Massive study tracks 3,000+ ACL patients to predict knee outcomes
NCT ID NCT00463099
First seen Jun 27, 2026 · Last updated Aug 25, 2026 · Updated 2 times
Summary
This study follows over 3,200 people who had surgery for a torn ACL. Researchers want to learn which factors affect knee function, arthritis, and the chance of re-injury. Participants complete surveys and have X-rays over time to track their recovery.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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3,294 people
The number who actually took part.
- Start date
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Jan 2002
- 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.
Who is studied
All eligible ACL-deficient candidates scheduled for a unilateral ACL reconstruction at one of the participating MOON sites.
- Ages
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10 to 80 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: \- All ACL-deficient candidates scheduled for a unilateral ACL reconstruction at one of the participating MOON sites. Exclusion Criteria: * Persons undergoing a simultaneous bilateral ACL reconstruction * Patients less than 10 years old and older than 80 years old * Patients unwilling or unable to complete their follow-up questionnaire
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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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Cleveland Clinic
Cleveland, Ohio, 44195, United States
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Duke University
Durham, North Carolina, 27710, United States
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Hospital for Special Surgery
New York, New York, 10021, United States
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The Ohio State University
Columbus, Ohio, 43221, United States
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University of Colorado
Boulder, Colorado, 80304, United States
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University of Iowa
Iowa City, Iowa, 52242, United States
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Vanderbilt University Medical Center
Nashville, Tennessee, 37232, United States
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Washington University at St. Louis
St Louis, Missouri, 63141, United States
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