Smart knee surgery: new navigation tool aims for perfect fit

NCT ID NCT04844879

Completed Knowledge-focused Sponsor: Medacta International SA Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a surgical navigation system called NextAR TKA that helps surgeons balance soft tissues during knee replacement. Forty adults scheduled for knee replacement with a specific implant were enrolled. The goal was to see if the system improves patient-reported outcomes like pain and function. The study is complete, and results will show whether this technology offers benefits over 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: NextAR TKA system (surgical guidance device)
What this could lead to: If successful, this could lead to more personalized and potentially better outcomes for knee replacement surgery.
What could go wrong: This is a small, early-stage study with only 40 participants, so results may not apply to everyone. The device is already approved, but its added benefit over standard surgery is not yet proven.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

musculoskeletal system disorder osteoarthritis, knee

As listed by the trial registrant

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

MUSCULOSKELETAL DISEASES

Contacts and locations

Locations

Kantonsspital Winterthur

Winterthur, 8401, Switzerland
Privatklinik Belair

Schaffhausen, 8200, Switzerland
Privatklinik Lindberg

Winterthur, 8400, Switzerland
Uniklinik Balgrist

Zurich, 8008, Switzerland

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