interventions could affect outcomes and confound the assessment of treatment effects.

Where it's running

• UMC Utrecht
  Utrecht, Netherlands Recruiting

Study contacts

• Principal investigator: Martijn F. Pisters, PhD — UMC Utrecht
• Study coordinator: Femke Groen, MSc
• Email: f.groen-4@umcutrecht.nl
• Phone: +31652783039

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.