Smart app aims to predict when OA patients need help
NCT ID NCT07423858
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study follows 600 people with hip or knee osteoarthritis for one year to understand how their symptoms and daily function change over time. Participants fill out online questionnaires every two weeks and try different self-care programs through a web app called ArtroseCoach. The goal is to build computer models that can predict the best advice for each person at the right moment, helping them manage their condition on their own.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 600 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2025
- Expected to finish
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Feb 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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45 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
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.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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UMC Utrecht
RECRUITINGUtrecht, Netherlands
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