Mayo clinic tests if adding a scope improves hip surgery outcomes
NCT ID NCT03181048
First seen Jun 26, 2026 · Last updated Sep 11, 2026 · Updated 1 time
Summary
This study compares two surgical approaches for hip dysplasia: the standard periacetabular osteotomy (PAO) alone versus PAO combined with hip arthroscopy. Researchers will enroll 106 people aged 15-55 with mild or no arthritis. The goal is to see if adding arthroscopy leads to better function and less pain over time.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Periacetabular osteotomy with or without hip arthroscopy
- What this could lead to
- If successful, this could show that adding hip arthroscopy during PAO improves hip function and reduces pain for people with hip dysplasia.
- What could go wrong
- This is a relatively small, early-stage trial comparing two surgical procedures. The added arthroscopy may not provide significant benefit and could increase surgical risks.
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 106 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2017
- Expected to finish
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Jun 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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15 to 55 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.
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: * Diagnosis of hip dysplasia (DDH) electing periacetabular osteotomy (PAO) for treatment * Skeletally mature * Age 15 - 55 * Tonnis Grade 0 or 1 osteoarthritis (minimal or no arthritis) * Ability to receive a standard of care preoperative (magnetic resonance imaging) MRI arthrogram of the hip Exclusion Criteria: * Pregnant women * Previous surgery about the hip * Patients receiving PAO for acetabular retroversion in the absence of DDH * Previous hip arthroscopy to address intra-articular pathology
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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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Mayo Clinic
RECRUITINGRochester, Minnesota, 55905, United States
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