Clinical trial Recruiting at 5 sites Interventional Ages 18 and up

Taleo Adjust prosthetic foot with adjustable heel height

Official title: Impact of a Prosthetic Foot With Adjustable Heel Height on Physical Appearance and Participation: a Randomized Crossover Trial.

Run by Otto Bock France SNC · NCT07214493 · Data updated 2026-11-12

This trial will test whether the Taleo Adjust prosthetic foot with a hydraulic ankle helps adults with above- or below-knee amputations wear different shoes or go barefoot and improve appearance and participation.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment30 (estimated)
SponsorOtto Bock France SNC
Industry-sponsored
Locations5 sites (Concarneau and 4 other locations)
StatusRecruiting
StartedOctober 8, 2025
Main results expectedJune 6, 2026
Study endsJune 6, 2026
Registry record updatedNovember 25, 2025
Trial IDNCT07214493 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults with a major lower-limb amputation who have used an ESR foot for at least three months, wish to wear different heel heights or go barefoot, and can be fitted within the Taleo Adjust technical limits (weight ≤115 kg, foot size 22–28, mounting height ≥118 mm) with a stable residual limb and socket.

Probably not a fit

Patients unlikely to benefit include high-impact athletes, those with hip disarticulation, unstable residual limbs or unsuitable sockets, people exceeding the product's weight or size limits, or anyone whose usual prosthetic foot already allows heel-height adjustment.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

The Taleo Adjust is an energy-storing and energy-returning prosthetic foot with a hydraulic ankle that lets users change heel height from 0 to 7 cm while preserving prosthetic alignment. Adult participants with above- or below-knee amputations who have used an ESR (energy storage and return) foot for at least three months will try the Taleo Adjust in place of their usual foot. The study measures effects on perceived physical appearance and participation with in-person fittings and follow-up at participating centers. Key exclusions include hip disarticulation, high-impact users, unstable residual limb or unsuitable socket, weight over 115 kg, incompatible foot sizes or mounting height, and patients whose current foot already has heel-height adjustment.

Why it matters

Potential benefit: If successful, the adjustable-heel foot could let users wear a wider range of shoe types or go barefoot without compromising alignment or walking quality, improving appearance and participation.

How similar studies have gone: Some prosthetic ankle and adjustable-geometry devices have shown promise for comfort and gait, but adjustable-heel-height energy-return feet like the Taleo Adjust are relatively new and have limited published controlled data on appearance and participation.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria :

* Adult patient with a major lower limb amputation whose life project includes:
* movement in buildings other than the home (ICF d4601),
* movement outside the home and other buildings (ICF d4602),
* and other specified activities related to movement in other various places (ICF d4608).
* Patient who has been using an Enregy storage and Return (ESR) foot for at least 3 months
* Patient who wishes to walk with shoes with different heel heights, and/or barefoot

Exclusion Criteria:

* Patient with a high impact level (e.g.: sport)
* Patient with hip disarticulation or equivalent
* Patient with an unstabilised residual limb and/or an unsuitable socket
* Patient who cannot be fitted with a Taleo Adjust foot due to the technical characteristics of the product (user weight greater than 115kg; required foot size \<22 or \>28; mounting height less than 118 mm)
* Patient whose usual foot has a heel height adjustment system
* Patient unavailable for the duration of the study and/or unable to understand the instructions and/or answer questionnaires in French
* Patient already participating in another study
* Patient in an emergency situation or pregnant woman

Where it's running

  • CH Cornouaille
    Concarneau, France
    Recruiting
  • CHU Grenoble
    Échirolles, France
    Recruiting
  • IRR Louis Pierquin
    Nancy, France
    Recruiting
  • CRRF La Tourmaline
    Saint-Herblain, France
    Recruiting
  • Institut Merle d'Aubigné
    Valenton, France
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.