NCT03277989

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

57
Monitor

Trial Health Score

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

Enrollment
155

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Oct 2017

Longer than P75 for all trials

Geographic Reach
1 country

9 active sites

Status
terminated

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

Completed
3 days until next milestone

First Posted

Study publicly available on registry

September 11, 2017

Completed
28 days until next milestone

Study Start

First participant enrolled

October 9, 2017

Completed
5.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 31, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 31, 2023

Completed
1.9 years until next milestone

Results Posted

Study results publicly available

February 14, 2025

Completed
Last Updated

February 14, 2025

Status Verified

February 1, 2025

Enrollment Period

5.5 years

First QC Date

September 8, 2017

Results QC Date

July 22, 2024

Last Update Submit

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

Age21 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

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

Location

Orthopaedic & Spine Center of the Rockies

Fort Collins, Colorado, 80525, United States

Location

Illinois Bone & Joint Institute

Libertyville, Illinois, 60048, United States

Location

Orthopaedic Associates of Michigan, PC

Grand Rapids, Michigan, 49525, United States

Location

Beaumont Hospital-Royal Oak

Royal Oak, Michigan, 48073, United States

Location

Slocum Center for Orthopedics & Sports Medicine

Eugene, Oregon, 97401, United States

Location

Medical University of South Carolina

Charleston, South Carolina, 29425, United States

Location

UT Erlanger

Chattanooga, Tennessee, 37403, United States

Location

Campbell Clinic

Germantown, Tennessee, 38138, United States

Location

MeSH Terms

Conditions

Arthritis, Rheumatoid

Condition Hierarchy (Ancestors)

ArthritisJoint DiseasesMusculoskeletal DiseasesRheumatic DiseasesConnective Tissue DiseasesSkin and Connective Tissue DiseasesAutoimmune DiseasesImmune System Diseases

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

  • Rebecca Gibson

    Stryker Trauma and Extremities

    STUDY DIRECTOR

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

Locations