Massive study digs into what predicts joint replacement in osteoarthritis patients
NCT ID NCT03438630
First seen Jun 26, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This large observational study followed over 288,000 people with hip or knee osteoarthritis who received core treatment (education, exercise, and weight loss advice). The goal was to identify factors like socioeconomic status and other health conditions that predict long-term outcomes, such as the need for joint replacement surgery. The study does not test a new treatment but aims to improve understanding of who benefits from conservative care and who may eventually need surgery.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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288,276 people
The number who actually took part.
- Started
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Jan 2008
- Finished
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Jun 2020
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
The population who has received standardized core treatment of education and supervised exercises for hip and knee osteoarthritis and been registered in the BOA Register
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
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: for participation in the standardized core treatment (of education and supervised exercises) and registration in the BOA Register are; * pain from the knee or hip. * diagnosis of osteoarthritis confirmed by a physical therapist, by medical history and a physical examination based on the clinical criteria for osteoarthritis Exclusion Criteria: for participation in the standardized core treatment and registration in the BOA Register are; * confirmed or suspicion of tumor, rheumatoid arthritis, sequel hip fracture, chronic pain or fibromyalgia, * total joint replacement within the past 12 months, * other surgery of the knee or hip joint within the past 3 months, * not able to read or understand Swedish
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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.
Contacts and locations
Locations
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Vastra Gotaland
Gothenburg, Sweden
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Other studies related to the condition(s) this trial covers.
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