New knee implant under review: could it ease arthritis pain?

NCT ID NCT04817969

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is testing the Persona Ti-Nidium knee implant in 240 people who need total knee replacement due to conditions like osteoarthritis or rheumatoid arthritis. The goal is to see if the implant is safe and improves knee function and pain. Participants will be followed over time to track their recovery and any complications.

What this could mean

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

Active substance
Persona Ti-Nidium Total Knee System (a knee implant device)
What this could lead to
If successful, this could confirm that the Persona Ti-Nidium knee implant is safe and works well for people needing knee replacement surgery.
What could go wrong
This is a post-market study, so the device is already approved. However, it may not work for everyone, and risks like infection, implant loosening, or ongoing pain are possible.

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.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Denver Hip & Knee, Inc.

    Parker, Colorado, 80134, United States

  • Duke University

    Durham, North Carolina, 27708, United States

  • MedStar Health Research Institute

    Hyattsville, Maryland, 20782, United States

  • Mississippi Sports Medicine and Orthopaedic Center

    Jackson, Mississippi, 39202, United States

  • Monument Health Rapid City Hospital, Inc.

    Rapid City, South Dakota, 57701, United States

  • New Mexico Orthopaedic Associates

    Albuquerque, New Mexico, 87110, United States

  • Rothman Orthopaedic Institute

    Philadelphia, Pennsylvania, 19107, United States

More trials for these conditions

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