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Comparison of Customized and Standard Total Ankle Prostheses

Key facts

Who runs it
Istituto Ortopedico Rizzoli
Where
Italy1 site in 1 countryChoose a country to see its sites
Trial code
Status
Recruiting
People taking part
24 people, planned
Started
26 Jul 2023
Expected to end
26 Apr 2027
Type of study
Interventional, 2 groupsOne group gets an existing treatment, for comparison.
Treatments tested
  • Total ankle arthroplasty
Record updated
29 December 2025

Who can take part

Age
40 years to 75 years
Sex
Women and men
Healthy volunteers
Cannot take part

The registry criteria, word for word

Show all 15 criteriaShow less

Who can take part

  • Male and female subjects older than 40 years and younger than 75 years (≥ 40 age ≤ 75 years) with arthrosis at the unilateral tibio-tarsal joint who are candidates for primary total ankle replacement
  • Consenting patients and able to complete scheduled study procedures and follow-up evaluations
  • Patients who have signed the "informed consent" approved by the Ethics Committee

Who cannot take part

  • Patients that requires ancillary surgical procedures
  • Social conditions (homeless patients, with restrictions on personal freedom)
  • Deep venous insufficiency Lower limbs
  • History of Erisipelas lower limbs
  • Neurological or psychocognitive disorders
  • neurological diseases
  • Personal or family history of DVT or EP
  • Patients with rheumatic diseases
  • ASA 3 and 4
  • Axial deformities of ankle >15°
  • Prosthetic and/or arthrodesis surgeries at another lower extremity joint except that candidate for ankle prosthesis)
  • Pregnant women

Check if you might fit

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 40 and 75 years old?

This trial has no sites in United States.

It has sites in one country. Choose a country to see its sites.

About the trial

What the trial wants to find out

The objective of this study is to compare primary total ankle replacement (TAR) performed with a customized procedure (prostheses customized for each patient based on his or her ankle morphology reconstructed from tomographic scans, and implanted via cutting guides customized for the patient) with standard primary TARs, considering: objective radiological results, subjective patient outcomes, and overall costs of both procedures

The 2 groups in the trial

  • TraditionalExisting treatment, for comparison

    In the STANDARD group, patients will undergo a primary TAR by implanting a prosthetic model of a standard design, that is the same for all using the usual surgical technique and instrumentation (based on the use of external leg guidance)

    Treatment: Total ankle arthroplasty

  • CustomTreatment being tested

    In the PERSONALIZED group, patients will undergo a primary TAR by implanting a prosthetic model with a design specifically based on each patient's actual ankle morphology and using PSI surgical technique and instrumentation.

    Treatment: Total ankle arthroplasty

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
Comparison of Customized and Standard Total Ankle Prostheses: a Pilot Study
Fit questions
Built from NCT06193057, who can take part
Record updated
29 December 2025
Under construction, not live – Comparison of Customized and Standard Total Ankle Prostheses (NCT06193057) – Frontlight Research