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New hip implant under the microscope: will it last 10 years?

NCT ID NCT05366712

Knowledge-focused Sponsor: NHS Lothian 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study follows 125 adults aged 18-75 who are getting a hip replacement with a new type of implant (the Trident II shell). The main goal is to see how long the implant lasts without needing another surgery. Researchers will also track patients' pain and function using a standard hip score. The implant is already approved for use, but this study collects real-world data on its long-term performance.

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 125 people

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

Started

Jun 2022

Expected to finish

Nov 2034

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 75 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. Patients undergoing planned primary total hip arthroplasty with standard implants, suitable for the use of the uncemented Trident® II acetabular component. 2. Patients aged 18-75 3. Patients willing and able to comply with the study protocol 4. Patients that provide informed consent Exclusion Criteria: 1. Patients not meeting study inclusion criteria 2. Bone stock that is inadequate for support or fixation of the prosthesis 3. Patients with a body mass index (kg/m2) \>40 4. Procedures performed for pain relief in those with severely restricted mobility

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Conditions

The condition(s) this trial relates to.

arthropathy developmental dysplasia of the hip Hip Dislocation osteoarthritis, hip

As listed by the trial registrant

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

Arthritis of hip Hip arthropathy Hip dysplasia Hip osteoarthritis

Contacts and locations

Locations

  • NHS Lothian

    Edinburgh, Lothian, EH16 4SA, United Kingdom

More trials for these conditions

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