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Can a smaller cut in robotic knee surgery mean less pain and faster healing?

NCT ID NCT07765771

Disease control Sponsor: Hallym University Kangnam Sacred Heart Hospital 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 14, 2026 · Last updated Aug 14, 2026

Summary

This trial is testing whether a minimally invasive technique for robotic knee replacement, which uses a smaller incision and less tissue disruption, can improve scar appearance and recovery compared to the standard approach. The study will involve 100 adults with knee osteoarthritis who are scheduled for robotic-assisted knee replacement. Participants will be randomly assigned to receive either the minimal-incision technique or the standard technique, and their outcomes, including scar quality, pain, and functional recovery, will be compared over time.

What this could mean

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

Active substance
Minimal-incision and soft-tissue-preserving (MISI) technique for robotic-assisted total knee arthroplasty
What this could lead to
If successful, this could offer a less invasive surgical option for knee replacement, potentially leading to smaller scars, less pain, and quicker recovery.
What could go wrong
This is a relatively small trial, and the benefits may not be significant or may not apply to all patients. There are also potential risks of surgery, such as infection or complications from the procedure.

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.

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

May 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 or older * Degenerative knee osteoarthritis requiring robotic-assisted total knee arthroplasty * Body mass index below 30 kg/m² * Preoperative knee flexion of 90 degrees or greater * Ability to understand the study information and provide written informed consent Exclusion Criteria: * Skin lesions or conditions that may adversely affect wound healing * Previous intra-articular surgery of the affected knee * Inflammatory arthritis, including rheumatoid arthritis * Severe hepatic or renal disease associated with poor general health * Comorbid conditions that may substantially affect mobility, including Parkinson disease, sequelae of poliomyelitis, or stroke * Inability or unwillingness to complete the required follow-up * Any medical or other condition that, in the investigator's judgment, makes participation inappropriate

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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.

Osteo arthritis of the knee

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

  • Hallym University Kangnam Sacred Heart Hospital

    Seoul, South Korea

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