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NCT Number: NCT07765082

Textured Insoles to Restore Sensorimotor Function in Patients With Plantar Fasciopathy

This study will evaluate the immediate effects of wearing textured insoles on gait, postural control, and sensorimotor function in adults with plantar fasciopathy. Researchers will compare functional performance while participants wear textured insoles to determine whether this intervention may improve stability, movement and future studies of longer-term treatment.

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Key information

Conditions

Age range

18 year–55 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

University of Kentucky - Sports Medicine Research Institute

Lexington, Kentucky, 40506, United States

Location contact

Jennifer Xu, PhD

CONTACT

[email protected]

8593239850

About this study

Plantar fasciopathy is a common condition that causes heel pain and is associated with impaired sensorimotor function, altered gait, reduced balance and decreased physical function. Current treatments primarily target symptom relief and do not directly address sensorimotor impairments. Textured insoles provide sensory stimulation to the plantar surface of the foot and may improve balance, gait mechanics and functional performance by enhancing plantar cutaneous input. This study will investigate the acute effects of textured insoles on gait, postural control and sensorimotor function in adults with plantar fasciopathy. Results will provide preliminary evidence regarding the feasibility and potential effectiveness of textured insoles as a treatment strategy and inform future studies evaluating longer-term outcomes.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Diagnosis of plantar fasciopathy for at least 3 months
  • Able to walk continuously at a self-selected pace for at least 20 minutes
  • Able and willing to provide informed consent

Exclusion criteria

  • Concomitant lower extremity injury (example fracture)
  • History of lower extremity injury within the previous 6 months
  • History of hip, knee, or ankle surgery involving bones, joints, ligaments, tendons, or cartilage.
  • Any condition other than plantar fasciopathy that affects balance or plantar cutaneous sensation.
  • Neurological deficits, vestibular disorders, visual disturbances, or other conditions that impair movement or sensory function.
  • Pregnancy
  • Unable to speak or understand English.

Treatment and study plan

Textured insole

Other

A textured shoe insole designed to provide plantar sensory stimulation by increasing cutaneous input to the foot during standing and walking.

Smooth Insole

Other

A smooth shoe insole without surface texture used as a control device for comparison with the textured insole.

Primary outcomes

  1. Change in Postural Control

    Time frame: Baseline and immediately following completion of each intervention condition during the study visit

    Postural control will be assessed while participants complete standardized balance testing under each study condition. Performance will be compared between the textured insole and smooth insole conditions to evaluate the acute effects of textured insoles on postural control.

Secondary outcomes

  1. Change in Gait Characteristics

    Time frame: Baseline and immediately following completion of each intervention condition during the study visit.

    Gait characteristics will be assessed during walking trials under each study condition and compared between the textured and smooth insole conditions.

  2. Change in Plantar Sensation

    Time frame: Baseline and immediately following completion of each intervention condition during the study visit.

    Plantar sensation will be assessed with the Semmes-Weinstein monofilaments. The detection threshold will be the lightest weight monofilament (grams of force (gf)) that can be perceived by the participant. Lower values indicate better plantar sensation.

  3. Change in Pressure-Pain Threshold

    Time frame: Baseline and immediately following completion of each intervention condition during the study visit.

    Pressure-pain threshold will be assessed with an algometer. The pressure-pain threshold will be measured in kg/cm2. Higher values indicate better pressure-pain threshold.

Study contacts

Contact information is provided by the study sponsor or research team.

Jennifer Xu, PhD

CONTACT

[email protected]

8593239850

Sponsors and collaborators

Lead sponsor

Jennifer Xu

Other

Registry information

Acronym: TIRE

Important dates

Study start
2026
Primary completion
2027
Study completion
2027
First posted
Aug 14, 2026
Registry last updated
Aug 14, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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