Study Stopped
Business Decision
INFINITY™Total Ankle Replacement Follow-up
ITAR
1 other identifier
observational
155
1 country
9
Brief Summary
Study Title INFINITY™Total Ankle Replacement Follow-up (ITAR) Study Design Prospective, multi-site, multi-year post-market clinical follow-up study Study Group Primary/Unilateral and/or bilateral Total Ankle Arthroplasty subjects implanted with INFINITY™ Total Ankle System Number of Subjects 150 with 9 sites
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
Started Oct 2017
Longer than P75 for all trials
9 active sites
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
First Submitted
Initial submission to the registry
September 8, 2017
CompletedFirst Posted
Study publicly available on registry
September 11, 2017
CompletedStudy Start
First participant enrolled
October 9, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 31, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
March 31, 2023
CompletedResults Posted
Study results publicly available
February 14, 2025
CompletedFebruary 14, 2025
February 1, 2025
5.5 years
September 8, 2017
July 22, 2024
February 12, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Survivorship at 10 Years
The primary endpoint is a survivorship rate at 10 years as defined with a Kaplan Meier survivorship analysis.
10 years
Secondary Outcomes (5)
Radiographic Evaluation-physician Reported Questionnaire
Pre-op through 2 years
PROMIS Scale v1.2- Global Health
2 years
Ankle Osteoarthritis Score (AOS)
Pre-op though 2 years
FAOS Questionnaire
2 years
TAR Satisfaction Questionnaire
Pre-op through 2 years
Eligibility Criteria
Primary/Unilateral and/or bilateral Total Ankle Arthroplasty subjects implanted with INFINITY™ Total Ankle System
You may qualify if:
- Be 21 years of age or older at the time of surgery;
- Diagnosed with unilateral and/or bilateral ankle joint disease;
- Diagnosed with ankle joint damage from rheumatoid arthritis, post-traumatic, or degenerative arthritis;
- Willing and able to consent to participate (written, informed consent;
- Willing and able to attend the requested follow-up visits;
- A clinical decision has been made to use INFINITY™ Total Ankle System replacement prior to enrollment in the research.
You may not qualify if:
- Subjects with an ankle condition, as determined by the investigator, to be an inappropriate candidate for a total ankle replacement;
- Subjects requiring revision total ankle replacement of the ankle being considered for study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (9)
Eisenhower Medical Center
Rancho Mirage, California, 92270, United States
Orthopaedic & Spine Center of the Rockies
Fort Collins, Colorado, 80525, United States
Illinois Bone & Joint Institute
Libertyville, Illinois, 60048, United States
Orthopaedic Associates of Michigan, PC
Grand Rapids, Michigan, 49525, United States
Beaumont Hospital-Royal Oak
Royal Oak, Michigan, 48073, United States
Slocum Center for Orthopedics & Sports Medicine
Eugene, Oregon, 97401, United States
Medical University of South Carolina
Charleston, South Carolina, 29425, United States
UT Erlanger
Chattanooga, Tennessee, 37403, United States
Campbell Clinic
Germantown, Tennessee, 38138, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Limitations and Caveats
As the study was terminated early, outcomes and adverse events can only be reported up to the date of closure.
Results Point of Contact
- Title
- Jennifer Seidman, Manager, Clinical Research
- Organization
- Stryker
Study Officials
- STUDY DIRECTOR
Rebecca Gibson
Stryker Trauma and Extremities
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- observational
- Observational Model
- OTHER
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 8, 2017
First Posted
September 11, 2017
Study Start
October 9, 2017
Primary Completion
March 31, 2023
Study Completion
March 31, 2023
Last Updated
February 14, 2025
Results First Posted
February 14, 2025
Record last verified: 2025-02
Data Sharing
- IPD Sharing
- Will not share