Better ankle implant aims to last longer and reduce pain
NCT ID NCT06941558
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study follows 200 people who received a new type of ankle replacement designed to attach better to bone and wear out more slowly. Researchers will track pain, function, and how long the implant lasts over time. The goal is to see if this improved device helps people with severe ankle arthritis move better and have less pain.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- INFINITY™ with ADAPTIS™ and EVERLAST™ ankle replacement system (a medical device)
- What this could lead to
- If successful, this could confirm that the new ankle implant lasts longer and works better than older versions, improving mobility and reducing pain for people with severe ankle arthritis.
- What could go wrong
- This is an observational follow-up study, not a randomized trial, so results may be less definitive. The implant could still wear out or require revision surgery in some patients.
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 200 people
The number the study aims to enrol. It can still change while the study runs.
- Started
-
Apr 2024
- Expected to finish
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Apr 2031
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
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21 years and older
- Sex
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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 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: 1. Male or non-pregnant female over the age of 21 years with a diagnosis of end stage ankle arthritis and requiring primary TAA/TAR and is suitable for the use of the ADAPTIS TAA/TAR 2. Patients who are physically and mentally willing and able to comply with the post-operative follow-ups and an appropriate rehabilitation schedule. 3. Patient can understand and provide written consent. Exclusion Criteria: 1. Patients with previous ankle arthrodesis or Patients who require revision of previously implanted TAA/TAR. 2. Any patients presenting with clinically relevant conditions prior to implantation, that would contraindicate implantation of a TAA/TAR
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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
-
Northumbria Healthcare NHS Foundation Trust
Newcastle, NE29 8NH, United Kingdom
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