Actively Recruiting
The Use of CCK vs PS in Revision TKAs
Led by Rush University Medical Center · Updated on 2025-11-14
170
Participants Needed
1
Research Sites
678 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
This study aims to compare the clinical impact of Constrained Condylar versus Posterior Stabilized Knee (PS) bearings on patient satisfaction and surgical outcomes including mid-term survivorship among patients undergoing revision total knee arthroplasty.
CONDITIONS
Official Title
The Use of CCK vs PS in Revision TKAs
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Patients between 18-80 years of age
- Patients undergoing both femoral and tibial component revisions, or isolated femoral component revisions with a retained tibial component compatible with PS or CCK bearings
- Patients at least 6 weeks from primary total knee arthroplasty surgery with complete pre- and post-operative knee radiographs
- Patients undergoing revision total knee arthroplasty for aseptic loosening, flexion or extension instability, component malalignment, arthrofibrosis, patellar maltracking, infection reimplantation, or bearing surface wear when femoral or tibial revision is indicated
- Use of revision total knee arthroplasty systems offering PS and CCK bearing options such as Zimmer Biomet Persona, NexGen, Vanguard; Smith and Nephew Legion; DJO/Enovis Empowr; Stryker Triathlon; Link SymphoKnee; Depuy Attune
You will not qualify if you...
- Patients undergoing revision total knee arthroplasty with a hinged implant or pre-operatively determined to require CCK bearing
- Patients older than 80 years
- Patients requiring revision total knee arthroplasty less than 6 weeks from primary surgery
- Patients undergoing revision for bearing exchange only or isolated tibial component revision
- Patients with extensor mechanism disruption or collateral ligament incompetence
- Patients with compromised soft tissue envelope requiring plastic surgery evaluation and planned soft tissue coverage
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
Rush University Medical Center
Chicago, Illinois, United States, 60612
Actively Recruiting
Research Team
O
Omary Behery, MD
CONTACT
A
Anne DeBenedetti, MSc
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
2
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