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Can a hong kong robotic system perfect knee alignment with any implant?

NCT ID NCT07777757

Disease control Sponsor: The University of Hong Kong Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 20, 2026 · Last updated Aug 21, 2026 · Updated 1 time

Summary

This trial tests whether a new robotic system, KUNWU®, can accurately achieve the planned knee alignment during total knee replacement, regardless of which of two implant types is used. Adults with knee osteoarthritis needing surgery will be randomly assigned to receive either the Attune or Persona implant, with all surgeries guided by the robotic system. Researchers will compare CT scans before and after surgery to measure alignment accuracy, and track pain and function over 24 months. The goal is to see if the robotic system consistently delivers precise results, which could help surgeons make better implant choices in the future.

What this could mean

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

Active substance
Attune or Persona total knee implant used with the KUNWU® robotic surgical system
What this could lead to
If successful, this could help surgeons choose the best implant for robotic knee replacement, improving surgical accuracy and potentially leading to better long-term outcomes for patients.
What could go wrong
This is a relatively small, early-stage trial, and results may not apply to all patients or other robotic systems. As with any surgery, there are risks of complications, and the robotic system may not always achieve the planned alignment perfectly.

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 100 people

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

Started

Mar 2026

Expected to finish

Dec 2028

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

18 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: * Adults aged 18 years and older. * Diagnosis of symptomatic knee osteoarthritis requiring total knee replacement. * Ability to give informed consent. * Feasibility of using the two types of implants Exclusion Criteria: \- Severe radiographic knee OA (Kellgren-Lawrence grade 4) or severe knee pain (VAS\>80mm/100 mm) that could not tolerate further conservative management

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Conditions

The condition(s) this trial relates to.

osteoarthritis, knee

As listed by the trial registrant

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

Knee osteoarthristis

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

  • The Duchess of Kent Children's Hospital at Sandy Bay

    RECRUITING

    Hong Kong, Sandy Bay, 999077, Hong Kong

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