Can a simple shoe insert ease flatfoot pain?
NCT ID NCT07755215
First seen Aug 10, 2026 · Last updated Aug 11, 2026 · Updated 1 time
Summary
This study tests whether wearing an insole or a medial arch support during a short walk can ease pain and change muscle stiffness in young adults with flatfoot. Ninety participants will be randomly assigned to one of two support devices or to a control group. Researchers will measure muscle properties and pain before and after a 30-minute treadmill walk to see if these simple supports offer immediate benefits.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Insole and medial arch support devices
- What this could lead to
- If effective, these simple shoe inserts could offer a low-cost, non-invasive way to reduce pain and improve muscle function in people with flatfoot.
- What could go wrong
- This is a small, short-term study measuring immediate effects only. Results may not last or apply to all flatfoot cases, and individual responses can vary.
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
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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
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About 90 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- Expected to finish
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Feb 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 30 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide 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: * Aged 18-30 years * Diagnosed with unilateral or bilateral pes planus * Willing to participate voluntarily in the study Exclusion Criteria: * History of lower-extremity injury or surgery within the past 6 months * Diagnosis of a rheumatologic or neurological condition that may affect foot joint alignment * Skin lesions or damage that may prevent the measurements from being performed * Current use of an orthosis, such as an insole or wedge, to support pes planus * Body mass index (BMI) ≥25 kg/m² or ≤18.5 kg/m² * Unwilling to participate in the study
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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.
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Other studies related to the condition(s) this trial covers.
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