Shoe inserts might soothe back pain for Flat-Footed patients

NCT ID NCT03996980

Completed Symptom relief Sponsor: University of Seville Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study tested whether custom-made foot orthoses (shoe inserts) can reduce chronic low back pain in adults with pronated (flat) feet. 110 participants were randomly assigned to wear either custom orthoses or flat insoles for a period. Researchers measured pain levels and disability using standard questionnaires. The goal was to see if correcting foot posture could relieve back pain.

What this could mean

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

Active substance: custom-made foot orthoses
What this could lead to: If it works, this could offer a simple, non-drug way to ease chronic low back pain in people with flat feet.
What could go wrong: This is a small, completed trial with 110 participants. The orthoses may not help everyone, and benefits might be modest or no better than a flat insole.

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

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Conditions

The condition(s) this trial relates to.

Low Back Pain

As listed by the trial registrant

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

CHRONIC LOW-BACK PAIN FOOT PRONATION

Contacts and locations

Locations

Manuel Pabón Carrasco

Seville, Spain
university. Departament of Podiatry

Seville, 41009, Spain

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