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Which knee implant works best? new study aims to find out

NCT ID NCT02364011

Knowledge-focused Sponsor: University of Utah Source: ClinicalTrials.gov ↗

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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This completed study followed 120 adults over 40 who had knee replacement surgery for osteoarthritis. Researchers compared four different knee implants to see how well patients moved, walked, climbed stairs, and felt about their recovery over two years. The goal was to identify which implant leads to the best function and quality of life.

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.

Participants

120 people

The number who actually took part.

Start date

Nov 2014

Finished

Jun 2025

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.

Who is studied

Patients who present to the University of Utah for TKA surgical procedure

Ages

40 to 90 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: * adults \> 40 years of age that are scheduled for primary TKA * if they have had a previous TKA, it needs to have been performed on the opposite leg at least 3 months prior to the current TKA * willing to return for follow-up visits and should be willing and able to be transported from the UOC to the Skeletal Muscle Exercise Research Facility (SMERF), in the Department of Physical Therapy study site for scheduled research follow-up appointments Exclusion Criteria: * adult with previous additional orthopaedic, neurological, visual or surgical conditions that may affect gait or balance

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Conditions

The condition(s) this trial relates to.

osteoarthritis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Osteoarthritis

Contacts and locations

Locations

  • University of Utah Orthopaedic Center

    Salt Lake City, Utah, 84108, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.