Comparing two methods for total knee replacement surgery

Randomized, Controlled, Single Center Observational Study to Compare the Safety and Performance of Navigation-assisted OrthoPilot® Elite and Robotic-assisted MAKO® Total Knee Arthroplasty

Aesculap AG · NCT05980442

This study is testing two different knee replacement surgery methods to see if they both help patients recover and feel satisfied with their results.

Quick facts

Study typeObservational
Enrollment140 (estimated)
Ages18 Years to 90 Years
SexAll
SponsorAesculap AG (industry)
Locations1 site (Ulm, Baden-Wurttemberg)
Trial IDNCT05980442 on ClinicalTrials.gov

What this trial studies

This observational study aims to compare the safety and performance of two surgical techniques for total knee arthroplasty: navigation-assisted OrthoPilot Elite and robotic-assisted MAKO. It is a randomized, controlled, single-center study that will assess the clinical outcomes and functional results of both approaches. The hypothesis is that both techniques will yield similar results in terms of patient recovery and satisfaction. Participants will be monitored for their progress following the surgery.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 to 90 who require total knee arthroplasty due to conditions like osteoarthritis or rheumatoid arthritis.

Not a fit: Patients with severe comorbidities classified as ASA >3 or those with specific knee conditions requiring additional procedures may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could help determine the most effective surgical method for total knee replacement, potentially improving patient outcomes.

How similar studies have performed: Previous studies comparing robotic-assisted and navigation-assisted techniques have shown promising results, indicating that both methods can be effective, but this specific comparison is less common.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Indication for a TKA with a fixed-bearing total knee endoprosthesis
* Written informed consent for participating in the clinical study

Exclusion Criteria:

* Patient age \<18 years and \>90 years
* Patient not willing to participate at the follow-up
* Pregnancy
* retropatellar arthrosis requiring patella resurfacing
* American Society of Anaesthesiologists (ASA) Classification \>3

Where this trial is running

Ulm, Baden-Wurttemberg

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Osteoarthritis, Knee, Joint Diseases, Rheumatoid Arthritis of Knee, Posttraumatic Arthropathy, computer assisted orthopedic surgery, robotic assisted orthopedic surgery, orthopedic navigation, total knee arthroplasty

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.