A Prospective Radiostereometric Analysis (RSA) and Clinical Evaluation of the Triathlon Tritanium Total Knee Replacement
1 other identifier
observational
27
1 country
1
Brief Summary
This study seeks to find out if the tibial and patellar components of the Stryker Triathlon Tritanium primary total knee replacement achieve adequate fixation to the underlying bone.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 1, 2015
CompletedFirst Submitted
Initial submission to the registry
February 13, 2015
CompletedFirst Posted
Study publicly available on registry
February 27, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2019
CompletedFebruary 27, 2015
February 1, 2015
4 years
February 13, 2015
February 26, 2015
Conditions
Outcome Measures
Primary Outcomes (1)
Radiostereometric analysis of tibial and patellar components of the Stryker Triathlon Tritanium at 6 weeks, 3 months, 6 months, 1 year and 2 years.
3 years
Secondary Outcomes (1)
Improved health status and functional outcomes as measured by the Knee Society Scoring System and EQ-5D questionnaires.
3 years
Interventions
Eligibility Criteria
Community sample of patients undergoing total knee replacement with the Triathlon Tritanium knee components at Central DuPage Hospital.
You may qualify if:
- Symptomatic osteoarthritis of the knee indicating surgical intervention
- Scheduled to undergo a total knee arthroplasty
- Patients between the ages of 18 and 80, inclusive
- Patient is a candidate for Triathlon Tritanium cementless knee components implanted in accordance with product labeling
You may not qualify if:
- Significant co-morbidity affecting ability to ambulate
- Prior arthroplasty, patellectomy or osteotomy with the affected knee
- Active or prior infection of the affected knee
- Morbid obesity (BMI \> 40)
- Medical condition precluding major surgery
- Severe osteoporosis
- Neuromuscular impairment
- Pregnancy
- Inability to give informed consent
- Inability to return for follow-up visits for a minimum of two years after surgery
- Currently participating in any other surgical intervention study
- Known allergy to metals
- Flexion contracture greater than 15°
- Extension lag greater than 10°
- Tibial subluxation greater than 10 mm on standing AP radiograph
- +2 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Scott Sporerlead
- Stryker Orthopaedicscollaborator
Study Sites (1)
Central DuPage Hospital
Winfield, Illinois, 60190, United States
Related Publications (2)
Ryd L, Albrektsson BE, Carlsson L, Dansgard F, Herberts P, Lindstrand A, Regner L, Toksvig-Larsen S. Roentgen stereophotogrammetric analysis as a predictor of mechanical loosening of knee prostheses. J Bone Joint Surg Br. 1995 May;77(3):377-83.
PMID: 7744919RESULTPijls BG, Valstar ER, Nouta KA, Plevier JW, Fiocco M, Middeldorp S, Nelissen RG. Early migration of tibial components is associated with late revision: a systematic review and meta-analysis of 21,000 knee arthroplasties. Acta Orthop. 2012 Dec;83(6):614-24. doi: 10.3109/17453674.2012.747052. Epub 2012 Nov 9.
PMID: 23140091RESULT
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Scott Sporer, MD
Central DuPage Hospital
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- CASE ONLY
- Time Perspective
- PROSPECTIVE
- Target Duration
- 2 Years
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- Medical Director, Orthopedic Institute
Study Record Dates
First Submitted
February 13, 2015
First Posted
February 27, 2015
Study Start
February 1, 2015
Primary Completion
February 1, 2019
Last Updated
February 27, 2015
Record last verified: 2015-02