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Hidden clues in foot mechanics could revolutionize flatfoot treatment

NCT ID NCT06260813

Knowledge-focused Sponsor: Universitaire Ziekenhuizen KU Leuven Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jul 10, 2026 · Last updated Jul 10, 2026

Summary

This study investigates how the shape and movement of the foot change in people with posterior tibial tendon dysfunction (PTTD), a common cause of adult-acquired flatfoot. Researchers will use advanced gait analysis, X-rays, ultrasound, MRI, and CT scans to compare patients at different stages of the condition with healthy volunteers. The goal is to create a more detailed classification system that could guide better, more personalized treatment decisions.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this research could lead to a more precise classification system for posterior tibial tendon dysfunction, helping doctors choose better treatments based on individual foot mechanics.
What could go wrong
This is an observational study, not a treatment trial. It will not directly test any therapy, and the findings may not immediately change clinical practice.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 100 people

The number the study aims to enrol. It can still change while the study runs.

Started

Aug 2022

Expected to finish

Aug 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 75 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion criteria: * Patient groups: * Posterior tibial tendon dysfunction (all clinical stages) * Age 18-675 year * ICF obtained * Control group: * No pain complaints * No pes plano valgus, PTTD or pes cavo varus or other foot and ankle pathology * Age 18-75 year * ICF obtained Exclusion criteria patient and control groups: * Being younger than 18 years * Inability to walk without mobility aids * Inability to walk \< 100 meter * Difference in leg length \> 3cm * Subjects with BMI\>30 kg/m², due to less accurate gait analysis by absence of anatomical landmarks * Subjects unable to perform a gait analysis * Any medical condition possibly affecting normal gait. * Pregnancy: at the start or during the study

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Conditions

The condition(s) this trial relates to.

Posterior Tibial Tendon Dysfunction

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Posterior tibial tendon dysfunction

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • UZ Leuven

    RECRUITING

    Leuven, Vlaams-Brabant, 3000, Belgium

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