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Knee repair surgery may delay arthritis

NCT ID NCT03037242

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only This study
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study follows 55 people aged 18-65 who have a meniscus root tear and undergo a specific surgical repair called transtibial pullout. Researchers will track knee function and arthritis progression over time to see if the procedure works well and what factors might lead to poor results.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
transtibial pullout technique (surgical procedure)
What this could lead to
If successful, this could confirm that meniscus root repair effectively restores knee function and slows arthritis progression.
What could go wrong
This is an observational study with only 55 participants, so results may not apply to everyone. The surgery may fail or arthritis could still worsen.

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

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

About 55 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2017

Expected to finish

Feb 2027

An estimate. End dates often move.

Lead sponsor

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

18 to 65 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Meniscus root avulsion tear (defined as meniscus posterior horn root avulsion or full thickness tear within 9 mm of the root attachment) 2. Age 18-65 3. Ligament injury with concomitant reconstruction is acceptable 4. Malalignment with corrective osteotomy is acceptable Exclusion Criteria: 1. Subchondral collapse on pre-op MRI 2. Extrusion greater than 3 mm 3. Intra-op Outerbridge grade 3 or greater chondromalacia 4. Intra-op poor quality meniscus tissue 5. Mal-alignment greater than 5 degrees without corrective osteotomy 6. Obesity with BMI over 40 7. Kellgren Lawrence \> grade 2 8. Worker's compensation status

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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.

  1. The places running it

    2 sites. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. 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

  • Columbia Orthopaedic Group

    Columbia, Missouri, 65201, United States

  • Mayo Clinic

    Rochester, Minnesota, 55905, United States

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