NCT05231304

Brief Summary

This study is a retrospective analysis of patients who underwent surgery using a total talus replacement (TTR) implant with or without concurrent total ankle replacement and/or subtalar fusion. This study seeks to analyze the clinical and radiographic outcomes of TTR implant recipients and generate additional data on the safety and benefit of the TTR implant.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
80

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Apr 2022

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

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

January 27, 2022

Completed
13 days until next milestone

First Posted

Study publicly available on registry

February 9, 2022

Completed
2 months until next milestone

Study Start

First participant enrolled

April 5, 2022

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 6, 2023

Completed
1.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

February 19, 2024

Completed
Last Updated

February 21, 2024

Status Verified

February 1, 2024

Enrollment Period

9 months

First QC Date

January 27, 2022

Last Update Submit

February 19, 2024

Conditions

Keywords

Retrospective StudyAnkle JointTalusArthrodesisPrinting, Three-DimensionalJoint ProsthesisProsthesis Design

Outcome Measures

Primary Outcomes (1)

  • Improvement in pain from pre-operative baseline

    Primary probable benefit endpoint is improvement in pain at 12 months from preoperative baseline.

    12-months

Secondary Outcomes (5)

  • Improvement in Patient Reported Outcomes

    3 months

  • Improvement in Patient Reported Outcomes

    6 months

  • Improvement in Patient Reported Outcomes

    12 months

  • Improvement in Patient Reported Outcomes

    24 months

  • Improvement in Patient Reported Outcomes

    36 months

Other Outcomes (2)

  • Subsequent Surgical Intervention

    Up to 3 years.

  • Adverse Events (AEs)/Serious Adverse Events (SAEs)

    Up to 3 years.

Study Arms (4)

Total Talus Replacement

Procedure: Total Talus Replacement (TTR)

Total Ankle Total Talus Replacement

Procedure: Total Ankle Total Talus Replacement (TATTR)

Total Ankle Total Talus Replacement + Subtalar Fusion

Procedure: Total Ankle Total Talus Replacement + Subtalar Fusion (TATTR + STJ)

Total Talus Replacement + Subtalar Fusion

Procedure: Total Talus Replacement + Subtalar Fusion (TTR + STJ)

Interventions

Surgical implantation of restor3d's patient-specific custom Total Talus Replacement device.

Total Talus Replacement

Surgical implantation of restor3d's patient-specific custom Total Ankle Total Talus Replacement (TATTR) device.

Total Ankle Total Talus Replacement

Surgical implantation of restor3d's patient-specific custom Total Ankle Total Talus Replacement (TATTR) device with concurrent subtalar fusion.

Total Ankle Total Talus Replacement + Subtalar Fusion

Surgical implantation of restor3d's patient-specific custom Total Talus Replacement (TTR) device with concurrent subtalar fusion.

Total Talus Replacement + Subtalar Fusion

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

All adult patients who underwent surgery involving a TTR implant with or without total ankle replacement and/or subtalar fusion between 1/1/2019 and 01/28/2022 will be will be included in this retrospective review. Patients with at least one postoperative follow-up visit will be included in this study. Only data in existence as of 01/28/2022 will be collected.

You may qualify if:

  • \>18 Years of Age
  • Patient underwent surgery involving a total talus replacement implant between 1/1/2019 and 01/28/2022.

You may not qualify if:

  • No available postoperative data

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Orthopaedic Institute of Western Kentucky

Paducah, Kentucky, 42001, United States

Location

The Bellevue Hospital

Bellevue, Ohio, 44811, United States

Location

MeSH Terms

Conditions

Ankylosis

Condition Hierarchy (Ancestors)

Joint DiseasesMusculoskeletal Diseases

Study Design

Study Type
observational
Observational Model
CASE CROSSOVER
Time Perspective
RETROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 27, 2022

First Posted

February 9, 2022

Study Start

April 5, 2022

Primary Completion

January 6, 2023

Study Completion

February 19, 2024

Last Updated

February 21, 2024

Record last verified: 2024-02

Locations