Hip surgery showdown: to close or not to close the capsule?
NCT ID NCT03158454
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether closing the hip joint capsule during keyhole surgery helps people with hip impingement feel better and function better. About 200 adults having hip arthroscopy will be randomly assigned to have the capsule closed or left open. Researchers will track pain, hip function, and quality of life over time to see which approach works best.
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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 200 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2017
- Expected to finish
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Dec 2028
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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18 to 50 years
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Radiological and symptomatic Femoroacetabular Impingement, where surgery is indicated. Preoperatively a minimum of 3 months of relevant physiotherapeutic treatment should have been performed. Exclusion Criteria: * Previous hip surgery in either hip * Malignant disease * Recent hip or pelvic fractures * Arthritic disease * Hip joint dysplasia * Legg-Calvé-Perthes * Slipped Capital Femoris Epiphysis * Recent (within 6 weeks) medical treatment with corticosteroids * Language problems of any kind
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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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Division of Sports Trauma, Tage-Hansens Gade 2b
Aarhus, 8000, Denmark
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Other studies related to the condition(s) this trial covers.
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