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Can software help surgeons place hip implants more precisely?

NCT ID NCT05221554

Symptom relief Sponsor: London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 22, 2026 · Last updated Oct 08, 2026 · Updated 3 times

Summary

Researchers are testing whether computer navigation combined with real-time modeling helps surgeons position hip replacement implants more accurately than standard freehand surgery. The study enrolls about 80 adults aged 40 and older with hip osteoarthritis who are scheduled for a primary total hip arthroplasty. Surgeons use the navigation and modeling software to plan the optimal cup placement, and the team compares implant position, muscle health, and patient-reported outcomes against standard surgery.

What this could mean

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

Active substance
computer-navigated hip replacement surgery using real-time modeling software
What this could lead to
If it works, surgeons could place hip implants more accurately, which may lower the chance of revision surgery and improve pain relief and function.
What could go wrong
The trial is small and compares two surgical approaches, so results may not apply to all patients or hospitals. Navigation adds operating time and depends on equipment that not every surgical center has.

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 180 people

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

Started

Aug 2022

Expected to finish

Nov 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

40 years and older

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: * osteoarthritis of the hip requiring primary THA * 40 years of age or older * BMI \<40 kg/m2 * able to undergo CT * able to provide informed consent, able and willing to do study assessments and follow instructions Exclusion Criteria: * prior surgery on the indicated hip with insertion of hardware * prior surgery on the lower spine with insertion of hardware * hip and/or spinal fixed deformities or inflammatory/ossification processes of the spine (e.g. DISH, ankylosing spondylolisthesis) * diagnosis of inflammatory arthroplasty * limitations to range of motion of the contralateral hip

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Conditions

The condition(s) this trial relates to.

arthropathy musculoskeletal system disorder osteoarthritis osteoarthritis, hip

As listed by the trial registrant

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

Computer-assisted surgery Total hip arthroplasty

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    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

  • London Health Sciences Centre

    RECRUITING

    London, Ontario, N6A5A5, Canada

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