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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03711747
Other study ID # 2011144
Secondary ID
Status Completed
Phase
First received
Last updated
Start date January 1, 2019
Est. completion date October 1, 2022

Study information

Verified date November 2022
Source University of Missouri-Columbia
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

With IRB approval, a prospective single-cohort clinical trial will be performed to assess safety and efficacy of total biologic arthroplasty of the ankle. With informed consent, patients (n=10) who require tibio-talar arthroplasty based on physical examination and diagnostic imaging will be enrolled. Primary criteria for inclusion will be Grade IV changes in the articular cartilage of the tibial plafond and/or talar dome as determined by physical examination, diagnostic imaging and/or arthroscopy by the attending surgeon. Exclusion criteria include acute injury to any other part of the affected lower extremity or inability to comply with the protocol. After enrollment, patients will undergo standard ankle radiography and complete assessments (described below). Size-matched (standard clinical methodology) MOPSTM allografts (Musculoskeletal Transplant Foundation, Edison, NJ) from the same donor will be obtained to treat the entire tibiotalar joint. The affected joint will be treated with OCA transplants using our current technique and instrumentation. Osteochondral grafts including MOPSTM OCAs are regulated under U.S. Food and Drug Administration (FDA) section 361 of the Public Health Service Act and 21 Code of Federal Regulation 1271 that defines human cells, tissues or cellular or tissue based products (HCT/P). Patients will follow a managed post-operative rehabilitation protocol that is standard for those that have had an osteochondral allograft to their ankle. Range of motion and patient-reported outcome measures (PROMs) including VAS pain score, AOFAS, and PROMIS Mobility as well as complete radiographs (XR) of the affected ankle will be obtained prior to surgery and at 6 weeks, 3 months, 6 months, and 12 months after surgery to evaluate healing, function and evidence for arthrosis. MRIs for cartilage composition (12 months after surgery, and serum and urine biomarkers for treatment monitoring (preop, 6 and 12 months after surgery) will be performed. We will document all adverse events and complications, including joint or incision infection, graft failure, hardware failure, and arthrofibrosis. Patients with a VAS pain score >5 beyond 3 months postoperatively or clinical or diagnostic imaging evidence for nonunion or graft collapse will undergo MRI of the ankle to determine the appropriate clinical course of action. OCA survival will be determined based on maintenance of acceptable levels of pain (<2 VAS) and function and/or need for revision surgery or total ankle arthroplasty, fusion, or amputation.


Recruitment information / eligibility

Status Completed
Enrollment 10
Est. completion date October 1, 2022
Est. primary completion date October 1, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 55 Years
Eligibility Inclusion Criteria: i. Grade IV changes in the articular cartilage of the tibial plafond and/or talar dome as determined by physical exam, diagnostic imaging, and/or arthroscopy by the attending surgeon ii. Between the age of 18-55 Exclusion Criteria: i. Acute injury to any other part of the affected lower extremity ii. Inability to comply with protocol iii. BMI greater than 40 iv. The subject is either pregnant or a prisoner v. Currently involved in worker's compensation case at the time of enrollment

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Osteochondral allograft ankle
Open osteochondral allograft to replace the cartilage that is grade four on the tibia and/or talus

Locations

Country Name City State
United States Missouri Orthopaedic Institute Columbia Missouri

Sponsors (1)

Lead Sponsor Collaborator
University of Missouri-Columbia

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Visual Analog Scale (VAS) score Pain assessment which measures what a patient rates their pain between 0 and 10, with 0 being no pain, and 10 being the most pain 12 Months
Secondary American Orthopaedic Foot and Ankle Society (AOFAS) score This measurement tool measures a patient's function out of 100, with 100 being highest amount of function 12 Months
Secondary PROMIS - Physical Function and Mobility A survey related to physical function and mobility 12 Months
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