- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05122949
User Satisfaction of Customised 3D Printed Ankle-Foot Orthosis in Comparison to Thermoformed Ankle-Foot Orthosis for Patients With Neurological Conditions: A Preliminary Study
Study Design and Subject Recruitment: This was a cross-sectional study in a single centre outpatient setting at the Foot Care and Limb Design Centre, Tan Tock Seng Hospital. As this was a proof-of-concept clinical trial for the introduction of 3D printed AFOs as a patient service, only 5 subjects were recruited based on consecutive sampling.
Interventions: Thermoformed AFOs moulded over the subject's lower limb plaster model served as the control intervention. The plaster models were rectified by an orthotist with over 20 years of experience and the AFO design was determined according to the subject's clinical presentation and needs. The AFOs were manufactured from 4 - 5mm thick homopolymer polypropylene. 3D printed AFOs served as the treatment intervention. It was fabricated through 3D scanning with an Artec Eva 3D scanner (Artec 3D, Luxembourg, Luxembourg) and an adjustable Perspex glass foot plate, CAD modelling with the OrtenShape software (Proteor, Saint-Apollinaire, France), and printed using fused deposition modelling with the Fortus 450mc (Stratasys, Minnesota, United States). The 3D printed AFO is printed of Polyamide Nylon-12 material in the same thickness as the thermoformed AFO. There were no blinding procedures as both interventions were distinctly different and it is not possible to blind subjects with daily use of the AFOs.
Trial Schedule: A thermoformed and a 3D printed AFO were fitted to each subject in a single session. The QUEST survey was administered post-fitting. Subjects brought home both AFOs and were instructed to wear them during ambulation, alternating between the AFOs daily. Subjects returned for follow-up at 3 weeks and 6 weeks post-fitting for necessary adjustments and the administration of the QUEST surveys was repeated for each AFO.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Singapore, Singapore
- Tan Tock Seng Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Existing patients of the centre,
- Clinical need for an AFO due to neurological disorders.
Exclusion Criteria:
- Cognitive impairment
- Lower limb volume fluctuations
- Severe foot/ ankle varus or valgus deformities
- Lower limb contractures of over 10°
- Non-community ambulators
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Adults with neurological disorders
|
3D Printed (Fused Deposition Modelling) Ankle-Foot Orthosis with Polyamide Nylon-12 material
Thermoformed Ankle-Foot Orthosis with homopolymer polypropylene
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Quebec User Evaluation of Satisfaction with Assistive Technology (QUEST 2.0) scores
Time Frame: Baseline, 3 weeks follow-up and 6 weeks follow-up
|
QUEST 2.0 comprises of 12 items, with 8 items related to user satisfaction with assistive devices and 4 service-related items.
Responses for the QUEST items were based on a 5-level response scale, with 1 - Not satisfied at all; 2 - Not very satisfied; 3 - More or less satisfied; 4 - Quite satisfied; and 5 - Very satisfied.
|
Baseline, 3 weeks follow-up and 6 weeks follow-up
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2017/00541
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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