NCT01274546

Brief Summary

The purpose of this study is to obtain long-term (10+ yrs) clinical and patient outcomes data on patients who received the cruciate-retaining Foundation Knee system during or prior to the year 2000.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
43

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Aug 2010

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 1, 2010

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

January 10, 2011

Completed
1 day until next milestone

First Posted

Study publicly available on registry

January 11, 2011

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2012

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2012

Completed
Last Updated

August 7, 2012

Status Verified

August 1, 2012

Enrollment Period

1.8 years

First QC Date

January 10, 2011

Last Update Submit

August 6, 2012

Conditions

Outcome Measures

Primary Outcomes (1)

  • Survivorship of the Device

    The subject meets the inclusion/exclusion of the study and has a Foundation Knee that has survived without revision to date.

    Single visit

Secondary Outcomes (6)

  • Knee Society Score Evaluation

    Single visit

  • Short Form - 36

    Single Visit

  • Oxford Knee Score Assessment

    Single visit

  • WOMAC Osteoarthritis Index

    Single visit

  • Range of Motion

    Single visit

  • +1 more secondary outcomes

Study Arms (2)

"In Office"

These subjects will come into the office to perform the consenting process, and complete all evaluations required at the only visit in the study.

Device: cruciate-retaining Foundation Knee system

"Telephone Arm"

These subjects will be consented over the phone and give a verbal consent to participate. They will complete all aspects of the study over the phone except for the knee society score evaluation and the x-ray.

Device: cruciate-retaining Foundation Knee system

Interventions

subjects who received the cruciate-retaining Foundation Knee system greater than or equal to 10 years ago and still maintain the original device in their knee.

"In Office""Telephone Arm"

Eligibility Criteria

Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

The study will include only subjects who received the cruciate-retaining Foundation Knee System during or before the year 2000 and who voluntarily consent to take part in this study.

You may qualify if:

  • Subject must have received a cruciate-retaining Foundation Knee system during or prior to the year 2000.
  • Surgery must have been a primary knee replacement.
  • Subject must have received only one primary knee replacement per hospitalization
  • Subject must have had a primary diagnosis of osteoarthritis of the operative knee.
  • Subject is able and willing to sign the informed consent document

You may not qualify if:

  • Subject must not have had any previous knee implants (unicondylar or total joint replacements)
  • Subject has a mental condition that may interfere with the subject's ability to give an informed consent or willingness to fulfill the study requirements (i.e., severe mental retardation such that the Subject cannot understand the informed consent process, global dementia, prior strokes that interfere with the Subject's cognitive abilities, senile dementia, and Alzheimer's Disease)
  • Subject is a prisoner

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Unknown Facility

Scottsdale, Arizona, 85251, United States

Location

Charleston Orthopaedic Assoc.

Charleston, South Carolina, 29414, United States

Location

Study Officials

  • Richard J Friedman, M.D.

    Charleston Orthopedic Association

    PRINCIPAL INVESTIGATOR
  • Joseph A Longo III, M.D.

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
CASE ONLY
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 10, 2011

First Posted

January 11, 2011

Study Start

August 1, 2010

Primary Completion

May 1, 2012

Study Completion

July 1, 2012

Last Updated

August 7, 2012

Record last verified: 2012-08

Locations