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NCT04040985 · ClinicalTrials.gov registry record · NA
LEGION™ Primary Safety and Efficacy
A NA study, sponsored by Smith & Nephew.
- Terminated
- Registry status
- NA
- Development phase
- 128
- Enrollment target
NCT04040985: Clinical Trial NA study, sponsored by Smith & Nephew.
NCT04040985 is a NA study that was terminated before completion, run by Smith & Nephew. The registered enrollment target is 128 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (91% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT04040985, a NA study, was terminated before completion, sponsored by Smith & Nephew.
- TERMINATED
- Registry status
- NA
- Development phase
- 128 participants
- Enrollment target
Study Summary
This study will look at the health results of using the LEGION™ Primary Knee System over a period of ten (10) years. This type of surgery uses an artificial knee made of plastic and metal. This study will enter subjects who suffer from a variety of conditions that have caused at least one of their knees to become nonfunctional. You are being asked to participate in the study because you have significant problems with your knee(s) and your study surgeon has determined that your knee(s) must be surgically replaced to improve your condition. If you decided to participate in this study, you will be one of approximately one hundred thirty-eight (138) subjects in the study.
Primary Outcome
Kaplan-Meier (KM) implant survivorship where survivorship defined as percentage of knees where no revision was required for any reason through 120 months
Interventions
- PROCEDURE Total Knee Arthroplasty using LEGION™ Total Knee System
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 128 participants |
| Start Date | 2009-09-09 |
| Est. Completion | 2020-12-17 |
| Phase | NA |
Why NCT04040985 stopped before completion
NCT04040985 is an interventional study that assigns participants to a tested intervention. The registered 128 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (91% lower).
The record links to 0 conditions, and to 1 intervention - of which Total Knee Arthroplasty using LEGION™ Total Knee System is the first listed.
NCT04040985 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT04040985 about?
NCT04040985 is a clinical study titled "LEGION™ Primary Safety and Efficacy". This study will look at the health results of using the LEGION™ Primary Knee System over a period of ten (10) years. This type of surgery uses an artificial knee made of plastic and metal. This study will enter subjects who suffer from a variety of conditions that have caused at least one of their k...
What is the current status of trial NCT04040985?
This trial is currently terminated. It is a NA study. The enrollment target is 128 participants. The study started on 2009-09-09. Estimated completion is 2020-12-17.
What interventions are being tested in trial NCT04040985?
The interventions under investigation include: Total Knee Arthroplasty using LEGION™ Total Knee System (PROCEDURE).
Who is sponsoring clinical trial NCT04040985?
This trial is sponsored by Smith & Nephew, which has 72 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT04040985's enrollment target sits among peer trials
128 744th of 2000 higher than 1,252 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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