Study Stopped
Study withdrawn prior to initiation
Optetrak Posterior Stabilized Versus Optetrak Hi-Flex
Prospective, Single-center, Non-randomized, Consecutive Series Study Comparing Functional Differences Between a Standard Posterior Stabilized TKR and a High-flexion Posterior Stabilized TKR
1 other identifier
interventional
N/A
1 country
1
Brief Summary
The purpose of this study is to evaluate the differences in clinical outcomes between the Optetrak® Posterior Stabilized ("Optetrak® PS", Exactech, Gainesville, FL) and the Optetrak® Hi-Flex™ ("Optetrak® HF", Exactech, Gainesville, FL) knee designs.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
Started Dec 2008
Typical duration for not_applicable
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
December 1, 2008
CompletedFirst Submitted
Initial submission to the registry
December 15, 2008
CompletedFirst Posted
Study publicly available on registry
December 16, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 1, 2012
CompletedStudy Completion
Last participant's last visit for all outcomes
January 1, 2012
CompletedSeptember 1, 2022
August 1, 2022
3.1 years
December 15, 2008
August 29, 2022
Conditions
Outcome Measures
Primary Outcomes (1)
The primary outcome of interest is knee range of motion (ROM), specifically the degree of flexion.
Physician assess range of motion in knee joint
2 years
Secondary Outcomes (6)
Knee Society Score (KSS)
2 years
Hospital for Special Surgery (HSS) Knee Score
2 years
Patient Satisfaction
2 years
Implant survivorship
2 years
Radiographic evaluation
2 years
- +1 more secondary outcomes
Study Arms (2)
Optetrak Posterior Stabilized TKR
ACTIVE COMPARATORSubjects in this arm will receive an Optetrak Posterior Stabilized total knee system.
Optetrak Hi-Flex TKR
ACTIVE COMPARATORSubjects in this arm will receive an Optetrak Hi-Flex total knee system.
Interventions
Optetrak Posterior Stabilized total knee replacement
Eligibility Criteria
You may qualify if:
- Patient is indicated for total knee replacement with a posterior stabilized device.
- Patient is between the ages of 50 and 80 years old
- Patient has a Body Mass Index (BMI) \< 35.0 using the following method (or comparable method)
- BMI = Weight (lbs.) ÷ Height (in.)2 x 703
- Patient is skeletally mature.
- Patient is willing to participate by complying with pre and postoperative visit requirements, over at least a 1-year period, including completion of studyrequired questionnaires.
- Patient is willing and able to review and sign a study Informed Consent.
You may not qualify if:
- Patient has a Body Mass Index (BMI) \> 35.0 using the following method (or comparable method)
- BMI = Weight (lbs.) ÷ Height (in.)2 x 703
- Patient is skeletally mature
- Patient is willing to participate by complying with pre and postoperative visit requirements, over at least a 1-year period, including completion of study required questionnaires.
- Patient is willing and able to review and sign a study Informed Consent.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Exactechlead
Study Sites (1)
Hampton Roads Orthopedics
Newport News, Virginia, 23606, United States
Study Officials
- STUDY DIRECTOR
Jason Drenning, Ph.D.
Exactech
- PRINCIPAL INVESTIGATOR
John W. Aldridge, MD
Hampton Roads Orthopedics
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 15, 2008
First Posted
December 16, 2008
Study Start
December 1, 2008
Primary Completion
January 1, 2012
Study Completion
January 1, 2012
Last Updated
September 1, 2022
Record last verified: 2022-08