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OpenTrials
Completed

NCT Number: NCT00435357

Comparison Between Fixed- Versus Mobile-bearing TKA

The purpose of the study is to analyse the clinical and radiological results of a postero-stabilized TKA by using a mobile bearing versus fixed. Only patients with medial femorotibial arthritis will be included. The consequences on the patellofemoral joint will be thoroughly analysed on skyline view.

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Key information

Conditions

Knee Arthritis Fractures, Bone Knee Fractures Patella Fracture Wounds and Injuries

Age range

50 year–90 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Sebastien Lustig

Lyon, 69300, France

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Medial medial femorotibial arthritis requiring an arthroplasty
  • Age between 50y and 90y

Exclusion criteria

  • Lateral femorotibial arthritis
  • Inflammatory disease
  • Stiff knee with flexion under 90°
  • Revision TKA
  • Previous surgery (except meniscectomy)

Treatment and study plan

mobile-bearing TKA

Device

fixed- bearing TKA

Device

Primary outcomes

  1. International Knee Society Score

    Time frame: 2, 6 and 12 monthes after surgery

Secondary outcomes

  1. Patellofemoral tilt on skyline view, measurement of two angles :

    Time frame: 2 and 12 monthes after surgery

  2. patellar tilt

    Time frame: 2 and 12 monthes after surgery

  3. patellar displacement from the center of the trochlear groove

    Time frame: 2 and 12 monthes after surgery

Sponsors and collaborators

Lead sponsor

Hospices Civils de Lyon

Other

Registry information

Official study title

Comparison Between Fixed- Versus Mobile-bearing TKA : a Randomized Prospective Study

Important dates

Study start
2007
Primary completion
2009
Study completion
2009
First posted
Feb 14, 2007
Registry last updated
May 15, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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