NCT04770870

Brief Summary

The H3 TAR Prosthesis was approved by FDA (P160036) on June 4, 2019. Continued approval of the premarket approval application (PMA) is contingent upon the submission of periodic reports (Annual Report), required under 21 CFR 814.84. In order to provide continued reasonable assurance of the safety and effectiveness of the PMA device, data from this post-approval study must be submitted to FDA in a PMA Post-Approval Study Report per the requirements set forth in the approval.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
232

participants targeted

Target at P75+ for not_applicable

Timeline
35mo left

Started Feb 2022

Longer than P75 for not_applicable

Geographic Reach
1 country

10 active sites

Status
recruiting

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 Progress60%
Feb 2022Apr 2029

First Submitted

Initial submission to the registry

February 22, 2021

Completed
3 days until next milestone

First Posted

Study publicly available on registry

February 25, 2021

Completed
11 months until next milestone

Study Start

First participant enrolled

February 1, 2022

Completed
7.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2029

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2029

Last Updated

June 25, 2024

Status Verified

June 1, 2024

Enrollment Period

7.2 years

First QC Date

February 22, 2021

Last Update Submit

June 24, 2024

Conditions

Outcome Measures

Primary Outcomes (2)

  • Primary Safety Measurement

    The Primary Safety Measurement for this study is the percentage of patient subjects with a serious device-related adverse event, other than a revision or removal within 2 years.

    5-years

  • Primary Effectiveness Measurement

    The co-primary effectiveness measurements for this study are the American Orthopaedic Foot and Ankle Society (AOFAS) score at 2 years or more, the survivorship (absence of removal/revisions of metal components) within 5 years post-surgery, and the percentage of subjects with a serious device-related adverse event, other than a revision or removal within 2 years.

    5-years

Study Arms (1)

Treatment Arm

OTHER

All subjects who meet eligibility, consented, and enrolled into the study will receive treatment.

Device: Hintermann Series H3 Total Ankle Replacement System

Interventions

Intervention will include receiving the FDA approved Hintermann Series H3 Total Ankle Replacement System, to include a tibial component, a polyethylene inlay, and a talar component.

Treatment Arm

Eligibility Criteria

Age21 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Each potential subject must be an appropriate candidate for mobile bearing TAR by having: a primary osteoarthritis, post-traumatic osteoarthritis, or arthritis secondary to inflammatory disease, as determined by the Principle Investigator.
  • Willingness to participate in the study and follow-up visits
  • Written informed consent, including authorization to release collected health data

You may not qualify if:

  • Skeletal immaturity
  • Bone stock inadequate to support the device including:
  • Severe osteoporotic or osteopenic condition or other conditions resulting in poor bone quality
  • Avascular necrosis of the talus
  • Active or prior deep infection in the ankle joint or adjacent bones
  • Malalignment or severe deformity of involved or adjacent anatomic structures including:
  • Hindfoot or forefoot malalignment precluding plantigrade foot
  • Significant malalignment of the knee joint
  • Insufficient ligament support that cannot be repaired with soft tissue stabilization (syndesmosis disruption)
  • Charcot joint or peripheral neuropathy that may lead to Charcot joint of the affected ankle
  • Neuromuscular disease resulting in lack of normal muscle function about the affected ankle
  • Lower extremity vascular insufficiency demonstrated by Doppler arterial pressure
  • Poor skin and soft tissue quality about the surgical site
  • Immunosupressive therapy
  • Prior ankle fusion or revision of total ankle replacement
  • +3 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (10)

Los Angeles Institute of Foot and Ankle Surgery

Mission Hills, California, 91345, United States

RECRUITING

Florida Orthopedic Foot & Ankle Center

Sarasota, Florida, 34233, United States

RECRUITING

Paley Orthopedic & Spine Institute

West Palm Beach, Florida, 33407, United States

RECRUITING

Orthopaedic Associates

Evansville, Indiana, 47710, United States

RECRUITING

Department of Orthopedic Surgery, Johns Hopkins Outpatient Center

Baltimore, Maryland, 21287, United States

RECRUITING

New Mexico Bone and Joint Institute

Alamogordo, New Mexico, 88310, United States

RECRUITING

Duke Orhtopaedics Arringdon

Morrisville, North Carolina, 27560, United States

RECRUITING

Dept. of Orthopedic Surgery and Rehabilitation, University of Oklahoma

Oklahoma City, Oklahoma, 73104, United States

TERMINATED

MUSC Department of Orthopaedics/Foot and Anke Services

Charleston, South Carolina, 29425, United States

RECRUITING

Spring Branch Podiatry, PLLC

Houston, Texas, 77024, United States

RECRUITING

Central Study Contacts

In House Clinical Research Associate

CONTACT

Study Project Manager

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Model Details: Prospective, multicenter, single arm post approval study of 232 subjects up to 10 US study sites
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 22, 2021

First Posted

February 25, 2021

Study Start

February 1, 2022

Primary Completion (Estimated)

April 1, 2029

Study Completion (Estimated)

April 1, 2029

Last Updated

June 25, 2024

Record last verified: 2024-06

Data Sharing

IPD Sharing
Will not share

Locations