Studio dell'AFO dinamico con regolazione automatica
Offloading Ankle Foot Orthoses (AFOs) are devices designed for people following lower-limb reconstruction to restore mobility by reducing mechanical loading through the injury site and redistributing it proximally. While they perform well for some users, their current form limits full functional potential and may put joints proximal to the injury at risk of long-term damage. This study is directed toward designing and testing a lightweight, variable stiffness, dynamic brace that can adjust in response to user activity.
Panoramica dello studio
Stato
Intervento / Trattamento
Tipo di studio
Iscrizione (Stimato)
Fase
- Non applicabile
Contatti e Sedi
Contatto studio
- Nome: Katheryn Allyn, CPO, LPO
- Numero di telefono: 206-390-0228
Backup dei contatti dello studio
- Nome: Joan Sanders, PhD
- Numero di telefono: 206-221-5872
- Email: jsanders@uw.edu
Luoghi di studio
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Washington
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Seattle, Washington, Stati Uniti, 98105
- Reclutamento
- University of Washington, Dept. of Bioengineering
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Contatto:
- Joan Sanders, PhD
- Numero di telefono: 206-221-5872
- Email: jsanders@uw.edu
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-
Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria (Healthy Volunteers):
-able to run continuously for 1 minute
Inclusion Criteria (All Other Volunteers)
- prescribed an offloading Ankle-Foot Orthosis (AFO) for walking/running
- Use prescribed offloading AFO at least 20 hours per week
- Prescribed AFO strut length of at least 200 mm
- Able to run continuously for 1 minute
Exclusion Criteria (Healthy Volunteers):
- limited sensation in the lower limbs
- use an assistive device
Exclusion Criteria (All Other Volunteers):
- Unable to ambulate (walk/run) continuously with AFO for at least 1 minute
- Unable to sit, stand, or negotiate a step onto lab treadmill
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Terapia di supporto
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione incrociata
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
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Sperimentale: Aim 2
Participants will carry out a protocol comprised of treadmill walking in a laboratory setting while wearing the Dynamic AFO device. |
The Dynamic AFO is able to adjust in stiffness depending on activity. |
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Sperimentale: Aim 3
Participants will be asked to take the Dynamic AFO home and wear the device for up to 4 weeks. The device will be set in either an adjustment-capable mode, or a "locked" mode that functions similar to their own orthotic--the order in which they are tested will be randomized. |
The Dynamic AFO is able to adjust in stiffness depending on activity. |
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Time Running Per Day
Lasso di tempo: Calculated across all days of data collection (up to 4 weeks).
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Collected while participant uses device in free-living environment. |
Calculated across all days of data collection (up to 4 weeks).
|
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Longest Running Bout Duration
Lasso di tempo: Across all days of data collection (up to 4 weeks), the longest bout of continuous activity will be identified (minutes).
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Collected while participant uses device in free-living environment. |
Across all days of data collection (up to 4 weeks), the longest bout of continuous activity will be identified (minutes).
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PROMIS-Fatigue
Lasso di tempo: Following their time out in their free-living environment (up to 4 weeks at a time), participants will be asked to complete a questionnaire related to fatigue.
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Participants will be asked to fill out a questionnaire related to their experience using the variable stiffness AFO out of lab in various test configurations. Each PROMIS-Fatigue question asks participants to rank on a scale from 1 to 5 (categorical options), with higher scores indicating a greater level of fatigue. |
Following their time out in their free-living environment (up to 4 weeks at a time), participants will be asked to complete a questionnaire related to fatigue.
|
|
Pain Score
Lasso di tempo: Following their time out in their free-living environment (up to 4 weeks at a time), participants will be asked to complete a questionnaire related to pain.
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Participants will be asked to fill out a questionnaire related to their experience using the variable stiffness AFO out of lab in various test configurations. Each Pain-Score question asks participants to rank on a scale from 1 to 10 (categorical options), with higher scores indicating a greater level of pain. |
Following their time out in their free-living environment (up to 4 weeks at a time), participants will be asked to complete a questionnaire related to pain.
|
|
Orthotic Evaluation Questionnaire (OEQ)
Lasso di tempo: Following their time out in their free-living environment (up to 4 weeks at a time), participants will be asked to complete an OEQ.
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Similar to the Prosthesis Evaluation Questionnaire (PEQ), the OEQ will ask various questions concerning their experience wearing the variable stiffness AFO. Participants will rate their overall satisfaction, ability to ambulate, the health of their limb, the utility of the device, and their overall well-being after wearing the device. |
Following their time out in their free-living environment (up to 4 weeks at a time), participants will be asked to complete an OEQ.
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Running Speed on Treadmill
Lasso di tempo: In-lab testing will occur over the course of up to 2 hours at a time.
|
Participants carrying out the in-lab protocol will be asked to run using the variable stiffness AFO and running speed will be documented at various time points. |
In-lab testing will occur over the course of up to 2 hours at a time.
|
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Extended Figure-of-8 Test
Lasso di tempo: In-lab testing wil occur over the course of up to 2 hours at a time.
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Participants carrying out the in-lab protocol will be asked to do a Figure-of-8 test. |
In-lab testing wil occur over the course of up to 2 hours at a time.
|
Collaboratori e investigatori
Sponsor
Collaboratori
Investigatori
- Investigatore principale: Joan E Sanders, PhD, University of Washington
Studiare le date dei record
Studia le date principali
Inizio studio (Effettivo)
Completamento primario (Stimato)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Altri numeri di identificazione dello studio
- STUDY00009120
Informazioni su farmaci e dispositivi, documenti di studio
Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti
Studia un dispositivo regolamentato dalla FDA degli Stati Uniti
prodotto fabbricato ed esportato dagli Stati Uniti
Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .